Part Number
Part Number:
NSN:
NIIN:
Item Name:
SCREW , CAP , SOCKET HEAD
Definition:
AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER. THE HEAD HAS AN INTERNAL SOCKET OR MULTIPLE SPLINE FOR USE WITH AN INSERTED DRIVER. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. EXCLUDES ITEMS WITH BEVEL (CONICAL) HEADS. SEE BOLT, INTERNAL WRENCHING. EXCLUDES SCREW, SHOULDER; AND SCREW, MACHINE.
CAGE Information
| Code | Company |
|---|---|
| 81349 | MILITARY SPECIFICATIONS PROMULGATED |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| THSD | THREAD SERIES DESIGNATOR | UNRC |
| AASB | FASTENER LENGTH | 4.000 INCHES MAXIMUM |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | ROUND |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DOD-P-16232 FED SPEC 1ST TREATMENT RESPONSE OVERALL |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| AAJD | THREAD CLASS | 2A |
| SFTT | SURFACE TREATMENT | PHOSPHATE OVERALL |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| MATT | MATERIAL | STEEL UNS K03104 OVERALL |
| AHYM | NOMINAL THREAD DIAMETER | 0.375 INCHES |
| FEAT | SPECIAL FEATURES | IDENTIFICATION MARK 4340 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTMA574 ASSN STD 1ST MATERIAL RESPONSE OVERALL |