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 |
|---|---|
| 75497 | LAMSON AND SESSIONS CO THE |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASB | FASTENER LENGTH | 2.250 INCHES NOMINAL |
| MATT | MATERIAL | STEEL COMP 8640 OVERALL OR STEEL COMP 1340 OVERALL |
| CQBC | MINIMUM TENSILE STRENGTH | 19000 POUNDS PER SQUARE INCH |
| AATX | SHOULDER LENGTH | 1.229 INCHES MINIMUM FIRST SHOULDER AND 1.239 INCHES MAXIMUM FIRST SHOULDER |
| AAJD | THREAD CLASS | 3A |
| AASU | HEAD HEIGHT | 0.375 INCHES NOMINAL |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| AATB | WIDTH BETWEEN FLATS | 0.750 INCHES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.513 INCHES MINIMUM FIRST SHOULDER AND 0.520 INCHES MAXIMUM FIRST SHOULDER |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AASA | THREAD LENGTH | 0.500 INCHES MINIMUM |
| AASK | HEAD STYLE | HEXAGON |
| CQFM | HARDNESS RATING | 321.0 BRINELL HULTGREN MINIMUM OVERALL AND 387.0 BRINELL HULTGREN MAXIMUM OVERALL |
| AHYM | NOMINAL THREAD DIAMETER | 0.438 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD ALL MATERIAL RESPONSES OVERALL |