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 |
|---|---|
| D1839 | BUNDESAMT FUER WEHRTECHNIK UND BESCH |
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASL | HEAD DIAMETER | 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| AASA | THREAD LENGTH | 0.785 INCHES NOMINAL |
| CQHQ | MINIMUM YIELD STRENGTH | 140000 POUNDS PER SQUARE INCH |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL OR ZINC OVERALL |
| AAJD | THREAD CLASS | 3A |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 11 STYLE |
| MATT | MATERIAL | STEEL COMP 4137 OVERALL OR STEEL COMP 4340 OVERALL OR STEEL COMP 8630 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 4037 OVERALL OR STEEL COMP 2340 OVERALL OR STEEL COMP 3135 OVERALL OR STEEL OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | FLAT CHAMFER |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| ASDB | WIDTH ACROSS FLATS | 0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624 FED SPEC 7TH MATERIAL RESPONSE OVERALL OR QQ-S-624 FED SPEC 4TH MATERIAL RESPONSE OVERALL OR QQ-S-624 FED SPEC 6TH MATERIAL RESPONSE OVERALL OR QQ-S-624 FED SPEC 3RD MATERIAL RESPONSE OVERALL OR QQ-S-624 FED SPEC 2ND MATERIAL RESPONSE OVERALL OR QQ-S-624 FED SPEC 5TH MATERIAL RESPONSE OVERALL OR QQ-S-624 FED SPEC 1ST MATERIAL RESPONSE OVERALL OR QQ-S-624,FS9440 FED SPEC 8TH MATERIAL RESPONSE OVERALL |
| AASU | HEAD HEIGHT | 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.000 INCHES NOMINAL |