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 |
|---|---|
| 19200 | U S ARMY ARMAMENT RESEARCH & DEVELOP |
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AATN | SHOULDER DIAMETER | 0.3700 INCHES MINIMUM FIRST SHOULDER AND 0.3750 INCHES MAXIMUM FIRST SHOULDER |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| AATB | WIDTH BETWEEN FLATS | 0.552 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-634 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| AASK | HEAD STYLE | CROWNED HEXAGON |
| AASU | HEAD HEIGHT | 0.281 INCHES NOMINAL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| FEAT | SPECIAL FEATURES | WASHER FACED BEARING SURFACE ON HHEAD; THD RELIEF 0.062 IN. W |
| AAJD | THREAD CLASS | 2A |
| AASB | FASTENER LENGTH | 6.812 INCHES NOMINAL |
| AATX | SHOULDER LENGTH | 6.562 INCHES NOMINAL FIRST SHOULDER |
| SFTT | SURFACE TREATMENT | PHOSPHATE OVERALL |
| MATT | MATERIAL | STEEL COMP 1018 OVERALL OR STEEL COMP 1022 OVERALL |
| AASA | THREAD LENGTH | 0.188 INCHES MINIMUM |