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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
TX1026C4-21A 27624 A 5 2 5 ZZ
TX1026C4-21A 06725 A 5 2 5 ZZ
TX1026C4-21A 80539 A 5 2 5 ZZ
TX1026C4-21A L4528 A 5 2 5 ZZ
3M1169C4-21A 58998 A 5 2 5 ZZ
3M1169C4-21A 76301 A 3 2 A ZZ
GS1006C4-21A 1EM77 A 5 2 5 ZZ
TX1026C4-21A 56878 A 5 2 5 ZZ
TX1026C4-21A 06950 A 5 2 5 ZZ
TX1026C4-21A 73197 A 5 2 5 ZZ
WC1169C4-21A 60516 A 5 2 5 ZZ
TX1026C4-21A C4293 A 5 2 5 ZZ

CAGE Information

Code Company
06725 SPS TECHNOLOGIES LLC DBA AIR INDUSTR
27624 PAUL R. BRILES INC. DBA PB FASTENERS
80539 SPS TECHNOLOGIES LLC DBA AEROSPACE F
L4528 LISI AEROSPACE CANADA CORP
58998 EMHART TEKNOLOGIES LLC DBA FASTENER
76301 BOEING COMPANY THE DBA BOEING
1EM77 B & B SPECIALTIES INC. DBA G S AEROS
56878 SPS TECHNOLOGIES LLC DBA AEROSPACE D
06950 ALCOA GLOBAL FASTENERS INC. DBA ALCO
73197 HI-SHEAR CORPORATION
60516 WEST COAST AEROSPACE INC
C4293 ALCOA FASTENING SYSTEMS FAIRCHILD FA

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AASL HEAD DIAMETER 0.4970 INCHES MINIMUM AND 0.5066 INCHES MAXIMUM
THSD THREAD SERIES DESIGNATOR UNJF
AASB FASTENER LENGTH 1.722 INCHES MINIMUM AND 1.752 INCHES MAXIMUM
AAJD THREAD CLASS 3A
ABQZ INTERNAL DRIVE STYLE TORX
AHYM NOMINAL THREAD DIAMETER 0.250 INCHES
CMLP THREAD QUANTITY PER INCH 28
AAJF THREAD DIRECTION RIGHT-HAND
AGAV END ITEM IDENTIFICATION A/F-18-DCN
AASK HEAD STYLE FLAT COUNTERSUNK
CRSQ COUNTERSINK ANGLE 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
AAUR GRIP DIAMETER 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
AASA THREAD LENGTH 0.425 INCHES NOMINAL
AASU HEAD HEIGHT 0.110 INCHES NOMINAL
ANEE GRIP LENGTH 1.312 INCHES NOMINAL
AAUJ SPLINE MAJOR DIAMETER 0.219 INCHES MINIMUM AND 0.222 INCHES MAXIMUM
MATT MATERIAL NICKEL ALLOY 718 OVERALL
SFTT SURFACE TREATMENT PASSIVATE OVERALL

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TX1026C4-21A , TX1026C421A , 5305-01-475-3401 , 5305014753401 , 014753401 , TX1026C4-21A , TX1026C4-21A , TX1026C4-21A , TX1026C4-21A , 3M1169C4-21A , 3M1169C4-21A , GS1006C4-21A , TX1026C4-21A , TX1026C4-21A , TX1026C4-21A , WC1169C4-21A , TX1026C4-21A ,