5310-01-229-8986, WASHER,FLAT

4540-01-229-8985 HEATING ELEMENT,ELECTRICAL,NONIMMERSION TYPE

National Stock Number:
5310-01-229-8986

Federal Supply Class:
5310

National Item Identification Number:
012298986

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:

12313561	19207	U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
12313561	T0720	FNSS SAVUNMA SISTEMLERI ANONIM SIRKETI

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
HOLE DIAMETER	0.380 INCHES MINIMUM AND 0.406 INCHES MAXIMUM
OVERALL DIAMETER	1.500 INCHES MINIMUM AND 1.620 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A576 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A576 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A576 ASSN STD 3RD MATERIAL RESPONSE OR ASTM A576 ASSN STD 4TH MATERIAL RESPONSE OR ASTM A576 ASSN STD 5TH MATERIAL RESPONSE OR ASTM A576 ASSN STD 6TH MATERIAL RESPONSE OR ASTM A576 ASSN STD 7TH MATERIAL RESPONSE OR ASTM A576 ASSN STD 8TH MATERIAL RESPONSE OR ASTM A576 ASSN STD 9TH MATERIAL RESPONSE OR ASTM A576 ASSN STD 10TH MATERIAL RESPONSE OR ASTM A575 ASSN STD 11TH MATERIAL RESPONSE OR ASTM A575 ASSN STD 12TH MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1012 OR STEEL COMP 1015 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1023 OR STEEL COMP 1025 OR STEEL COMP M1020 OR STEEL COMP M1025 OVERALL
PERIPHERAL SHAPE STYLE	ROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THICKNESS	0.172 INCHES MINIMUM AND 0.203 INCHES MAXIMUM

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