National Stock Number (NSN) Output Data
NSN:
NIIN:
Item Name:
BOLT , CLOSE TOLERANCE
Definition:
AN EXTERNALLY THREADED FASTENER WHOSE UNTHREADED PORTION IS OF A SPECIFIED GRIP LENGTH, PLATED OR UNPLATED, AND IS MACHINED TO A TOLERANCE OF ONE THOUSANDTH (0.001) OF AN INCH (0.025 MM) OR LESS OF A SPECIFIC DIAMETER FOR ITEMS ONE INCH (25 MM) OR LESS IN DIAMETER. ITEMS OVER ONE INCH (25 MM) IN DIAMETER SHALL HAVE A TOLERANCE OF FIFTEEN TEN-THOUSANDTHS (0.0015) OF AN INCH (0.038 MM) OR LESS. THE NOMINAL MAJOR DIAMETER OF THE THREADS SHALL BE AT LEAST ONE THOUSANDTH (0.001) OF AN INCH (0.025 MM) BELOW THE MINIMUM SHANK DIAMETER, BUT NOT BELOW THE MINIMUM MAJOR DIAMETER FOR APPLICABLE CLASS OF FIT, AS SHOWN IN THE SCREW THREAD STANDARDS, FED STD H28 AND/OR OTHER NATIONALLY RECOGNIZED STANDARDS. THE HEAD IS NOT DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVER, NOR IS IT DESIGNED FOR ROTATION BY THE THUMB AND FINGERS. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. FOR ITEMS HAVING CLOSE TOLERANCE, AND FABRICATED FROM MATERIAL HAVING 160,000 POUNDS PER SQUARE INCH (1100 MEGAPASCALS) MINIMUM TENSILE STRENGTH, SEE BOLT, SHEAR. FOR ITEMS FABRICATED FROM MATERIAL HAVING LESS THAN 160,000 POUNDS PER SQUARE INCH (1100 MEGAPASCALS) MINIMUM TENSILE STRENGTH AND NOT HAVING A CLOSE TOLERANCE, SEE BOLT, MACHINE.
Reference/Part Number
CAGE Information
| Code |
Company |
| 28444 |
BR MACHINE PARTS INC |
| 76301 |
BOEING COMPANY THE DBA BOEING |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| CMLP |
THREAD QUANTITY PER INCH |
24 |
| AASB |
FASTENER LENGTH |
4.094 INCHES NOMINAL |
| AAJD |
THREAD CLASS |
1A |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| ANEE |
GRIP LENGTH |
3.625 INCHES NOMINAL |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.094 INCHES MINIMUM FIRST HOLE AND 0.097 INCHES MAXIMUM FIRST HOLE |
| AASU |
HEAD HEIGHT |
0.156 INCHES NOMINAL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| MATT |
MATERIAL |
IRON ALLOY 660 OVERALL |
| AAUR |
GRIP DIAMETER |
0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
1.924 INCHES NOMINAL FIRST HOLE |
| AASK |
HEAD STYLE |
HEXAGON |
| AATB |
WIDTH BETWEEN FLATS |
0.496 INCHES MINIMUM AND 0.504 INCHES MAXIMUM |
| AHYM |
NOMINAL THREAD DIAMETER |
0.312 INCHES |
| AASA |
THREAD LENGTH |
0.469 INCHES NOMINAL |
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