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 |
|---|---|
| 0NNS4 | LOCKHEED MARTIN CORPORATION DBA LOCK |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASB | FASTENER LENGTH | 1.149 INCHES MINIMUM AND 1.179 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.558 INCHES MINIMUM AND 0.577 INCHES MAXIMUM |
| CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| AASA | THREAD LENGTH | 0.399 INCHES MINIMUM AND 0.429 INCHES MAXIMUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072(EL)E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| MATT | MATERIAL | STEEL COMP 303SE HEAD OR STEEL COMP 303 PLUS X HEAD OR STEEL COMP 430FSE HEAD OR STEEL COMP 303MA HEAD OR STEEL COMP 420F HEAD OR STEEL COMP 420FSE HEAD OR STEEL COMP 416SE HEAD OR STEEL COMP 416 PLUS X HEAD OR STEEL COMP 416 HEAD OR STEEL COMP 303PB HEAD OR STEEL COMP 303 HEAD OR STEEL COMP 203EZ HEAD OR STEEL COMP 430F HEAD OR STEEL COMP 440F HEAD |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A193 ASSN STD SINGLE MATERIAL RESPONSE GRIP OR ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE GRIP OR ASTM A479 ASSN STD SINGLE MATERIAL RESPONSE GRIP |
| AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| AASK | HEAD STYLE | HEXAGON |
| AAWC | FIRST DIAMETER FROM HEAD | 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL GRIP |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A581 ASSN STD ALL MATERIAL RESPONSES HEAD OR ASTM A582 ASSN STD ALL MATERIAL RESPONSES HEAD |