5975-01-553-1229 COVER,RACEWAY Index 7025-01-553-1231 PRINTER,AUTOMATIC DATA PROCESSIN

National Stock Number:
5310-01-553-1230

Federal Supply Class:
5310

National Item Identification Number:
015531230

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:
1001895161C19MIL-COTS CORPORATION
12759-004020Y3H3FASTENAL COMPANY
330210Y3H3FASTENAL COMPANY
40025501EFH8GENERAL DYNAMICS LAND SYSTEMS - FORCE PROTECTION INC.
ESP-F-1.301-GS338X5ND DEFENSE LLC
138572338X5ND DEFENSE LLC
ESP-F-1.421-NPP338X5ND DEFENSE LLC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER1.055 INCHES MINIMUM AND 1.092 INCHES MAXIMUM
MATERIALSTEEL OVERALL
III PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER 1 IN PLAIN
PERIPHERAL SHAPE STYLEROUND
PROPRIETARY CHARACTERISTICSNPAC
OVERALL DIAMETER2.493 INCHES MINIMUM AND 2.530 INCHES MAXIMUM
SURFACE TREATMENTOIL OVERALL
THICKNESS0.136 INCHES MINIMUM AND 0.192 INCHES MAXIMUM


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