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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
HT271A4-11 L4528 A 3 2 4 ZZ
HT8137-4-11AS 92215 A 5 9 5 KZ
BM33024V4-11U 97928 R 5 9 4 KZ
WC8137-4-11A 60516 A 5 2 5 ZZ
BM33024V4-11U 17446 A 3 2 4 ZZ
HT8137-4-11AS 06950 A 3 2 5 ZZ
HT271A4-11 73197 A 3 2 4 KZ
ST3M430V4-11AS 58998 A 5 2 5 ZZ
ST3M430V4-11AS 80539 A 5 9 4 KZ
110179-4-11AS 56878 A 5 9 4 KZ
ST3M430V4-11AS 76301 A 7 2 5 KE
110179-4-11AS 80539 A 3 2 4 KZ
110179-4-11AS K5673 A 5 2 5 KZ
ST3M430V4-11AS 1VSL7 A 5 2 5 ZZ

CAGE Information

Code Company
06950 ALCOA GLOBAL FASTENERS INC. DBA ALCO
L4528 LISI AEROSPACE CANADA CORP
92215 ALCOA GLOBAL FASTENERS INC. DBA ALCO
97928 HUCK INTL INC
60516 WEST COAST AEROSPACE INC
17446 HUCK INTERNATIONAL INC. DBA ALCOA FA
73197 HI-SHEAR CORPORATION
58998 EMHART TEKNOLOGIES LLC DBA FASTENER
80539 SPS TECHNOLOGIES LLC DBA AEROSPACE F
56878 SPS TECHNOLOGIES LLC DBA AEROSPACE D
76301 BOEING COMPANY THE DBA BOEING
K5673 SPS TECHNOLOGIES LTD TJ BROOKS DIVIS
1VSL7 HOUSTON PRECISION FASTENER L.L.C.

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AASU HEAD HEIGHT 0.071 INCHES MINIMUM AND 0.073 INCHES MAXIMUM
CRSQ COUNTERSINK ANGLE 100.0 DEGREES NOMINAL
AASL HEAD DIAMETER 0.5066 INCHES MAXIMUM
AASA THREAD LENGTH 0.442 INCHES MINIMUM AND 0.509 INCHES MAXIMUM
THSD THREAD SERIES DESIGNATOR UNJF
AAJD THREAD CLASS 3A
AHYM NOMINAL THREAD DIAMETER 0.250 INCHES
CMLP THREAD QUANTITY PER INCH 28
AAJF THREAD DIRECTION RIGHT-HAND
AASB FASTENER LENGTH 1.140 INCHES MINIMUM AND 1.187 INCHES MAXIMUM
ANEE GRIP LENGTH 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM
AGAV END ITEM IDENTIFICATION EAGLE F-15, F/A-18 HORNET, HARRIER
MDCL MATERIAL DOCUMENT AND CLASSIFICATION NAS621 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATT MATERIAL TITANIUM ALLOY UNS R54520 OVERALL
ABQZ INTERNAL DRIVE STYLE HIGH-TORQUE
FEAT SPECIAL FEATURES FURNISHED WITH 1 O-RING
AASK HEAD STYLE FLAT COUNTERSUNK UNDERCUT
AAUR GRIP DIAMETER 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM

Similar Parts

HT8137-4-11AS , HT8137411AS , 5305-01-103-5732 , 5305011035732 , 011035732 , HT271A4-11 , HT8137-4-11AS , BM33024V4-11U , WC8137-4-11A , BM33024V4-11U , HT8137-4-11AS , HT271A4-11 , ST3M430V4-11AS , ST3M430V4-11AS , 110179-4-11AS , ST3M430V4-11AS , 110179-4-11AS , 110179-4-11AS , ST3M430V4-11AS ,