Part Number
Definition:
A NUT, CIRCULAR IN SHAPE, WHICH MAY HAVE WRENCHING FACILITIES SUCH AS FLATS, HOLES, PROTRUSIONS, SLOTS OR SPLINES IN OR ON THE PERIPHERY OR IN THE FACE OPPOSITE THE BEARING SURFACE. FOR ITEMS HAVING A THICKNESS (OR HEIGHT) EXCEEDING TWO TIMES THE OUTSIDE DIAMETER, USE POST, ELECTRICAL-MECHANICAL EQUIPMENT. SEE ALSO NUT (1), PLAIN, KNURLED. (WHEN HEIGHT OR THICKNESS AND/OR OUTSIDE DIAMETER IS DESIGNATED AS A TOLERANCE DIMENSION, THE MAXIMUM DIMENSION WILL BE USED TO DETERMINE COMPLIANCE.)
CAGE Information
| Code | Company |
|---|---|
| 99971 | LOCKHEED MARTIN CORP NAVAL ELECTRONI |
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 |
|---|---|---|
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541,CL 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| ACTD | NUT DIAMETER | 0.188 INCHES NOMINAL |
| CQFM | HARDNESS RATING | NOT RATED |
| SFTT | SURFACE TREATMENT | CHROMATE OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CQJX | NOMINAL THREAD SIZE | 0.086 INCHES |
| AAWY | COUNTERBORE DIAMETER | 0.113 INCHES NOMINAL FIRST END |
| ADBG | NUT THICKNESS | 0.299 INCHES MINIMUM AND 0.303 INCHES MAXIMUM |
| ADFK | NUT COUNTERBORE DEPTH | 0.234 INCHES NOMINAL FIRST END |
| AZKQ | TEMP RATING | NOT RATED |
| MATT | MATERIAL | ALUMINUM ALLOY 6061 OVERALL |
| CMLP | THREAD QUANTITY PER INCH | 56 |
| ACTA | NUT STYLE | ROUND |
| BZRR | THREAD SERIES | UNC |
| AAJD | THREAD CLASS | 2B |