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NPFC - MIL-DTL-18866

FITTINGS, HYDRAULIC TUBE, FLARED, 37 DEGREE AND FLARELESS, GENERAL SPECIFICATION FOR

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Organization: NPFC
Publication Date: 21 July 2020
Status: active
Page Count: 21
scope:

Scope.

This specification covers 37° flared and flareless steel tube fittings, 1500 and 3000 pounds per square inch (psi) maximum design pressure, -65°F to 250°F temperature range, for use in hydraulic or air systems.

intended Use:

37° flared fittings are intended for use with steel tubing in hydraulic systems. Flareless fittings are intended for use in hydraulic or air systems. Carbon steel sleeves may be used only with... View More

Document History

MIL-DTL-18866K (1)
August 15, 2023
FITTINGS, HYDRAULIC TUBE, FLARED, 37 DEGREE AND FLARELESS, GENERAL SPECIFICATION FOR
37° flared fittings are intended for use with steel tubing in hydraulic systems. Flareless fittings are intended for use in hydraulic or air systems. Carbon steel sleeves may be used only with fully...
MIL-DTL-18866
July 21, 2020
FITTINGS, HYDRAULIC TUBE, FLARED, 37 DEGREE AND FLARELESS, GENERAL SPECIFICATION FOR
37° flared fittings are intended for use with steel tubing in hydraulic systems. Flareless fittings are intended for use in hydraulic or air systems. Carbon steel sleeves may be used only with fully...
MIL-DTL-18866
March 14, 2018
FITTINGS, HYDRAULIC TUBE, FLARED, 37 DEGREE AND FLARELESS, GENERAL SPECIFICATION FOR
A description is not available for this item.
MIL-DTL-18866
March 1, 2018
FITTINGS, HYDRAULIC TUBE, FLARED, 37 DEGREE AND FLARELESS, GENERAL SPECIFICATION FOR
37° flared fittings are intended for use with steel tubing in hydraulic systems. Flareless fittings are intended for use in hydraulic or air systems. Carbon steel sleeves may be used only with fully...
MIL-DTL-18866
January 20, 2017
FITTINGS, HYDRAULIC TUBE, FLARED, 37 DEGREE AND FLARELESS, GENERAL SPECIFICATION FOR
37° flared fittings are intended for use with steel tubing in hydraulic systems. Flareless fittings are intended for use in hydraulic or air systems. Carbon steel sleeves may be used only with fully...
MIL-DTL-18866
June 7, 2016
FITTINGS, HYDRAULIC TUBE, FLARED, 37 DEGREE AND FLARELESS, GENERAL SPECIFICATION FOR
37° flared fittings are intended for use with steel tubing in hydraulic systems. Flareless fittings are intended for use in hydraulic or air systems. Carbon steel sleeves may be used only with fully...
MIL-DTL-18866
June 25, 2015
FITTINGS, HYDRAULIC TUBE, FLARED, 37 DEGREE AND FLARELESS, GENERAL SPECIFICATION FOR
37° flared fittings are intended for use with steel tubing in hydraulic systems. Flareless fittings are intended for use in hydraulic systems. Flareless fittings are intended for use in hydraulic or...
MIL-F-18866
February 25, 2013
Fitting, Hydraulic Tube, Flared, 37 Degree and Flareless, Steel (Use SAE J514)
A description is not available for this item.
MIL-F-18866
August 17, 1999
FITTINGS, HYDRAULIC TUBE, FLARED, 37 DEGREE AND FLARELESS STEEL
A description is not available for this item.
MIL-F-18866
May 6, 1987
FITTINGS, HYDRAULIC TUBE, FLARED, 37 DEGREE AND FLARELESS STEEL
37 deg flared fittings are intended for use with steel tubing in hydraulic systems. Flareless fittings are intended for use in hydraulic or air systems. Carbon steel sleeves may be used only with...
MIL-F-18866
May 6, 1987
FITTINGS, HYDRAULIC TUBE, FLARED, 37 DEGREE AND FLARELESS STEEL
A description is not available for this item.
MIL-F-18866
July 9, 1984
FITTINGS, HYDRAULIC TUBE, FLARED, 37 DEGREE AND FLARELESS STEEL
A description is not available for this item.
MIL-F-18866G
July 9, 1984
FITTINGS, HYDRAULIC TUBE, FLARED, 37 DEGREE AND FLARELESS STEEL
37° flared fittings are intended for use with steel tubing in hydraulic systems. Flareless fittings are intended for use in hydraulic or air systems. Carbon steel sleeves may be used only with fully...
MIL-F-18866
September 20, 1982
FITTINGS, HYDRAULIC TUBE, FLARED, 37 DEGREE AND FLARELESS STEEL
A description is not available for this item.
MIL-F-18866F
September 20, 1982
FITTINGS, HYDRAULIC TUBE, FLARED, 37 DEGREE AND FLARELESS STEEL
37° flared fittings are intended for use with steel tubing in hydraulic systems. Flareless fittings are intended for use in hydraulic or air systems. Carbon steel sleeves may be used only with fully...
MIL-F-18866E (1)
November 4, 1980
FITTINGS, HYDRAULIC TUBE, FLARED, 37 DEGREE AND FLARELESS STEEL
A description is not available for this item.
MIL-F-18866
May 23, 1980
FITTINGS, HYDRAULIC TUBE, FLARED, 37 DEGREE AND FLARELESS STEEL
37° flared fittings are intended for use with steel tubing in hydraulic systems. Flareless fittings are intended for use in hydraulic or air systems. Carbon steel sleeves may be used only with fully...
MIL-F-18866
May 23, 1977
FITTINGS, HYDRAULIC TUBE, FLARED, 37 DEGREE AND FLARELESS STEEL
A description is not available for this item.
MIL-F-18866D
May 23, 1977
FITTINGS, HYDRAULIC TUBE, FLARED, 37 DEGREE AND FLARELESS STEEL
Class 1 fittings are intended for use with steel tubing in hydraulic systems. Class 2 fittings are intended for use in hydraulic or air systems. Carbon steel sleeves may be used only with fully...
MIL-F-18866C (1)
July 20, 1973
FITTINGS, HYDRAULIC TUBE, FLARED, 37 DEGREE AND FLARELESS STEEL
A description is not available for this item.
MIL-F-18866C SUPP 1
December 29, 1972
FITTINGS, HYDRAULIC TUBE, FLARED, 37 DEGREE AND FLARELESS STEEL
A description is not available for this item.
MIL-F-18866C
December 29, 1972
FITTINGS, HYDRAULIC TUBE, FLARED, 37 DEGREE AND FLARELESS STEEL
This specification covers 37 degree flared, and flare-less, steel tube fittings with -65° to 250° Fahrenheit (F.) temperature range, for use in hydraulic systems.
MIL-F-18866B
November 22, 1963
FITTINGS, HYDRAULIC TUBE, FLARED, 37 DEGREE AND FLARELESS STEEL
When properly assembled (see figures 1. 2, and 3) flared tube fittings w e intended to provide a leak-proof coupling for thin wall tubing in hydraulic systems. These fittings are not for use in...
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References

