Part Number
Part Number:
NSN:
NIIN:
Item Name:
BOLT , SHOULDER
Definition:
AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, NO. 10 (0.190 IN.) (5 MM) OR LARGER. IT HAS A ROUND UNTHREADED NECK OR SHANK ALL OR PART OF WHICH IS OF GREATER DIAMETER THAN THE THREADED PORTION. THE HEAD IS NOT DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVERS. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. FOR ITEMS WITH A THREAD DIAMETER SMALLER THAN NO. 10 (0.190 IN.) (5 MM) AND THOSE ITEMS WITH AN INSERTED DRIVE HEAD, USE SCREW, SHOULDER. FOR ITEMS WHICH ARE NO. 10 (0.190 IN.) (5 MM) OR LARGER IN SIZE AND ARE BOTH SHOULDERED AND HAVE AN EXTERNALLY RELIEVED BODY, USE BOLT, EXTERNALLY RELIEVED BODY. EXCLUDES THUMBSCREW.
CAGE Information
| Code | Company |
|---|---|
| 80205 | NATIONAL AEROSPACE STANDARDS COMMITT |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASU | HEAD HEIGHT | 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| AAJD | THREAD CLASS | 3A |
| MATT | MATERIAL | STEEL COMP 4140 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 8630 OVERALL OR STEEL COMP 4130 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 4037 OVERALL |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.352 INCHES MINIMUM AND 0.448 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.265 INCHES MINIMUM AND 1.305 INCHES MAXIMUM |
| CQBC | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
| AASK | HEAD STYLE | HEXAGON |
| AATN | SHOULDER DIAMETER | 0.309 INCHES MINIMUM FIRST SHOULDER AND 0.312 INCHES MAXIMUM FIRST SHOULDER |
| AATB | WIDTH BETWEEN FLATS | 0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| CQFM | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| AATX | SHOULDER LENGTH | 0.822 INCHES MINIMUM FIRST SHOULDER AND 0.842 INCHES MAXIMUM FIRST SHOULDER |