Part Number
Definition:
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.
CAGE Information
| Code | Company |
|---|---|
| 0Y4A4 | WALTHAM AIRCRAFT CLOCK CORP DBA PRIM |
Federal Supply Class
Title
NUTS AND WASHERS
Inclusions:
INCLUDES LOCKNUTS; EYE NUTS; PLAIN NUTS; CASTELLATED NUTS; WING NUTS; PLATE NUTS; PUSH ON NUTS; CONCAVE AND CONVEX WASHERS; FLAT WASHERS; KEYED WASHERS; LOCK WASHERS; SHOULDERED WASHERS; SPLIT WASHERS.
Exclusions:
EXCLUDES BEARING THRUST WASHERS (FSC 3120); SHIMS (FSC 5365); RING SPACERS (FSC 5365); PLATE SPACERS (FSC 5365); LOCK RINGS (FSC 5365).
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ABNM | THICKNESS | 0.012 INCHES NOMINAL |
| ABNM | THICKNESS | 0.012 INCHES NOMINAL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-6859 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| MATT | MATERIAL | COPPER ALLOY OVERALL |
| ABMX | CENTER HOLE SHAPE STYLE | ROUND |
| ADAV | OVERALL DIAMETER | 0.145 INCHES NOMINAL |
| ABMW | PERIPHERAL SHAPE STYLE | ROUND |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 22304 FSCM 79300 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| AAUB | HOLE DIAMETER | 0.060 INCHES MINIMUM AND 0.064 INCHES MAXIMUM |
| SFTT | SURFACE TREATMENT | NICKEL OVERALL |