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 |
|---|---|
| 0AHP5 | CURTISS-WRIGHT CONTROLS INC DIV FLIG |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASL | HEAD DIAMETER | 0.880 INCHES NOMINAL |
| AASL | HEAD DIAMETER | 0.880 INCHES NOMINAL |
| AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.730 INCHES MINIMUM AND 0.740 INCHES MAXIMUM |
| AAWD | SECOND DIAMETER FROM HEAD | 0.360 INCHES NOMINAL |
| AASA | THREAD LENGTH | 0.560 INCHES MINIMUM AND 0.580 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 3A |
| TEST | TEST DATA DOCUMENT | 81343-AMS 2640 SPECIFICATION |
| FEAT | SPECIAL FEATURES | OUTER EDGE OF ONE WRENCH FLAT CHAMFERED 45 DEG TO A DEPTH OF 0.340 IN. MIN,0.360 IN. MAX |
| CRTL | CRITICALITY CODE JUSTIFICATION | AAWC |
| AASB | FASTENER LENGTH | 1.640 INCHES MINIMUM AND 1.650 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM OVERALL AND 36.0 ROCKWELL C MAXIMUM OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 |
| MATT | MATERIAL | STEEL COMP 8740 OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| AAWJ | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 1.100 INCHES MINIMUM AND 1.110 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.438 INCHES |
| AAWC | FIRST DIAMETER FROM HEAD | 0.5145 INCHES MINIMUM AND 0.5200 INCHES MAXIMUM |
| AASK | HEAD STYLE | ROUND W/WRENCH FLATS CHAMFERED |
| AATB | WIDTH BETWEEN FLATS | 0.530 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| AASU | HEAD HEIGHT | 0.450 INCHES MINIMUM AND 0.460 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |