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 |
|---|---|
| 84955 | KAMAN AEROSPACE CORPORATION DBA HELI |
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 |
|---|---|---|
| ABMR | INTERNAL KEY QUANTITY | 1 |
| ABMR | INTERNAL KEY QUANTITY | 1 |
| ABLF | EXTERNAL PREBENT KEY WIDTH | 0.205 INCHES MINIMUM AND 0.235 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 4130 OVERALL |
| ABKV | OUTSIDE DIAMETER | 2.000 INCHES MINIMUM AND 2.030 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM |
| ABLB | INTERNAL PREBENT KEY LENGTH | 0.215 INCHES MINIMUM AND 0.235 INCHES MAXIMUM |
| AAUB | HOLE DIAMETER | 1.583 INCHES MINIMUM AND 1.603 INCHES MAXIMUM |
| STYL | STYLE DESIGNATOR | KEY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | 2.469 INCHES NOMINAL |
| CQBC | MINIMUM TENSILE STRENGTH | 55 POUNDS PER SQUARE INCH |
| ABMQ | EXTERNAL KEY QUANTITY | 15 |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| ABLK | INTERNAL PREBENT KEY WIDTH | 0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| CQFM | HARDNESS RATING | 60.0 ROCKWELL B MINIMUM AND 70.0 ROCKWELL B MAXIMUM |