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 |
|---|---|
| 17772 | AERO ENGINEERING & MANUFACTURING COM |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AAXC | CONCENTRIC HOLE DIAMETER | 0.437 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 4.269 INCHES NOMINAL FIRST HOLE |
| MATT | MATERIAL | STEEL COMP 4140 OVERALL |
| AASU | HEAD HEIGHT | 0.280 INCHES NOMINAL |
| AATB | WIDTH BETWEEN FLATS | 0.938 INCHES NOMINAL |
| CQBC | MINIMUM TENSILE STRENGTH | 190000 POUNDS PER SQUARE INCH |
| AASB | FASTENER LENGTH | 2.614 INCHES NOMINAL |
| AAJD | THREAD CLASS | 3A |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626,COND C4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| AAVH | SHOULDER DIAMETER | 0.686 INCHES MINIMUM AND 0.687 INCHES MAXIMUM |
| SFTT | SURFACE TREATMENT | CHROMIUM GRIP |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAVK | SHOULDER LENGTH | 4.000 INCHES NOMINAL |
| AASA | THREAD LENGTH | 0.290 INCHES MINIMUM AND 0.320 INCHES MAXIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.109 INCHES NOMINAL FIRST HOLE |
| AASK | HEAD STYLE | HEXAGON |
| AHYM | NOMINAL THREAD DIAMETER | 0.438 INCHES |
| STYL | STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED |
| CMLP | THREAD QUANTITY PER INCH | 20 |