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 |
---|---|
08484 | BREEZE-EASTERN CORPORATION |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
AASB | FASTENER LENGTH | 2.719 INCHES NOMINAL |
AASB | FASTENER LENGTH | 2.719 INCHES NOMINAL |
CMLP | THREAD QUANTITY PER INCH | 24 |
MATT | MATERIAL | STEEL COMP 4130 OVERALL |
ABQZ | INTERNAL DRIVE STYLE | SLOT |
AATX | SHOULDER LENGTH | 0.459 INCHES MINIMUM FIRST SHOULDER AND 0.479 INCHES MAXIMUM FIRST SHOULDER |
AAJD | THREAD CLASS | 3A |
CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
AATN | SHOULDER DIAMETER | 0.370 INCHES MINIMUM FIRST SHOULDER AND 0.372 INCHES MAXIMUM FIRST SHOULDER |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AASK | HEAD STYLE | FLAT CHAMFER |
AASU | HEAD HEIGHT | 0.125 INCHES NOMINAL |
THSD | THREAD SERIES DESIGNATOR | UNF |
AASA | THREAD LENGTH | 0.500 INCHES MINIMUM |
AASL | HEAD DIAMETER | 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM |
CQFM | HARDNESS RATING | 25.0 ROCKWELL C MINIMUM OVERALL AND 29.0 ROCKWELL C MAXIMUM OVERALL |
SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |