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 |
|---|---|
| 97499 | BELL HELICOPTER TEXTRON INC. |
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 |
|---|---|---|
| FEAT | SPECIAL FEATURES | HOLES DRILLED THRU DRIVE POINTS |
| CQJX | NOMINAL THREAD SIZE | 4.000 INCHES |
| ACTD | NUT DIAMETER | 4.775 INCHES MINIMUM AND 4.795 INCHES MAXIMUM |
| AGGP | DRILLED HOLE DIAMETER | 0.065 INCHES MINIMUM AND 0.072 INCHES MAXIMUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | BPS FW 4007,FSCM 97499 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| CQFM | HARDNESS RATING | NOT RATED |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CRHC | HOLE CONFIGURATION STYLE | CONFIGURATION J |
| AFGF | DRIVE POINT DIAMETER | 0.390 INCHES MINIMUM AND 0.410 INCHES MAXIMUM |
| ABQU | DRIVE POINT DEPTH | 0.020 INCHES NOMINAL |
| AAJD | THREAD CLASS | 3B |
| AZKQ | TEMP RATING | NOT RATED |
| ADBG | NUT THICKNESS | 0.885 INCHES NOMINAL |
| MATT | MATERIAL | STEEL OVERALL |
| ADBM | DRIVE POINT QUANTITY | 9 |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| BZRR | THREAD SERIES | UN |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CLASS 6,TYPE A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| ALET | HOLE TYPE AND QUANTITY | 9 DRILLED |
| ACTA | NUT STYLE | ROUND |
| CRSQ | COUNTERSINK ANGLE | 45.0 DEGREES NOMINAL NUT |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |