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
| Part Number |
CAGE |
Status |
RNCC |
RNVC |
DAC |
RNAAC |
MSDS |
SADC |
| 451840 |
17772 |
A |
5 |
2 |
5 |
ZZ |
|
|
| 451840 |
98897 |
A |
3 |
2 |
X |
XX |
|
|
| 451840 |
30205 |
A |
5 |
2 |
5 |
ZZ |
|
|
CAGE Information
| Code |
Company |
| 17772 |
AERO ENGINEERING & MANUFACTURING COM |
| 98897 |
LOCKHEED MARTIN CORPORATION DBA LOCK |
| 30205 |
MERCER PRODUCTS & MANUFACTURING COMP |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| AATB |
WIDTH BETWEEN FLATS |
0.938 INCHES NOMINAL |
| AATB |
WIDTH BETWEEN FLATS |
0.938 INCHES NOMINAL |
| AAJD |
THREAD CLASS |
3A |
| AASU |
HEAD HEIGHT |
0.188 INCHES NOMINAL |
| CQBC |
MINIMUM TENSILE STRENGTH |
200000 POUNDS PER SQUARE INCH |
| SFTT |
SURFACE TREATMENT |
CHROMIUM OVERALL |
| FEAT |
SPECIAL FEATURES |
UNDERCUTS BETWEEN HEAD AND SHOULDER AND SHOULDER AND THREADS 0.540 IN. DIA. BY 0.063 IN. WIDE |
| AASB |
FASTENER LENGTH |
4.960 INCHES NOMINAL |
| AASA |
THREAD LENGTH |
0.375 INCHES MINIMUM |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.104 INCHES MINIMUM FIRST HOLE AND 0.109 INCHES MAXIMUM FIRST HOLE |
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