5310-01-572-8738, WASHER,FLAT

National Stock Number:
5310-01-572-8738

Federal Supply Class:
5310

National Item Identification Number:
015728738

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:

4284879	076M6	AMZ ALABAMA INC.
4284879	80212	BAE SYSTEMS LAND & ARMAMENTS L.P.

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
HARDNESS RATING	20.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM
HOLE DIAMETER	1.255 INCHES MINIMUM AND 1.270 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A322 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR ASTM A108 ASSN STD 2ND MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 4130 OVERALL OR STEEL COMP 8630 OVERALL
PERIPHERAL SHAPE STYLE	ROUND
PROPRIETARY CHARACTERISTICS	PACS
OVERALL DIAMETER	2.000 INCHES NOMINAL
SPECIAL FEATURES	ZINC COATING TO BE A MINIMUM OF 0.3 MILS THICK
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM B633, TYPE 2. SC2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	ZINC OVERALL
THICKNESS	0.129 INCHES MINIMUM AND 0.139 INCHES MAXIMUM

Click here to Register for Free 30-day Trial