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 |
|---|---|
| 80204 | AMERICAN NATIONAL STANDARDS INSTITUT |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASL | HEAD DIAMETER | 0.791 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | SIX SPLINE |
| AAUK | SPLINE WIDTH | 0.089 INCHES MINIMUM AND 0.092 INCHES MAXIMUM |
| CQBC | MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |
| AAJD | THREAD CLASS | 3A |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | V TYPE |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 1.846 INCHES MINIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| CQHQ | MINIMUM YIELD STRENGTH | 40000 POUNDS PER SQUARE INCH |
| AAUJ | SPLINE MAJOR DIAMETER | 0.377 INCHES MINIMUM AND 0.380 INCHES MAXIMUM |
| AAUH | SPLINE MINOR DIAMETER | 0.316 INCHES MINIMUM AND 0.319 INCHES MAXIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| MATT | MATERIAL | NICKEL ALLOY K-500 OVERALL |
| AASB | FASTENER LENGTH | 2.000 INCHES NOMINAL |
| CRSQ | COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 13 |