Part Number
Part Number:
NSN:
NIIN:
Item Name:
BOLT , INTERNALLY RELIEVED BODY
Definition:
AN EXTERNALLY THREADED FASTENER WHOSE EXTERNAL THREADED PORTION IS OF ONE NOMINAL DIAMETER. IT HAS A CONCENTRIC HOLE ALONG THE LONGITUDINAL CENTERLINE WHICH MAY EXTEND A PART OR THE FULL LENGTH OF THE BOLT. THE CONCENTRIC HOLE ALONG THE CENTERLINE MAY BE COUNTERBORED AND/OR INTERNALLY THREADED AT THE HEAD END OR THE BOLT END. THE HEAD IS DESIGNED TO BE HELD OR DRIVEN BY AN EXTERNAL AND/OR INTERNAL DRIVER. FOR ITEMS HAVING A HOLE(S) PERPENDICULAR TO THE AXIS WHICH MEET THE CONCENTRIC HOLE ALONG THE LONGITUDINAL CENTERLINE, SEE BOLT, FLUID PASSAGE.
CAGE Information
| Code | Company |
|---|---|
| 77873 | GKN ROCKFORD INC |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CMLP | THREAD QUANTITY PER INCH | 24 |
| BZRR | THREAD SERIES | UNF CONCENTRIC HOLE |
| AAVH | SHOULDER DIAMETER | 0.280 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 0.515 INCHES MINIMUM AND 0.545 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 83.0 ROCKWELL SUPERFICIAL 15-N MINIMUM OVERALL AND 88.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | CROWNED HEXAGON |
| AASA | THREAD LENGTH | 0.515 INCHES MINIMUM AND 0.545 INCHES MAXIMUM |
| ASXK | HOLE QUANTITY | 1 |
| AAVK | SHOULDER LENGTH | 0.483 INCHES MINIMUM AND 0.494 INCHES MAXIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| MATT | MATERIAL | STEEL COMP 4037 OVERALL OR STEEL COMP 4135 OVERALL |
| AAJD | THREAD CLASS | 2A |
| AASU | HEAD HEIGHT | 0.150 INCHES MINIMUM AND 0.170 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.4280 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM |
| STYL | STYLE DESIGNATOR | CONCENTRIC HOLE THREADED |
| AAUB | HOLE DIAMETER | 0.188 INCHES NOMINAL |
| BQDM | HOLE TYPE | DRILLED |
| AHYM | NOMINAL THREAD DIAMETER | 0.375 INCHES |
| CRHC | HOLE CONFIGURATION STYLE | ROUND |