National Stock Number (NSN) Output Data
NSN:
NIIN:
Item Name:
SCREW , CLOSE TOLERANCE
Definition:
A SCREW, MACHINE OR SCREW, CAP, SOCKET HEAD WHOSE UNTHREADED PORTION IS OF SPECIFIED GRIP LENGTH, PLATED OR UNPLATED, AND IS MACHINED TO A TOLERANCE OF ONE THOUSANDTH (0.001 IN.) (0.025 MM) OR LESS OF A SPECIFIC DIAMETER FOR ITEMS (1.000 IN.) (25 MM) OR LESS IN DIAMETER. ITEMS OVER (1.000 IN.) (25 MM) IN DIAMETER SHALL HAVE A TOLERANCE OF FIFTEEN TEN THOUSANDTHS (0.0015 IN.) (0.038 MM) OR LESS. THE NOMINAL MAJOR DIAMETER OF THE THREADS SHALL BE AT LEAST ONE THOUSANDTH (0.001 IN.) (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 DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVER. IT IS NOT DESIGNED FOR ROTATION BY THE THUMB AND FINGERS. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS.
Reference/Part Number
CAGE Information
| Code |
Company |
| 0PTK6 |
SPS TECHNOLOGIES INC |
| 73197 |
HI-SHEAR CORPORATION |
| 76301 |
BOEING COMPANY THE DBA BOEING |
| L4528 |
LISI AEROSPACE CANADA CORP |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| AASL |
HEAD DIAMETER |
0.456 INCHES MINIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AASB |
FASTENER LENGTH |
1.3905 INCHES MINIMUM AND 1.4375 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
3A |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
AMS-QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| AASU |
HEAD HEIGHT |
0.0713 INCHES MINIMUM AND 0.0733 INCHES MAXIMUM |
| AHYM |
NOMINAL THREAD DIAMETER |
0.2500 INCHES |
| AGAV |
END ITEM IDENTIFICATION |
STRUCTURAL SECTIONS; F18 AIRCRAFT |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| MATT |
MATERIAL |
STEEL COMP XM-13 OVERALL |
| CBBL |
FEATURES PROVIDED |
CETYL ALCOHOL LUBRICANT AND O RING |
| CRTL |
CRITICALITY CODE JUSTIFICATION |
AGAV |
| ABQZ |
INTERNAL DRIVE STYLE |
HIGH-TORQUE |
| CXCY |
PART NAME ASSIGNED BY CONTROLLING AGENCY |
SCREW,CLOSE TOLERANCE-ASSEMBLY, 100 DEGREE COUNTERSUNK SEALING HEAD, DOVETAIL SLOT, CRES |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK UNDERCUT |
| AAUR |
GRIP DIAMETER |
0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| ANEE |
GRIP LENGTH |
0.9275 INCHES MINIMUM AND 0.9475 INCHES MAXIMUM |
| AASA |
THREAD LENGTH |
0.469 INCHES NOMINAL |
| SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS5629, PH13-8MO ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
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