Part Number
Part Number:
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.
CAGE Information
| Code |
Company |
| 80205 |
NATIONAL AEROSPACE STANDARDS COMMITT |
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| AHYM |
NOMINAL THREAD DIAMETER |
0.190 INCHES |
| AASA |
THREAD LENGTH |
0.323 INCHES NOMINAL |
| MATT |
MATERIAL |
TITANIUM ALLOY UNS R56400 OVERALL |
| AASK |
HEAD STYLE |
FILLISTER COUNTERSUNK |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AASB |
FASTENER LENGTH |
0.823 INCHES NOMINAL |
| AASL |
HEAD DIAMETER |
0.303 INCHES MAXIMUM |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AASU |
HEAD HEIGHT |
0.012 INCHES MAXIMUM |
| ANEE |
GRIP LENGTH |
0.500 INCHES NOMINAL |
| AAUR |
GRIP DIAMETER |
0.181 INCHES MINIMUM AND 0.184 INCHES MAXIMUM |
| CXCY |
PART NAME ASSIGNED BY CONTROLLING AGENCY |
BOLT 100 DEG REDUCED HEAD, TRI SLOT RECESS, CLOSE TOLERANCE, 6AL-4V TITANIUM ALLOY SHORT THREAD, NONLOCKING |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
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