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 |
|---|---|
| 05234 | THERMO JARRELL ASH CORP BAIRD DIV |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CQHQ | MINIMUM YIELD STRENGTH | 30000 POUNDS PER SQUARE INCH |
| CQHQ | MINIMUM YIELD STRENGTH | 30000 POUNDS PER SQUARE INCH |
| SFTT | SURFACE TREATMENT | OXIDE OVERALL |
| CQBC | MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |
| AATB | WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| AASB | FASTENER LENGTH | 1.500 INCHES MAXIMUM |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES THREADS |
| AAUM | LOCKING FEATURE | PATCH THREADS OR PELLET THREADS OR STRIP THREADS |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| AASU | HEAD HEIGHT | 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924 CL 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MATT | MATERIAL | STEEL COMP 303F OVERALL OR STEEL COMP 309 OVERALL OR STEEL COMP 348 OVERALL OR STEEL COMP 303SE OVERALL OR STEEL COMP 301 OVERALL OR STEEL COMP 304L OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 308 OVERALL OR STEEL COMP 309S OVERALL OR STEEL COMP 310 OVERALL OR STEEL COMP 310S OVERALL OR STEEL COMP 314 OVERALL OR STEEL COMP 316 OVERALL OR STEEL COMP 316L OVERALL OR STEEL COMP 317 OVERALL OR STEEL COMP 321 OVERALL OR STEEL COMP 322 OVERALL OR STEEL COMP 323 OVERALL OR STEEL COMP 324 OVERALL OR STEEL COMP 347 OVERALL OR STEEL COMP 384 OVERALL OR STEEL COMP 305 OVERALL OR STEEL COMP 302 OVERALL OR STEEL COMP 302B OVERALL OR STEEL COMP 303 OVERALL OR STEEL COMP 303 PLUS X OVERALL OR STEEL COMP 385 OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| AASK | HEAD STYLE | HEXAGON |
| AASA | THREAD LENGTH | 0.938 INCHES MINIMUM |
| CMLP | THREAD QUANTITY PER INCH | 20 |