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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
123256-4R(14) 80539 A 3 2 A KZ
LE111-0044-2414 43999 A 7 2 5 KZ
AS303-24-14 84256 A 3 2 5 KZ

CAGE Information

Code Company
43999 BOEING COMPANY THE DBA BOEING DIV DE
80539 SPS TECHNOLOGIES LLC DBA AEROSPACE F
84256 AVIBANK MFG. INC.

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
CSYM SURFACE FINISH 32.0 MICROINCHES THREADS
CSYM SURFACE FINISH 32.0 MICROINCHES GRIP
AASL HEAD DIAMETER 0.449 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
ANEE GRIP LENGTH 0.875 INCHES MINIMUM AND 0.891 INCHES MAXIMUM
AAUM LOCKING FEATURE DETENT BALL THREADS
THSD THREAD SERIES DESIGNATOR UNJF
AASB FASTENER LENGTH 1.293 INCHES MINIMUM AND 1.313 INCHES MAXIMUM
AASA THREAD LENGTH 0.402 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
AAUR GRIP DIAMETER 0.2483 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM
AAJD THREAD CLASS 3A
AHYM NOMINAL THREAD DIAMETER 0.250 INCHES
CMLP THREAD QUANTITY PER INCH 28
AAJF THREAD DIRECTION RIGHT-HAND
AASK HEAD STYLE FLAT COUNTERSUNK
CRSQ COUNTERSINK ANGLE 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
CQFM HARDNESS RATING 36.0 ROCKWELL C MINIMUM OVERALL AND 41.0 ROCKWELL C MAXIMUM OVERALL
FEAT SPECIAL FEATURES INTERNAL DRIVE RIBBED
MATT MATERIAL STEEL COMP 8740 OVERALL OR STEEL COMP 4130 OVERALL OR STEEL COMP E4340 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 6150 OVERALL
SFTT SURFACE TREATMENT CADMIUM OVERALL AND CHROMATE OVERALL
ABQZ INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET)

Similar Parts

LE111-0044-2414 , LE11100442414 , 5305-01-185-3592 , 5305011853592 , 011853592 , 123256-4R(14) , LE111-0044-2414 , AS303-24-14 ,