5310-01-557-0725 NUT,SELF-LOCKING,HEXAGON Index 5310-01-557-0750 WASHER,FLAT

National Stock Number:
5310-01-557-0742

Federal Supply Class:
5310

National Item Identification Number:
015570742

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:
1001905361C19MIL-COTS CORPORATION
12759-006550Y3H3FASTENAL COMPANY
30116771EFH8GENERAL DYNAMICS LAND SYSTEMS - FORCE PROTECTION INC.
338590Y3H3FASTENAL COMPANY
8HE94545152OSHKOSH CORP
8HE94575Q65OSHKOSH DEFENSE LLC
S0000231EFH8GENERAL DYNAMICS LAND SYSTEMS - FORCE PROTECTION INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.438 INCHES NOMINAL
MATERIALSTEEL OVERALL
PERIPHERAL SHAPE STYLEROUND
PROPRIETARY CHARACTERISTICSPACS
OVERALL DIAMETER1.000 INCHES NOMINAL
SPECIAL FEATURES3/8"USS YLW ZINC PLATED THRU HARD HIGH STRENGTH FLAT WASHER
THICKNESS0.083 INCHES NOMINAL


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