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 |
|---|---|
| 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMS |
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AATB | WIDTH BETWEEN FLATS | 0.875 INCHES NOMINAL |
| SFTT | SURFACE TREATMENT | ZINC OVERALL |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.140 INCHES NOMINAL FIRST HOLE |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASB | FASTENER LENGTH | 1.312 INCHES NOMINAL |
| AASA | THREAD LENGTH | 0.687 INCHES MINIMUM |
| FEAT | SPECIAL FEATURES | 3/64 IN. RADIUS UNDER-CUT AT SHOULDER 1/32 IN. BY 45 DEG CHAMFER AT THD END |
| AASU | HEAD HEIGHT | 0.469 INCHES NOMINAL |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.107 INCHES NOMINAL FIRST HOLE |
| AATN | SHOULDER DIAMETER | 0.6230 INCHES MINIMUM FIRST SHOULDER AND 0.6250 INCHES MAXIMUM FIRST SHOULDER |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AAJD | THREAD CLASS | 2A |
| AASK | HEAD STYLE | HEXAGON |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-Z-325,TY 1,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-631 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| AATX | SHOULDER LENGTH | 0.625 INCHES NOMINAL FIRST SHOULDER |