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NPFC - WW-L-2887

TUBE, PHENOLIC, POROUS RETAINER FOR USE IN INSTRUMENT BEARINGS

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Organization: NPFC
Publication Date: 20 July 1998
Status: active
Page Count: 13
scope:

This specification covers basic characteristics required for porous laminated phenolic materials intended for use as instrument and thin section ball bearing retainers (cages), and methods of determining these characteristics.

intended Use:

Materials produced to this specification are intended for use as ball bearing retainers (cages). Temperature range is limited to 250°F (117°C) and below.

Document History

WW-L-2887
June 4, 2019
Tube, Phenolic, Porous Retainer for Use in Instrument Bearings
A description is not available for this item.
WW-L-2887
August 6, 2014
Tube, Phenolic, Porous Retainer for Use in Instrument Bearings
A description is not available for this item.
WW-L-2887
February 1, 2008
Tube, Phenolic, Porous Retainer for Use in Instrument Bearings
A description is not available for this item.
WW-L-2887
April 28, 2003
TUBE, PHENOLIC, POROUS RETAINER FOR USE IN INSTRUMENT BEARINGS
A description is not available for this item.
WW-L-2887
July 12, 2001
TUBE, PHENOLIC, POROUS RETAINER FOR USE IN INSTRUMENT BEARINGS
A description is not available for this item.
WW-L-2887
July 20, 1998
TUBE, PHENOLIC, POROUS RETAINER FOR USE IN INSTRUMENT BEARINGS
This specification covers basic characteristics required for porous laminated phenolic materials intended for use as instrument and thin section ball bearing retainers (cages), and methods of...
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References

This document references:
MIL-STD-129R CHANGE 3 - MILITARY MARKING FOR SHIPMENT AND STORAGE
Published by ARMY on February 25, 2023
Purpose. This standard provides the minimum requirements for uniform military marking for shipment and storage. Additional marking may be required by the contract or the cognizant activity....
This document references:
E11 - Standard Specification for Woven Wire Test Sieve Cloth and Test Sieves
February 1, 2022
This document specifies the technical requirements for; the woven wire test sieve cloth (sieve cloth) used in test sieves, the construction of test sieves, standard and non-standard test sieve frame...
This document references:
ASTM D792 - Standard Test Methods for Density and Specific Gravity (Relative Density) of Plastics by Displacement
Published by ASTM on July 1, 2020
These test methods describe the determination of the specific gravity (relative density) and density of solid plastics in forms such as sheets, rods, tubes, or molded items. Two test methods are...
This document references:
D695 - Standard Test Method for Compressive Properties of Rigid Plastics
August 1, 2023
This test method covers the determination of the mechanical properties of unreinforced and reinforced rigid plastics, including high-modulus composites, when loaded in compression at relatively low...
This document references:
ASTM D618 - Standard Practice for Conditioning Plastics for Testing
Published by ASTM on June 1, 2013
In general, the physical and electrical properties of plastics are influenced by temperature and relative humidity in a manner that materially affects test results. In order to make reliable...
This document references:
ASQ Z1.4 - SAMPLING PROCEDURES AND TABLES FOR INSPECTION BY ATTRIBUTES
Published by ASQ on January 1, 2003
PURPOSE. This publication establishes sampling plans and procedures for inspection by attributes. When specified by the responsible authority, this publication shall be referenced in the...
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