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 |
---|---|
81205 | THE BOEING COMPANY DBA BOEING DIV DE |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
CQBC | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
MATT | MATERIAL | STEEL COMP 4140 OVERALL |
AASL | HEAD DIAMETER | 2.500 INCHES NOMINAL |
THSD | THREAD SERIES DESIGNATOR | UNEF |
AAXC | CONCENTRIC HOLE DIAMETER | 1.000 INCHES NOMINAL |
AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.172 INCHES NOMINAL FIRST HOLE |
AAJF | THREAD DIRECTION | RIGHT-HAND |
CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 6.120 INCHES NOMINAL FIRST HOLE |
AATB | WIDTH BETWEEN FLATS | 2.000 INCHES NOMINAL |
CMLP | THREAD QUANTITY PER INCH | 16 |
AAJD | THREAD CLASS | 2A |
AASK | HEAD STYLE | ROUND W/WRENCH FLATS |
AHYM | NOMINAL THREAD DIAMETER | 1.750 INCHES |
STYL | STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED |
AASB | FASTENER LENGTH | 6.020 INCHES NOMINAL |
AASU | HEAD HEIGHT | 0.380 INCHES NOMINAL |
SFTT | SURFACE TREATMENT | NICKEL OVERALL |
AASA | THREAD LENGTH | 0.790 INCHES MINIMUM |