Part Number
Part Number:
NSN:
NIIN:
Item Name:
BOLT , EXTERNALLY RELIEVED BODY
Definition:
AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, AND WHOSE UNTHREADED PORTION HAS BEEN MACHINED OR GROUND IN ONE OR MORE PLACES OR OVER ITS ENTIRE LENGTH TO A MAXIMUM DIAMETER LESS THAN THE MINIMUM PITCH DIAMETER OF THE THREAD (EXCLUDES UNDERCUTS FOR THREAD RELIEF). IT IS NO. 10 (0.190 IN.) (5 MM) OR LARGER IN SIZE AND HAS A HEAD WHICH IS NOT DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVER OR DESIGNED FOR ROTATION BY THE THUMB AND FINGERS. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. EXCLUDES BOLT, INTERNAL WRENCHING AND THUMBSCREW. SEE ALSO SCREW, EXTERNALLY RELIEVED BODY.
CAGE Information
| Code | Company |
|---|---|
| S7549 | AEROSPACE INDUSTRIAL DEVELOPMENT COR |
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AAWC | FIRST DIAMETER FROM HEAD | 0.312 INCHES MINIMUM AND 0.313 INCHES MAXIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| AGAV | END ITEM IDENTIFICATION | PACER DAWN |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS 672 NATIONAL SPEC SINGLE TREATMENT RESPONSE THREADS |
| AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 2.690 INCHES MINIMUM AND 2.700 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 3A |
| SFTT | SURFACE TREATMENT | CADMIUM HEAD |
| CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| AASA | THREAD LENGTH | 0.276 INCHES MINIMUM AND 0.296 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.2500 INCHES |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| SFTT | SURFACE TREATMENT | CADMIUM THREADS |
| FEAT | SPECIAL FEATURES | DRY FILM LUBE ON GRIP AREA ONLY |
| AASK | HEAD STYLE | HEXAGON |
| AASU | HEAD HEIGHT | 0.131 INCHES MINIMUM AND 0.141 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 46.0 ROCKWELL C MINIMUM OVERALL AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| MATT | MATERIAL | STEEL COMP H11 OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS 672 NATIONAL SPEC SINGLE TREATMENT RESPONSE HEAD |
| AASB | FASTENER LENGTH | 3.050 INCHES NOMINAL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6487 (H-11) ASSN STD SINGLE MATERIAL RESPONSE OVERALL |