5310-12-161-5743 WASHER,FLAT Index 5330-12-161-5783 GASKET

National Stock Number:
5310-12-161-5778

Federal Supply Class:
5310

National Item Identification Number:
121615778

Description:
WASHER,FLAT

Detail:
A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use SHIM. For items fabricated from ceramic or electrically rated materials by specification or industry standards use INSULATOR (1), WASHER. Excludes DISK, VALVE, graphite impregnated and lubricated items.


Manufacturer Information:
100332-10200-44C2311BUNDESAMT FUER AUSRUESTUNG, INFORMATIONSTECHNIK UND NUTZUNG DER BUNDESWEHR (BAAINBW) - BENUTZUNGSRECHTE AN TECHNISCHEN U
100332-10200-44D2396RHEINMETALL WAFFE MUNITION GMBH
100332-10200.44D2396RHEINMETALL WAFFE MUNITION GMBH
338249D2418FLENDER, A. FRIEDRICH AG
338249D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
DIN988-S28X40D8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
S28X40DIN988D8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
SS28X40X2D8090SEEGER-ORBIS GMBH & CO. OHG


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING44,0 ROCKWELL C MINIMUM AND 49,0 ROCKWELL C MAXIMUM
HOLE DIAMETER28,065 MILLIMETERS MINIMUM AND 28,275 MILLIMETERS MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONDIN17222 ASSN STD SINGLE MATERIAL RESPONSE
MATERIALSTEEL
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER39,67 MILLIMETERS MINIMUM AND 39,92 MILLIMETERS MAXIMUM
TEST DATA DOCUMENTD8286-DIN988/MAR90/ STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
THICKNESS1,95 MILLIMETERS MINIMUM AND 2,00 MILLIMETERS MAXIMUM


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