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 |
|---|---|
| 78286 | SIKORSKY AIRCRAFT CORPORATION |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AATN | SHOULDER DIAMETER | 0.5012 INCHES MINIMUM FIRST SHOULDER AND 0.5015 INCHES MAXIMUM FIRST SHOULDER |
| AATN | SHOULDER DIAMETER | 0.5012 INCHES MINIMUM FIRST SHOULDER AND 0.5015 INCHES MAXIMUM FIRST SHOULDER |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| AATX | SHOULDER LENGTH | 0.415 INCHES MINIMUM FIRST SHOULDER AND 0.419 INCHES MAXIMUM FIRST SHOULDER |
| AASU | HEAD HEIGHT | 0.060 INCHES NOMINAL |
| AATB | WIDTH BETWEEN FLATS | 0.660 INCHES NOMINAL |
| MATT | MATERIAL | STEEL COMP 4130 OVERALL |
| CWYB | SHOULDER SHAPE | ROUND ALL SHOULDERS |
| AASA | THREAD LENGTH | 0.551 INCHES MINIMUM |
| CQBC | MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |
| AAJD | THREAD CLASS | 3A |
| AATX | SHOULDER LENGTH | 0.376 INCHES MINIMUM SECOND SHOULDER AND 0.380 INCHES MAXIMUM SECOND SHOULDER |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASB | FASTENER LENGTH | 1.346 INCHES NOMINAL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| CQFM | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| AATN | SHOULDER DIAMETER | 0.3740 INCHES MINIMUM SECOND SHOULDER AND 0.3744 INCHES MAXIMUM SECOND SHOULDER |
| AASK | HEAD STYLE | ROUND W/WRENCH FLATS |
| AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |
| AASL | HEAD DIAMETER | 0.750 INCHES NOMINAL |