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 |
|---|---|
| 97499 | BELL HELICOPTER TEXTRON INC. |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| MATT | MATERIAL | STEEL COMP 630 OVERALL |
| MATT | MATERIAL | STEEL COMP 630 OVERALL |
| AAVK | SHOULDER LENGTH | 5.460 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.875 INCHES |
| AATD | EXTENDED WASHER THICKNESS | 0.125 INCHES NOMINAL |
| AAVH | SHOULDER DIAMETER | 1.519 INCHES MINIMUM AND 1.520 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 1.115 INCHES MINIMUM AND 1.128 INCHES MAXIMUM |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CMLP | THREAD QUANTITY PER INCH | 14 |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AATC | EXTENDED WASHER DIAMETER | 1.980 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.610 INCHES MINIMUM AND 0.650 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 2A |
| ABXT | INTERNAL THREAD LENGTH | 6.650 INCHES MINIMUM CONCENTRIC HOLE AND 6.671 INCHES MAXIMUM CONCENTRIC HOLE |
| STYL | STYLE DESIGNATOR | CONCENTRIC HOLE THREADED |
| AASK | HEAD STYLE | HEXAGON EXTENDED WASHER |
| AASB | FASTENER LENGTH | 6.340 INCHES NOMINAL |