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 |
|---|---|
| 56878 | SPS TECHNOLOGIES LLC DBA AEROSPACE D |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| SFTT | SURFACE TREATMENT | OXIDE OVERALL |
| ASDB | WIDTH ACROSS FLATS | 0.0781 INCHES MINIMUM AND 0.0791 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.598 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 3A |
| MATT | MATERIAL | STEEL COMP 321 OVERALL OR STEEL COMP 317 OVERALL OR STEEL COMP 314 OVERALL OR STEEL COMP 310S OVERALL OR STEEL COMP 310 OVERALL OR STEEL COMP 309S OVERALL OR STEEL COMP 348 OVERALL OR STEEL COMP 305 OVERALL OR STEEL COMP 304L OVERALL OR STEEL COMP 303SE OVERALL OR STEEL COMP 303 OVERALL OR STEEL COMP 302B OVERALL OR STEEL COMP 309 OVERALL OR STEEL COMP 347 OVERALL OR STEEL COMP 301 OVERALL OR STEEL COMP 302 OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 308 OVERALL OR STEEL COMP 316L OVERALL OR STEEL COMP 316 OVERALL OR STEEL COMP 384 OVERALL OR STEEL COMP 385 OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924 CL4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | BUTTON |
| AASA | THREAD LENGTH | 0.536 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| AASL | HEAD DIAMETER | 0.250 INCHES MINIMUM AND 0.262 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| AASU | HEAD HEIGHT | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.138 INCHES |