Part Number
Part Number:
NSN:
NIIN:
Item Name:
NUT , SELF-LOCKING , SINGLE BALL SEA
Definition:
A NUT HAVING ONE CONVEX, SPHERICAL BEARING SURFACE AND 6 FLAT SIDES. ITEMS MAY HAVE A REMOVABLE COLLAR. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER. SEE ALSO NUT (1), SELF-LOCKING, CONE SEAT, HEXAGON.
CAGE Information
| Code | Company |
|---|---|
| 27238 | BRISTOL INDUSTRIES |
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 |
|---|---|---|
| CMLP | THREAD QUANTITY PER INCH | 24 |
| MATT | MATERIAL | STEEL COMP 630 WASHER |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5686 ASSN STD 1ST MATERIAL RESPONSE NUT OR AMS 5697 ASSN STD 2ND MATERIAL RESPONSE NUT OR AMS 5639 ASSN STD 2ND MATERIAL RESPONSE NUT |
| AGAV | END ITEM IDENTIFICATION | B-1B AIRCRAFT |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE WASHER |
| ACTA | NUT STYLE | ERR-090 |
| ADEM | WASHER THICKNESS | 0.135 INCHES MINIMUM AND 0.145 INCHES MAXIMUM |
| ASDB | WIDTH ACROSS FLATS | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM |
| FEAT | SPECIAL FEATURES | WITH MATCHING WASHER |
| ABKW | OVERALL HEIGHT | 0.430 INCHES NOMINAL |
| CQFM | HARDNESS RATING | NOT RATED |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CQJX | NOMINAL THREAD SIZE | 0.3125 INCHES |
| AAJD | THREAD CLASS | 3B |
| AZKQ | TEMP RATING | NOT RATED |
| ABAJ | LUBRICATION | DRY FILM LUBRICANT |
| ACTC | BALL SEAT RADIUS | 0.313 INCHES NOMINAL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MATT | MATERIAL | STEEL COMP 305 NUT OR STEEL COMP 304 NUT |
| AAVX | WASHER OUTSIDE DIAMETER | 0.580 INCHES MINIMUM AND 0.590 INCHES MAXIMUM |
| BZRR | THREAD SERIES | UNJF |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |