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 |
|---|---|
| 05257 | GENERAL DYNAMICS CANADA LTD |
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AHYM | NOMINAL THREAD DIAMETER | 0.086 INCHES |
| AASL | HEAD DIAMETER | 0.140 INCHES NOMINAL |
| ABQZ | INTERNAL DRIVE STYLE | SIX SPLINE |
| AASK | HEAD STYLE | KNURLED NO. 4 |
| AAUH | SPLINE MINOR DIAMETER | 0.064 INCHES NOMINAL |
| AAJD | THREAD CLASS | 3A |
| AASB | FASTENER LENGTH | 0.250 INCHES NOMINAL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| MATT | MATERIAL | STEEL OVERALL |
| AASU | HEAD HEIGHT | 0.086 INCHES NOMINAL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| CMLP | THREAD QUANTITY PER INCH | 56 |
| CBBL | FEATURES PROVIDED | CASEHARDENED |
| CQFM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| AAUJ | SPLINE MAJOR DIAMETER | 0.074 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | 30.0 DEG CHAMFER ATTOP |
| AAUK | SPLINE WIDTH | 0.016 INCHES NOMINAL |
| AASA | THREAD LENGTH | 0.250 INCHES NOMINAL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |