Part Number
Part Number:
NSN:
NIIN:
Item Name:
STUD , SHOULDERED AND STEPPED
Definition:
A HEADLESS FASTENER NOT EXCEEDING 12 INCHES (304.8 MM) IN LENGTH, THREADED EXTERNALLY ON BOTH ENDS, ON WHICH THE NOMINAL DIAMETER OF ONE THREADED SECTION IS GREATER THAN THE OTHER. ALL OR PART OF THE UNTHREADED SECTION IS GREATER THAN THE MAXIMUM MAJOR DIAMETER OF THE LARGEST THREADED SECTION. IT MAY BE THREAD RELIEVED. EXCLUDES ITEMS WITH TAPERED THREADS. SEE ALSO STUD, LOCKED IN.
CAGE Information
| Code | Company |
|---|---|
| 78286 | SIKORSKY AIRCRAFT CORPORATION |
Federal Supply Class
Title
STUDS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CTDT | NUT END SHANK DIAMETER | 0.432 INCHES MINIMUM AND 0.434 INCHES MAXIMUM |
| ADDV | COTTER PIN HOLE DIAMETER | 0.106 INCHES NOMINAL FIRST HOLE |
| AAJD | THREAD CLASS | 3A NUT THREAD |
| CMLP | THREAD QUANTITY PER INCH | 18 STUD THREAD |
| THSD | THREAD SERIES DESIGNATOR | UNF STUD THREAD |
| AWTQ | DISTANCE ACROSS FLATS | 0.750 INCHES NOMINAL |
| ABHP | OVERALL LENGTH | 3.781 INCHES NOMINAL |
| AASA | THREAD LENGTH | 2.000 INCHES MINIMUM STUD THREAD |
| AAJF | THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| CQFM | HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| AASA | THREAD LENGTH | 0.703 INCHES MINIMUM NUT THREAD |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758,COND C MIL SPEC SINGLE MATERIAL RESPONSE |
| AAVK | SHOULDER LENGTH | 0.375 INCHES NOMINAL |
| THSD | THREAD SERIES DESIGNATOR | UNF NUT THREAD |
| SFTT | SURFACE TREATMENT | CHROMIUM OVERALL AND CADMIUM OVERALL |
| STYL | STYLE DESIGNATOR | SHOULDERED AND STEPPED |
| AAJD | THREAD CLASS | 3A STUD THREAD |
| AAJF | THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| ADDU | DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END | 0.125 INCHES NOMINAL FIRST HOLE |
| CMLP | THREAD QUANTITY PER INCH | 20 NUT THREAD |
| ADDB | NUT END SHANK LENGTH | 0.698 INCHES MINIMUM AND 0.703 INCHES MAXIMUM |
| CQJX | NOMINAL THREAD SIZE | 0.625 INCHES STUD THREAD |
| MATT | MATERIAL | STEEL COMP 4130 |