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 |
|---|---|
| 03990 | INGERSOLL-RAND CO |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASA | THREAD LENGTH | 0.312 INCHES MINIMUM AND 0.531 INCHES MAXIMUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 57-0-2,TY 3 CL B MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | OXIDE OVERALL |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| AATB | WIDTH BETWEEN FLATS | 0.750 INCHES NOMINAL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| FEAT | SPECIAL FEATURES | NOM THD DIA 0.438; NONSTD THD PITCH DIA 0.4014/P0.4050; THD QTY PER INCH 20 |
| AASU | HEAD HEIGHT | 0.125 INCHES NOMINAL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AASK | HEAD STYLE | HEXAGON |
| CBBL | FEATURES PROVIDED | CASEHARDENED |
| STYL | STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED |
| MATT | MATERIAL | STEEL COMP 1117 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AASB | FASTENER LENGTH | 0.406 INCHES NOMINAL |