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 |
|---|---|
| 31442 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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 |
|---|---|---|
| AGAV | END ITEM IDENTIFICATION | ASDS |
| MATT | MATERIAL | TITANIUM ALLOY UNS R56401 OVERALL |
| SFTT | SURFACE TREATMENT | ANODIZE OVERALL |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| ABMX | CENTER HOLE SHAPE STYLE | ROUND |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-T-9046, COMP CP-3 OR AB-2 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-T-9047, COMP 6A1-4V, CONDITION A MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| ADAV | OVERALL DIAMETER | 1.368 INCHES MINIMUM AND 1.405 INCHES MAXIMUM |
| ABNM | THICKNESS | 0.032 INCHES NOMINAL |
| ABMW | PERIPHERAL SHAPE STYLE | ROUND |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2488B, TYPE 2 ASSN STD 1ST TREATMENT RESPONSE OVERALL AND MIL-C-85614, ALUMIZITE Z MIL SPEC 2ND TREATMENT RESPONSE OVERALL |
| AAUB | HOLE DIAMETER | 0.805 INCHES MINIMUM AND 0.842 INCHES MAXIMUM |