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 |
|---|---|
| 64959 | AMERICAN TELEPHONE AND TELEGRAPH CO |
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASB | FASTENER LENGTH | 1.750 INCHES NOMINAL |
| AATB | WIDTH BETWEEN FLATS | 0.497 INCHES MINIMUM AND 0.502 INCHES MAXIMUM |
| AATC | EXTENDED WASHER DIAMETER | 0.750 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.750 INCHES NOMINAL |
| AATD | EXTENDED WASHER THICKNESS | 0.125 INCHES NOMINAL |
| CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| AASA | THREAD LENGTH | 0.688 INCHES MINIMUM |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | SQUARE EXTENDED WASHER |
| AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 1.062 INCHES NOMINAL |
| SFTT | SURFACE TREATMENT | ZINC OVERALL OR PHOSPHATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 3064 FSCM 54567 MFR REF 1ST TREATMENT RESPONSE OVERALL OR 3066 FSCM 54567 MFR REF 2ND TREATMENT RESPONSE OVERALL |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| AHYM | NOMINAL THREAD DIAMETER | 0.375 INCHES |
| AAWC | FIRST DIAMETER FROM HEAD | 0.266 INCHES NOMINAL |
| MATT | MATERIAL | STEEL COMP 1117 OVERALL |