Part Number
Definition:
AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, NO 0 (0.060 IN.) (1.5 MM) OR LARGER. IT HAS A ROUND UNTHREADED NECK OR SHANK ALL OR PART OF WHICH IS OF GREATER DIAMETER THAN THE THREADED PORTION. THE HEAD IS DESIGNED TO BE DRIVEN WITH EITHER A WRENCH OR AN INSERTED DRIVER OR BOTH IN SIZES BELOW NO. 10 (0.190 IN.) (5 MM) NOMINAL DIAMETER. NO. 10 (0.190 IN.) (5 MM) AND LARGER SIZES MUST BE DESIGNED FOR ANY TYPE OF INSERTED DRIVER, BUT MAY ALSO PROVIDE FOR EXTERNAL WRENCHING OF THE HEAD. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. FOR ITEMS WHICH ARE BOTH SHOULDERED AND HAVE AN EXTERNALLY RELIEVED BODY, USE SCREW, EXTERNALLY RELIEVED BODY. FOR ITEMS WITH A NO. 10 (0.190 IN.) (5 MM) OR LARGER THREAD DIAMETER WITHOUT AN INSERTED DRIVER HEAD, USE BOLT, SHOULDER. EXCLUDES BOLT, INTERNAL WRENCHING AND SCREW, CAP, SOCKET HEAD.
CAGE Information
| Code | Company |
|---|---|
| 31922 | LEEDS AND NORTHRUP CO A UNIT OF GENE |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| AASB | FASTENER LENGTH | 0.593 INCHES NOMINAL |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| AASU | HEAD HEIGHT | 0.094 INCHES NOMINAL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AASK | HEAD STYLE | FLAT CHAMFER |
| MATT | MATERIAL | STEEL COMP 316 OVERALL |
| AASA | THREAD LENGTH | 0.267 INCHES MINIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| AHYM | NOMINAL THREAD DIAMETER | 0.125 INCHES |
| AATX | SHOULDER LENGTH | 0.296 INCHES NOMINAL FIRST SHOULDER |
| AASL | HEAD DIAMETER | 0.343 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | THD RELIEF 0.031 IN. LG |
| AATN | SHOULDER DIAMETER | 0.138 INCHES NOMINAL FIRST SHOULDER |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| CMLP | THREAD QUANTITY PER INCH | 40 |