Follow Us on Google+

Request A Price Quote:

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
ST3M455-8L12 K5673 A 5 2 5 ZZ
ST3M455-8L12 06950 A 5 2 5 ZZ
WC4024L8-12 60516 A 5 2 5 ZZ
HT4024L8-12 97928 R 5 9 5 KZ
HT4024L8-12 92215 A 5 9 5 KZ
ST3M455-8L12 80539 A 5 2 5 ZZ
HT4024L8-12 73197 A 3 2 5 SB
ST3M455-8L12 76301 A 7 2 1 SB
ST3M455-8L12 58998 A 5 2 5 ZZ
HT4024L8-12 17446 A 5 2 5 ZZ
HT4024L8-12 56878 A 5 2 5 KZ
ST3M455-8L12 17446 A 5 9 5 ZZ
HT4024L8-12 L4528 A 3 2 5 ZZ

CAGE Information

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

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AASA THREAD LENGTH 0.756 INCHES MINIMUM AND 0.806 INCHES MAXIMUM
THSD THREAD SERIES DESIGNATOR UNJF
MATT MATERIAL STEEL CORROSION RESISTING OVERALL
AAJD THREAD CLASS 3A
AHYM NOMINAL THREAD DIAMETER 0.500 INCHES
AAJF THREAD DIRECTION RIGHT-HAND
AASK HEAD STYLE FLAT COUNTERSUNK
CRSQ COUNTERSINK ANGLE 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
AASB FASTENER LENGTH 1.516 INCHES MINIMUM AND 1.546 INCHES MAXIMUM
AAUR GRIP DIAMETER 0.4990 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM
ABQZ INTERNAL DRIVE STYLE HIGH-TORQUE
CMLP THREAD QUANTITY PER INCH 20
AASL HEAD DIAMETER 0.688 INCHES MINIMUM AND 0.755 INCHES MAXIMUM
ANEE GRIP LENGTH 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
SFTT SURFACE TREATMENT PASSIVATE OVERALL

Similar Parts

ST3M455-8L12 , ST3M4558L12 , 5305-00-522-9598 , 5305005229598 , 005229598 , ST3M455-8L12 , ST3M455-8L12 , WC4024L8-12 , HT4024L8-12 , HT4024L8-12 , ST3M455-8L12 , HT4024L8-12 , ST3M455-8L12 , ST3M455-8L12 , HT4024L8-12 , HT4024L8-12 , ST3M455-8L12 , HT4024L8-12 ,