5310-00-922-3270 WASHER,FLAT Index 5331-00-922-3272 O-RING

National Stock Number:
5310-00-922-3271

Federal Supply Class:
5310

National Item Identification Number:
009223271

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:
S8157N410-03270210HONEYWELL INTERNATIONAL INC.
S8157N410-03272599ALLIEDSIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO
S8157N410-03299193HONEYWELL INTERNATIONAL INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.204 INCHES MINIMUM AND 0.208 INCHES MAXIMUM
OVERALL DIAMETER0.290 INCHES MINIMUM AND 0.300 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-624 FED SPEC 1ST MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 2ND MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 3RD MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 4TH MATERIAL RESPONSE AND MIL-S-7720 MIL SPEC 5TH MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 8642H OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OR STEEL OVERALL
PERIPHERAL SHAPE STYLEROUND
SPECIFICATION/STANDARD DATA70210-S8157 MANUFACTURERS STANDARD
THICKNESS0.032 INCHES NOMINAL


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