Part Number
Definition:
A WASHER OF NONRESILIENT MATERIAL USUALLY HAVING TWO PARALLEL BEARING SURFACES. THE OUTSIDE AND/OR INSIDE EDGES HAVE ONE OR MORE PROTUBERANCES. THE ENDS AND/OR EDGES MAY BE PREBENT AT ANY ANGLE OR THE PROTUBERANCES MAY BE PREBENT AT ANY ANGLE TO THE BEARING SURFACES. THE KEYS OR LUGS MAY BE FITTED INTO KEYWAYS IN ADJACENT MATERIAL OR THEY MAY BE BENT OVER AFTER APPLICATION TO HOLD OR LOCK ONE OR MORE ITEMS IN PLACE. EXCLUDES THRUST TYPE WASHER.
CAGE Information
| Code | Company |
|---|---|
| 02978 | L-3 COMMUNICATIONS CORPORATION DBA C |
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 |
|---|---|---|
| SFTT | SURFACE TREATMENT | OXIDE FILM OVERALL OR PHOSPHATE OVERALL |
| SFTT | SURFACE TREATMENT | OXIDE FILM OVERALL OR PHOSPHATE OVERALL |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | 0.632 INCHES NOMINAL |
| MATT | MATERIAL | STEEL COMP 1019 OVERALL OR STEEL COMP 1015 OVERALL OR STEEL COMP 1013 OVERALL OR STEEL COMP 1016 OVERALL OR STEEL COMP 1018 OVERALL OR STEEL COMP 1017 OVERALL OR STEEL COMP 1012 OVERALL OR STEEL COMP 1011 OVERALL OR STEEL COMP 1010 OVERALL OR STEEL COMP 1020 OVERALL |
| AAUB | HOLE DIAMETER | 0.260 INCHES MINIMUM AND 0.280 INCHES MAXIMUM |
| ABLP | MAJOR DISTANCE FROM OUTSIDE OF WASHER TO OFF-CENTER KEY | 0.349 INCHES NOMINAL |
| CSRB | INTERNAL PREBENT KEY ANGLE | 10.0 DEGREES NOMINAL |
| FEAT | SPECIAL FEATURES | TWO KEYS AND ONE CENTRAL HOLE ON A FLAT BASE 5/8 IN LG BY 1/8 IN HT |
| STYL | STYLE DESIGNATOR | KEY |
| ABKX | EXTERNAL STRAIGHT KEY LENGTH | 0.438 INCHES NOMINAL |
| ABPX | MATERIAL THICKNESS | 0.0299 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 0.438 INCHES NOMINAL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| ABLC | EXTERNAL STRAIGHT KEY WIDTH | 0.188 INCHES NOMINAL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2485 ASSN STD 1ST TREATMENT RESPONSE OVERALL OR AMS 2481 ASSN STD 2ND TREATMENT RESPONSE OVERALL |
| ABLA | PEENING KEY LENGTH | 0.234 INCHES NOMINAL |
| ABMQ | EXTERNAL KEY QUANTITY | 3 |