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 |
|---|---|---|
| MATT | MATERIAL | STEEL COMP 310S OVERALL OR STEEL COMP 316 OVERALL OR STEEL COMP 347 OVERALL OR STEEL COMP 348 OVERALL OR STEEL COMP 384 OVERALL OR STEEL COMP 304L OVERALL OR STEEL COMP 305 OVERALL OR STEEL COMP 308 OVERALL OR STEEL COMP 385 OVERALL OR STEEL COMP 303 PLUS X OVERALL OR STEEL COMP 301 OVERALL OR STEEL COMP 302 OVERALL OR STEEL COMP 303 OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 309S OVERALL OR STEEL COMP 317 OVERALL OR STEEL COMP 314 OVERALL OR STEEL COMP 310 OVERALL OR STEEL COMP 303CU OVERALL OR STEEL COMP 321 OVERALL OR STEEL COMP 303SE OVERALL OR STEEL COMP 309 OVERALL OR STEEL COMP 316L OVERALL OR STEEL COMP 302B OVERALL OR STEEL COMP 303MA OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| AAUM | LOCKING FEATURE | PATCH THREADS |
| AASU | HEAD HEIGHT | 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM |
| AASL | HEAD DIAMETER | 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
| CQBC | MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |
| ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| AASB | FASTENER LENGTH | 0.157 INCHES MINIMUM AND 0.188 INCHES MAXIMUM |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.095 INCHES MINIMUM AND 0.188 INCHES MAXIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| AHYM | NOMINAL THREAD DIAMETER | 0.138 INCHES |
| AASK | HEAD STYLE | PAN |