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NPFC - FF-R-556

RIVET, SOLID, SMALL; RIVET, SPLIT, SMALL; RIVET TUBULAR, SMALL; FLAT WASHER (BURR); AND CAP, RIVET; GENERAL PURPOSE

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Organization: NPFC
Publication Date: 17 July 1981
Status: active
Page Count: 15
scope:

This specification covers solid, split, and tubular rivets in inch and metric sizes having shanks up to ½ inch or 10.0 millimeter in diameter, flat washers (burrs), and rivet caps for general purpose and aircraft application.

The rivets covered by this specification shall be of the following types, classes and grades as specified (see 6.2):

Type I - Belt (type) solid rivets. Class 1 - Straight shank. Grade A - Copper. Grade F - Brass. Class 2 - Tapered shank. Grade A - Copper. Grade F - Brass. Type IV - Tinners' flat-head solid rivets. Grade A - Copper. Grade B - Aluminum. Grade C - Corrosion-resisting steel. Grade D - Nickel-copper alloy (monel). Grade E - Steel. Grade F - Brass. Type VI - Pan-head solid rivets. Grade A - Copper. Grade B - Aluminum. Grade C - Corrosion-resisting steel. Grade D - Nickel-Copper alloy (monel). Grade E - Steel. Grade F - Brass. Type X - Flat countersunk-head (90°) solid rivets. Grade A - Copper. Grade B - Aluminum. Grade C - Corrosion-resisting steel. Grade E - Steel. Grade F - Brass. Type XI - Split rivets. Class 1 - Oval-head. Grade E - Steel. Grade F - Brass. Class 2 - Flat countersunk-head. Grade E - Steel. Grade F - Brass. Type XII - Tubular rivets. Class 1- Flat-head. Grade E - Steel. Grade F - Brass. Class 2 - Flat countersunk-head (90° approx.) Grade E - Steel. Grade F - Brass. Class 3 - Oval-head. Grade A - Copper. Grade B - Aluminum. Grade C - Corrosion-resisting steel. Grade D - Nickel-copper alloy (monel). Grade E - Steel. Grade F - Brass. Type XIII - Countersunk-head (150°) tubular rivets. Grade A - Copper. Grade B - Aluminum. Grade D - Nickel-copper alloy (monel). Grade E - Steel. Grade F - Brass. Type XIV - Universal head solid rivets. Grade A - Copper. Grade B - Aluminum. Grade C - Corrosion-resisting steel. Grade D - Nickel-copper alloy (monel). Grade E - Steel. Grade F - Brass. Type XV - Countersunk-head (100°) solid rivets. Grade A - Copper. Grade B - Aluminum. Grade C - Corrosion-resisting steel. Grade D - Nickel-copper alloy (monel). Grade E - Steel. Grade F - Brass. Type XVI - Oval head for safety chain. Grade F - Brass.

Rivet caps shall be of the following types and grades as specified (see 6.2).

Type I - For use with split rivets. Grade E - Steel. Grade F - Brass. Type II - For use with tubular rivets. Grade E - Steel. Grade F - Brass.

Flat washers (burrs) shall be of the following grade as specified (see 6.2).

Grade A - Copper. Grade F - Brass.

intended Use:

This specification covers various types of small rivets having shank diameters under one-half inch or 10.0 millimeters for use as fasteners for general purpose and aircraft application. Flat... View More

Document History

FF-R-556D VALID NOTICE 1
August 4, 2021
Rivet, Solid, Small; Rivet, Split, Small; Rivet, Tubular, Small Flat Washer (Burr); and Cap, Rivet, General Purpose
A description is not available for this item.
FF-R-556
August 1, 1986
RIVET, SOLID, SMALL; RIVET, SPLIT, SMALL; RIVET TUBULAR, SMALL; FLAT WASHER (BURR); AND CAP, RIVET; GENERAL PURPOSE
A description is not available for this item.
FF-R-556
July 17, 1981
RIVET, SOLID, SMALL; RIVET, SPLIT, SMALL; RIVET TUBULAR, SMALL; FLAT WASHER (BURR); AND CAP, RIVET; GENERAL PURPOSE
This specification covers solid, split, and tubular rivets in inch and metric sizes having shanks up to ½ inch or 10.0 millimeter in diameter, flat washers (burrs), and rivet caps for general purpose...
FF-R-556
November 20, 1970
RIVET, SOLID, SMALL; RIVET, SPLIT, SMALL; RIVET TUBULAR, SMALL; FLAT WASHER (BURR); AND CAP, RIVET; GENERAL PURPOSE
A description is not available for this item.
FF-R-556
February 20, 1969
RIVET, SOLID, SMALL; RIVET, SPLIT, SMALL; RIVET TUBULAR, SMALL; FLAT WASHER (BURR); AND CAP, RIVET; GENERAL PURPOSE
A description is not available for this item.
FF-R-556
June 15, 1964
RIVET, SOLID, SMALL; RIVET, SPLIT, SMALL; RIVET TUBULAR, SMALL; FLAT WASHER (BURR); AND CAP, RIVET; GENERAL PURPOSE
A description is not available for this item.
FF-R-556
May 5, 1959
RIVET, SOLID, SMALL; RIVET, SPLIT, SMALL; RIVET TUBULAR, SMALL; FLAT WASHER (BURR); AND CAP, RIVET; GENERAL PURPOSE
A description is not available for this item.
FF-R-556
February 23, 1951
RIVET, SOLID, SMALL; RIVET, SPLIT, SMALL; RIVET TUBULAR, SMALL; FLAT WASHER (BURR); AND CAP, RIVET; GENERAL PURPOSE
A description is not available for this item.
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References

This document references:
MS 51942 - RIVET, TUBULAR - FLAT HEAD
Published by NPFC on July 7, 1970
A description is not available for this item.
This document references:
MS 51945 - RIVET, SOLID COUNTERSUNK HEAD BRASS OR COPPER
Published by NPFC on July 7, 1970
A description is not available for this item.
This document references:
MS 35745 - RIVET, SOLID, BELT
Published by NPFC on April 28, 2020
A description is not available for this item.
This document references:
MS 35744 - RIVET, SOLID-SMALL COUNTERSUNK HEAD, STEEL, ANNEALED
Published by NPFC on October 22, 2007
A description is not available for this item.
This document is referenced by:
PIA PS70099 - Snap Hook, Quick Release
Published by PIA on February 19, 2016
A description is not available for this item.
This document is referenced by:
MIL-HDBK-454 - GENERAL GUIDELINES FOR ELECTRONIC EQUIPMENT
Published by NPFC on December 12, 2012
A description is not available for this item.
This document is referenced by:
MIL-STD-11991 - GENERAL STANDARD FOR PARTS, MATERIALS, AND PROCESSES
Published by NPFC on August 26, 2015
This standard establishes the requirements for parts, materials, and processes (PM&P) for use during the development, production, and sustainment of military systems. These requirements directly...
This document is referenced by:
DESC-DWG-86092 - HOLDER, ELECTRICAL CARD, CARD GUIDE- RETAINER, LEVER ACTUATED, METAL
Published by DOD on March 31, 1987
This drawing describes the requirements for a family of card holders intended for use on printed circuit boards. The complete part number shall be as shown in the following example and table I.
This document is referenced by:
PIA PS22043 - SNAP HOOK-COILED SPRING, PARACHUTE, QUICK FIT
Published by PIA on August 21, 2014
A description is not available for this item.
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