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 |
|---|---|
| 78286 | SIKORSKY AIRCRAFT CORPORATION |
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-268,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | ANODIZE OVERALL |
| BZRR | THREAD SERIES | UNF CONCENTRIC HOLE |
| THSD | THREAD SERIES DESIGNATOR | UNEF |
| AASB | FASTENER LENGTH | 0.844 INCHES NOMINAL |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| AASA | THREAD LENGTH | 0.375 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| AAJD | THREAD CLASS | 3A |
| AASU | HEAD HEIGHT | 0.407 INCHES NOMINAL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AN-QQ-696 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAWY | COUNTERBORE DIAMETER | 1.005 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 1.250 INCHES |
| AAWZ | COUNTERBORE DEPTH | 0.375 INCHES NOMINAL |
| AASK | HEAD STYLE | HEXAGON |
| AAXC | CONCENTRIC HOLE DIAMETER | 0.625 INCHES NOMINAL |
| STYL | STYLE DESIGNATOR | COUNTERBORE UNTHREADED |
| ABXT | INTERNAL THREAD LENGTH | 0.469 INCHES NOMINAL CONCENTRIC HOLE |
| AAEL | THREADS PER INCH | 18 CONCENTRIC HOLE |
| AATB | WIDTH BETWEEN FLATS | 1.625 INCHES NOMINAL |