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 |
|---|---|
| 92215 | ALCOA GLOBAL FASTENERS INC. DBA ALCO |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AATB | WIDTH BETWEEN FLATS | 0.867 INCHES MINIMUM AND 0.873 INCHES MAXIMUM |
| AASA | THREAD LENGTH | 0.265 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 3.710 INCHES NOMINAL |
| AATX | SHOULDER LENGTH | 1.130 INCHES NOMINAL FIRST SHOULDER |
| CWYB | SHOULDER SHAPE | ROUND ALL SHOULDERS |
| FEAT | SPECIAL FEATURES | THIRD SHOULDER DIA 0.747 IN. MIN AND 0.748 IN. MAX LG 1.124 IN. |
| MATT | MATERIAL | STEEL COMP 4340 OVERALL |
| CQBC | MINIMUM TENSILE STRENGTH | 260000 POUNDS PER SQUARE INCH |
| AAJD | THREAD CLASS | 3A |
| AASU | HEAD HEIGHT | 0.432 INCHES MINIMUM AND 0.437 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
| AATX | SHOULDER LENGTH | 1.080 INCHES NOMINAL SECOND SHOULDER |
| AASL | HEAD DIAMETER | 1.120 INCHES NOMINAL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AATN | SHOULDER DIAMETER | 0.747 INCHES MINIMUM FIRST SHOULDER AND 0.748 INCHES MAXIMUM FIRST SHOULDER |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| SFTT | SURFACE TREATMENT | CHROMIUM OVERALL |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES NOMINAL FIRST HOLE |
| AASK | HEAD STYLE | ROUND W/WRENCH FLATS CHAMFERED |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| AATN | SHOULDER DIAMETER | 0.735 INCHES MINIMUM SECOND SHOULDER AND 0.738 INCHES MAXIMUM SECOND SHOULDER |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.615 INCHES NOMINAL FIRST HOLE |