Part Number
Part Number:
NSN:
NIIN:
Item Name:
BOLT , SQUARE NECK
Definition:
A HEADED EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, WITH A SQUARE NECK DIRECTLY BENEATH THE HEAD.
CAGE Information
| Code | Company |
|---|---|
| 05047 | AMERICAN SOCIETY OF MECHANICAL ENGIN |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| SFTT | SURFACE TREATMENT | ZINC OVERALL |
| SFTT | SURFACE TREATMENT | ZINC OVERALL |
| AASA | THREAD LENGTH | 0.750 INCHES MINIMUM |
| CQFM | HARDNESS RATING | 95.0 ROCKWELL B NOMINAL OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| AASL | HEAD DIAMETER | 0.563 INCHES MINIMUM AND 0.594 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| AGQB | NECK LENGTH | 0.125 INCHES MINIMUM AND 0.156 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.125 INCHES MINIMUM AND 0.145 INCHES MAXIMUM |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | ROUND |
| MATT | MATERIAL | STEEL OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| AASB | FASTENER LENGTH | 3.500 INCHES NOMINAL |
| CWXQ | NECK WIDTH | 0.245 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| CQHQ | MINIMUM YIELD STRENGTH | 55000 POUNDS PER SQUARE INCH |