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 |
|---|---|
| 80378 | TRIUMPH AEROSTRUCTURES, LLC DBA TRIU |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| BZRR | THREAD SERIES | UNF CONCENTRIC HOLE |
| BZRR | THREAD SERIES | UNF CONCENTRIC HOLE |
| MATT | MATERIAL | STEEL COMP 4340 OVERALL |
| AAJD | THREAD CLASS | 3A |
| AASU | HEAD HEIGHT | 0.300 INCHES NOMINAL |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.203 INCHES NOMINAL FIRST HOLE |
| AASB | FASTENER LENGTH | 5.740 INCHES MINIMUM AND 5.780 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| AASA | THREAD LENGTH | 0.920 INCHES NOMINAL |
| CQJX | NOMINAL THREAD SIZE | 0.562 INCHES CONCENTRIC HOLE |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AASK | HEAD STYLE | HEXAGON |
| STYL | STYLE DESIGNATOR | CONCENTRIC HOLE THREADED |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 5.510 INCHES NOMINAL FIRST HOLE |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| AAEL | THREADS PER INCH | 18 CONCENTRIC HOLE |
| AATB | WIDTH BETWEEN FLATS | 2.250 INCHES NOMINAL |