Part Number
Part Number:
NSN:
NIIN:
Item Name:
BOLT , RIBBED NECK
Definition:
A HEADED EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER WITH A SERIES OF LONGITUDINAL RIBS, SPLINES OR SERRATIONS ON ALL OR PART OF THE UNTHREADED PORTION. SEE ALSO BOLT, RIBBED SHOULDER.
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 |
|---|---|---|
| CMLP | THREAD QUANTITY PER INCH | 24 |
| AAVP | RIB MAJOR DIAMETER | 0.317 INCHES MINIMUM AND 0.321 INCHES MAXIMUM |
| AASY | DISTANCE FROM CENTERLINE TO FLAT | 0.156 INCHES MINIMUM AND 0.176 INCHES MAXIMUM |
| AASL | HEAD DIAMETER | 0.625 INCHES NOMINAL |
| AASA | THREAD LENGTH | 0.900 INCHES MINIMUM |
| CQFM | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM OVERALL AND 36.0 ROCKWELL C MAXIMUM OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| MATT | MATERIAL | STEEL COMP 1335 OVERALL OR STEEL COMP 1541 OVERALL |
| AASK | HEAD STYLE | DEE |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AASU | HEAD HEIGHT | 0.188 INCHES NOMINAL |
| AAVU | RIB QUANTITY | 33 |
| AAJD | THREAD CLASS | 2A |
| AASB | FASTENER LENGTH | 1.560 INCHES MINIMUM AND 1.600 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |
| AAVQ | RIB LENGTH | 0.260 INCHES NOMINAL |