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 |
|---|---|
| 94259 | WESTINGHOUSE ELECTRIC CORP BETTIS AT |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ASDB | WIDTH ACROSS FLATS | 0.109 INCHES NOMINAL |
| MATT | MATERIAL | STEEL COMP 303SE OVERALL OR STEEL COMP 303CU OVERALL OR STEEL COMP 303 PLUS X OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 302 OVERALL OR STEEL COMP 303 OVERALL OR STEEL COMP 303PB OVERALL OR STEEL COMP 302B OVERALL OR STEEL COMP 303MA OVERALL OR STEEL COMP 304L OVERALL |
| AASL | HEAD DIAMETER | 0.218 INCHES MINIMUM AND 0.226 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.220 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| CRTL | CRITICALITY CODE JUSTIFICATION | ZZZY |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS AND CERTIFIED FREE FROM MERCURY CONTAMINATION |
| TEST | TEST DATA DOCUMENT | 81349-MIL-P-23199 SPECIFICATION |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASU | HEAD HEIGHT | 0.134 INCHES MINIMUM AND 0.138 INCHES MAXIMUM |
| AASA | THREAD LENGTH | 0.158 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| SPCL | SPECIAL TEST FEATURES | SPECIAL QUALITY CONTROL TESTING |
| SFTT | SURFACE TREATMENT | CHROMIUM OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| ASXK | HOLE QUANTITY | 4 |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-C-320,CL 2B FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AAUB | HOLE DIAMETER | 0.046 INCHES NOMINAL |
| BQDM | HOLE TYPE | DRILLED |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CRHC | HOLE CONFIGURATION STYLE | ROUND INTERNAL HEXAGON |
| AHYM | NOMINAL THREAD DIAMETER | 0.138 INCHES |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD ALL MATERIAL RESPONSES OVERALL |