Part Number
Part Number:
NSN:
NIIN:
Item Name:
NUT , SELF-LOCKING , BARREL
Definition:
A NUT OF CYLINDRICAL OR PARTLY CYLINDRICAL CROSS-SECTION WITH INTEGRAL THREADS PERPENDICULAR TO THE AXIAL CENTERLINE. ENDS MAY BE FLAT OR FLANGED. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER. EXCLUDES NUT (1), SELF-LOCKING, ROUND.
CAGE Information
| Code | Company |
|---|---|
| 80205 | NATIONAL AEROSPACE STANDARDS COMMITT |
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 |
|---|---|---|
| ADFK | NUT COUNTERBORE DEPTH | 0.120 INCHES MINIMUM NUT AND 0.130 INCHES MAXIMUM NUT |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES |
| ZZZK | SPECIFICATION/STANDARD DATA | 80205-NAS577 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| AZKQ | TEMP RATING | 450.0 DEG FAHRENHEIT NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ACTA | NUT STYLE | FLOATING SELF-LOCKING BARREL |
| AAJD | THREAD CLASS | 3B |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MATT | MATERIAL | STEEL OVERALL |
| ABAJ | LUBRICATION | DRY FILM LUBRICANT |
| ACVN | NUT LENGTH | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM |
| ADEA | NUT HEIGHT | 0.406 INCHES MINIMUM |
| ADBA | BARREL HEIGHT | 0.310 INCHES MINIMUM AND 0.320 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM |
| BZRR | THREAD SERIES | UNJF |
| CBBL | FEATURES PROVIDED | FLOATING NUT |
| AAWY | COUNTERBORE DIAMETER | 0.271 INCHES MINIMUM NUT AND 0.281 INCHES MAXIMUM NUT |
| ACTD | NUT DIAMETER | 0.525 INCHES MINIMUM AND 0.528 INCHES MAXIMUM |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |