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 |
|---|---|
| 19204 | ARMY UNITED STATES DEPARTMENT OF THE |
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AATN | SHOULDER DIAMETER | 1.369 INCHES MINIMUM FIRST SHOULDER AND 1.370 INCHES MAXIMUM FIRST SHOULDER |
| AASB | FASTENER LENGTH | 2.720 INCHES MINIMUM AND 2.740 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 3A |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| AASU | HEAD HEIGHT | 0.230 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| AASA | THREAD LENGTH | 0.470 INCHES MINIMUM |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CQFM | HARDNESS RATING | 219.0 BRINELL STANDARD MINIMUM OVERALL AND 247.0 BRINELL STANDARD MAXIMUM OVERALL |
| MATT | MATERIAL | STEEL OVERALL |
| AHYM | NOMINAL THREAD DIAMETER | 1.250 INCHES |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AATX | SHOULDER LENGTH | 1.660 INCHES MINIMUM FIRST SHOULDER AND 1.680 INCHES MAXIMUM FIRST SHOULDER |
| AASK | HEAD STYLE | DISHED HEXAGON |
| SFTT | SURFACE TREATMENT | PHOSPHATE OVERALL |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| AATB | WIDTH BETWEEN FLATS | 1.980 INCHES MINIMUM AND 2.000 INCHES MAXIMUM |