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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

Part Number CAGE Status RNCC RNVC DAC RNAAC MSDS SADC
NAS1203-19 56878 A 5 9 4 KZ
NAS1203-19 50568 A 3 2 4 KZ
NAS1203-19 80205 A 3 2 X XX
NAS1203-19 08938 F 5 9 4 KZ
NAS1203-19 82172 F 5 9 4 KZ
NAS1203-19 71563 F 5 9 4 KZ
NAS1203-19 30902 F 5 9 4 KZ
NAS1203-19 L4528 A 3 2 4 ZZ
NAS1203-19 73197 A 3 2 4 KZ
NAS1203-19 80539 A 3 2 4 KZ
NAS1203-19 07851 A 3 2 4 KZ
NAS1203-19 C4293 A 5 2 3 ZG
NAS1203-19 30889 A 3 2 4 KZ
NAS1203-19 04348 H 5 9 4 KZ

CAGE Information

Code Company
04348 LAWRENCE ENGINEERING AND SUPPLY INC
56878 SPS TECHNOLOGIES LLC DBA AEROSPACE D
50568 APCOM INC
80205 NATIONAL AEROSPACE STANDARDS COMMITT
08938 AIR INDUSTRIES CO INC
82172 DURHAM AIRCRAFT SERVICE INC
71563 COLLINS ENGINEERING CORP
30902 F AND C SALES INC
L4528 LISI AEROSPACE CANADA CORP
73197 HI-SHEAR CORPORATION
80539 SPS TECHNOLOGIES LLC DBA AEROSPACE F
07851 NOR-CAL SUPPLY CO.INC.
C4293 ALCOA FASTENING SYSTEMS FAIRCHILD FA
30889 ERIKS SOUTHWEST INC DBA MONTCLAIR EN

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AHYM NOMINAL THREAD DIAMETER 0.190 INCHES
AASB FASTENER LENGTH 1.449 INCHES MINIMUM AND 1.479 INCHES MAXIMUM
AASL HEAD DIAMETER 0.328 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
THSD THREAD SERIES DESIGNATOR UNJF
CQBC MINIMUM TENSILE STRENGTH 160000 POUNDS PER SQUARE INCH
AAJD THREAD CLASS 3A
AASA THREAD LENGTH 0.251 INCHES MINIMUM AND 0.301 INCHES MAXIMUM
ABQZ INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
AAJF THREAD DIRECTION RIGHT-HAND
AASK HEAD STYLE FLAT COUNTERSUNK
AAUR GRIP DIAMETER 0.1625 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM
CRSQ COUNTERSINK ANGLE 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
CQFM HARDNESS RATING 36.0 ROCKWELL C MINIMUM OVERALL AND 42.0 ROCKWELL C MAXIMUM OVERALL
MDCL MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OVERALL OR MIL-S-6098 MIL SPEC 3RD MATERIAL RESPONSE OVERALL OR MIL-S-8503 MIL SPEC 4TH MATERIAL RESPONSE OVERALL OR MIL-S-5626 MIL SPEC 5TH MATERIAL RESPONSE OVERALL OR AMS 6300 ASSN STD 6TH MATERIAL RESPONSE OVERALL
ANEE GRIP LENGTH 1.178 INCHES MINIMUM AND 1.198 INCHES MAXIMUM
MATT MATERIAL STEEL COMP 8735 OVERALL OR STEEL COMP E4340 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 6150 OVERALL OR STEEL COMP 4037 OVERALL
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TYPE 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
SFTT SURFACE TREATMENT CADMIUM OVERALL AND CHROMATE OVERALL
CMLP THREAD QUANTITY PER INCH 32

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