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 |
|---|---|
| 19200 | U S ARMY ARMAMENT RESEARCH & DEVELOP |
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 | COPPER OVERALL AND OXIDE FILM OVERALL |
| ABKY | EXTERNAL PREBENT KEY LENGTH | 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 1020 OVERALL |
| FEAT | SPECIAL FEATURES | CENTER HOLE HAS TWO FLATS PARALLEL TO AND OPPOSITE EACH OTHER WITH THE CENTER OF EACH LOCATED 90 DEGREES FROM CENTER OF KEY |
| ABLF | EXTERNAL PREBENT KEY WIDTH | 0.172 INCHES MINIMUM AND 0.203 INCHES MAXIMUM |
| STYL | STYLE DESIGNATOR | KEY |
| ABKV | OUTSIDE DIAMETER | 0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | 1.040 INCHES NOMINAL |
| ABPX | MATERIAL THICKNESS | 0.078 INCHES MINIMUM AND 0.109 INCHES MAXIMUM |
| HUES | COLOR | BLACK OVERALL |
| AAUB | HOLE DIAMETER | 0.688 INCHES MINIMUM AND 0.698 INCHES MAXIMUM |
| ABLS | DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.509 INCHES NOMINAL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |