Part Number
Part Number:
NSN:
NIIN:
Item Name:
BOLT , RIBBED SHOULDER
Definition:
AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER. IT HAS A SERIES OF LONGITUDINAL RIBS, SPLINES OR SERRATIONS ON ALL OR A PART OF THE SHOULDER. THE MINOR DIAMETER OF THE RIBS MUST BE GREATER THAN THE MAJOR DIAMETER OF THE THREADS. SEE ALSO BOLT, RIBBED NECK.
CAGE Information
Code | Company |
---|---|
SCY13 | E.C.A ETABLISSEMENT CENTRAL DES APPR |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
AAVR | DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.280 INCHES NOMINAL |
AAVR | DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.280 INCHES NOMINAL |
AATX | SHOULDER LENGTH | 0.940 INCHES NOMINAL FIRST SHOULDER |
AASL | HEAD DIAMETER | 1.312 INCHES NOMINAL |
AAJD | THREAD CLASS | 3A |
AAJF | THREAD DIRECTION | LEFT-HAND |
AASK | HEAD STYLE | FLAT CHAMFER |
AAVQ | RIB LENGTH | 0.560 INCHES MINIMUM AND 0.622 INCHES MAXIMUM |
AATN | SHOULDER DIAMETER | 0.971 INCHES MINIMUM FIRST SHOULDER AND 0.976 INCHES MAXIMUM FIRST SHOULDER |
AASU | HEAD HEIGHT | 0.312 INCHES NOMINAL |
MATT | MATERIAL | STEEL OVERALL |
THSD | THREAD SERIES DESIGNATOR | UNF |
AASB | FASTENER LENGTH | 2.562 INCHES NOMINAL |
AAVT | RIB MINOR DIAMETER | 0.926 INCHES MINIMUM AND 0.930 INCHES MAXIMUM |
CMLP | THREAD QUANTITY PER INCH | 16 |
AAVU | RIB QUANTITY | 36 |
AHYM | NOMINAL THREAD DIAMETER | 0.750 INCHES |
CRKB | RIB INCLUDED ANGLE | 90.0 DEGREES NOMINAL |
SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
CWYB | SHOULDER SHAPE | RIBBED FIRST SHOULDER |
AAVP | RIB MAJOR DIAMETER | 0.998 INCHES MINIMUM AND 1.008 INCHES MAXIMUM |
AASA | THREAD LENGTH | 1.187 INCHES MINIMUM |