This document references:
ASME B1.1 - Unified Inch Screw Threads (UN and UNR Thread Form)
Published by ASME on January 1, 2019
This Standard specifies the thread form, series, class, allowance, tolerance, and designation for unified screw threads. (In order to emphasize that unified screw threads are based on inch modules,...
This document references:
ASME B1.20.3 - Dryseal Pipe Threads (Inch)
Published by ASME on January 1, 1976
Dryseal pipe threads are based on the USA (American) pipe thread, however, they differ from the USA (American) pipe thread in that they are designed to seal pressuretight joints without the necessity...
This document references:
A182/A182M - Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service
May 1, 2023
This specification2 covers forged low alloy and stainless steel piping components for use in pressure systems. Included are flanges, fittings, valves, and similar parts to specified dimensions or to...
This document references:
A269/A269M - Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service
November 1, 2022
This specification covers grades of nominal-wall-thickness, stainless steel tubing for general corrosion-resisting and low- or high-temperature service, as designated in Table 1. The tubing sizes and...
This document references:
A276/A276M - Standard Specification for Stainless Steel Bars and Shapes
January 1, 2024
This specification covers hot-finished or cold-finished bars except bars for reforging (Note 1). It includes rounds, squares, and hexagons, and hot-rolled or extruded shapes, such as angles, tees,...
This document is referenced by:
MS 51501 - FITTINGS, HYDRAULIC, 37 DEGREE FLARED, SHORT NIPPLE TUBE, REGULAR HEX
Published by NPFC on July 21, 2020
A description is not available for this item.
This document is referenced by:
MS 51502 - FITTINGS, HYDRAULIC, 37 DEGREE FLARED, LONG NIPPLE TUBE, REGULAR HEX
Published by NPFC on July 21, 2020
A description is not available for this item.
This document is referenced by:
MS 51500 - FITTINGS, HYDRAULIC TUBE, FLARED 37 DEGREE AND FLARELESS, ADAPTER, STRAIGHT, MALE PIPE END TO TUBE
Published by NPFC on July 21, 2020
A description is not available for this item.
This document is referenced by:
MS 51503 - FITTINGS, HYDRAULIC, 37 DEGREE FLARED, STRAIGHT ADAPTER, FEMALE PIPE END TO TUBE
Published by NPFC on July 21, 2020
A description is not available for this item.
This document is referenced by:
MS 51504 - FITTINGS, HYDRAULIC, 37 DEGREE FLARED, 90 DEGREE ELBOW, MALE PIPE END TO TUBE
Published by NPFC on July 21, 2020
A description is not available for this item.
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