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 |
| 06950 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
| 92215 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
| L4528 |
LISI AEROSPACE CANADA CORP |
| 80539 |
SPS TECHNOLOGIES LLC DBA AEROSPACE F |
| 73197 |
HI-SHEAR CORPORATION |
| 0PTK6 |
SPS TECHNOLOGIES INC |
| 27624 |
PAUL R. BRILES INC. DBA PB FASTENERS |
| 76301 |
BOEING COMPANY THE DBA BOEING |
| K5673 |
SPS TECHNOLOGIES LTD TJ BROOKS DIVIS |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| SFTT |
SURFACE TREATMENT |
ALUMINUM OVERALL AND CHROMATE OVERALL |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS 4967 COMP 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AAJD |
THREAD CLASS |
3A |
| AASU |
HEAD HEIGHT |
0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM |
| CSYM |
SURFACE FINISH |
16.0 MICROINCHES THREADS |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| CSYM |
SURFACE FINISH |
63.0 MICROINCHES GRIP |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASB |
FASTENER LENGTH |
1.598 INCHES MINIMUM AND 1.628 INCHES MAXIMUM |
| CSYM |
SURFACE FINISH |
63.0 MICROINCHES BEARING SURFACE OF HEAD |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
MIL-C-83488,TYPE 2,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AAUR |
GRIP DIAMETER |
0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
HEXAGON |
| ANEE |
GRIP LENGTH |
1.178 INCHES MINIMUM AND 1.198 INCHES MAXIMUM |
| MATT |
MATERIAL |
TITANIUM ALLOY OVERALL |
| AATB |
WIDTH BETWEEN FLATS |
0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |
| AASA |
THREAD LENGTH |
0.400 INCHES MINIMUM AND 0.450 INCHES MAXIMUM |
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