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 |
|---|---|
| 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AAXC | CONCENTRIC HOLE DIAMETER | 0.484 INCHES NOMINAL |
| AAXC | CONCENTRIC HOLE DIAMETER | 0.484 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 1.125 INCHES |
| ASXK | HOLE QUANTITY | 2 |
| MATT | MATERIAL | STEEL COMP E4340 OVERALL OR STEEL COMP 4340 OVERALL |
| AAWX | CONCENTRIC HOLE DEPTH | 4.062 INCHES NOMINAL |
| CQFM | HARDNESS RATING | 33.0 ROCKWELL C MINIMUM OVERALL AND 37.0 ROCKWELL C MAXIMUM OVERALL |
| AAJD | THREAD CLASS | 3A |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.140 INCHES NOMINAL FIRST HOLE |
| AASB | FASTENER LENGTH | 3.859 INCHES NOMINAL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASL | HEAD DIAMETER | 1.875 INCHES NOMINAL |
| AAWZ | COUNTERBORE DEPTH | 1.125 INCHES NOMINAL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.546 INCHES NOMINAL FIRST HOLE |
| AAUB | HOLE DIAMETER | 0.141 INCHES NOMINAL |
| AAWY | COUNTERBORE DIAMETER | 0.625 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 1.062 INCHES NOMINAL |
| CQBC | MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| AASK | HEAD STYLE | ROUND W/WRENCH FLATS |
| AASA | THREAD LENGTH | 1.500 INCHES MINIMUM |
| BQDM | HOLE TYPE | DRILLED |
| STYL | STYLE DESIGNATOR | COUNTERBORE UNTHREADED |
| CRHC | HOLE CONFIGURATION STYLE | ROUND |
| AATB | WIDTH BETWEEN FLATS | 1.625 INCHES NOMINAL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |