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 |
|---|---|
| 53711 | NAVAL SEA SYSTEMS COMMAND |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| MATT | MATERIAL | STEEL COMP 304 FASTENER |
| THSD | THREAD SERIES DESIGNATOR | UNRC |
| CQBC | MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | PLASTIC POLYAMIDE LOCKING FEATURE |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| AAJD | THREAD CLASS | 3A |
| CQFM | HARDNESS RATING | 80.0 ROCKWELL B MINIMUM FASTENER |
| AASA | THREAD LENGTH | 0.316 INCHES MINIMUM AND 0.608 INCHES MAXIMUM |
| AAUM | LOCKING FEATURE | PATCH THREADS OR PELLET THREADS OR STRIP THREADS |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| ASDB | WIDTH ACROSS FLATS | 0.188 INCHES MINIMUM |
| AASL | HEAD DIAMETER | 0.600 INCHES MINIMUM AND 0.656 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.625 INCHES NOMINAL |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| CQHQ | MINIMUM YIELD STRENGTH | 70000 POUNDS PER SQUARE INCH |
| CRSQ | COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A493 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |