5310-01-159-0448, WASHER,FLAT

National Stock Number:
5310-01-159-0448

Federal Supply Class:
5310

National Item Identification Number:
011590448

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:

820-4530700-18	53711	NAVAL SEA SYSTEMS COMMAND
820-4530714-1	53711	NAVAL SEA SYSTEMS COMMAND
820-4530714-1	80064	NAVAL SHIP SYSTEMS COMMAND

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CRITICALITY CODE JUSTIFICATION	ZZZY
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
HOLE DIAMETER	0.880 INCHES MINIMUM AND 0.890 INCHES MAXIMUM
INSIDE LEFT CORNER CHAMFER ANGLE	45.0 DEGREES NOMINAL
INSIDE RIGHT CORNER CHAMFER ANGLE	45.0 DEGREES NOMINAL
OUTSIDE LEFT CORNER CHAMFER ANGLE	45.0 DEGREES NOMINAL
OUTSIDE RIGHT CORNER CHAMFER ANGLE	45.0 DEGREES NOMINAL
OVERALL DIAMETER	1.910 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-24528,COND F,TYPE 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
PERIPHERAL SHAPE STYLE	ROUND
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS	MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-P-16232,TYPE M,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PHOSPHATE OVERALL
THICKNESS	0.300 INCHES NOMINAL

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