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NSN 5305-01-423-6945, 5305014236945
SCREW,CLOSE TOLERANCE

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 014236945
Codification Country
United States
Item Name Code
INC 29294
Criticality
(X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code
(N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.
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DLMS® Summary

National Stock Number 5305-01-423-6945

National Stock Number (NSN) 5305-01-423-6945, or NIIN 014236945, (screw,close tolerance) was assigned January 5, 1996 in the Federal Logistics Information System (FLIS). NIIN 014236945 was cancelled on December 15, 2017, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.

There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

This NSN is unique to one weapons system.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.

This NSN is assigned to Item Name Code (INC) 29294. [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.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5305014236945 does not contain precious metals.

This information was last updated on .


Technical Characteristics

THREAD CLASS
(AAJD) 3A
MATERIAL
(MATT) IRON ALLOY 660 OVERALL
THR
(AAJD) 3A
GRIP DIAMETER
(AAUR) 1.563 INCHES NOMINAL
THREAD DIRECTION
(AAJF) RIGHT-HAND
INTERNAL DRIVE STYLE
(ABQZ) CROSS RECESS TYPE 1
NOMINAL THREAD DIAMETER
(AHYM) 0.250 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES DESIGNATOR
(THSD) UNJF
HEAD STYLE
(AASK) FLAT COUNTERSUNK
THREAD QUANTITY PER INCH
(CMLP) 28
HEAD DIAMETER
(AASL) 0.455 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
SURFACE FINISH
(CSYM) 32.0 MICROINCHES THREADS
SURFACE TREATMENT
(SFTT) PASSIVATE OVERALL
THREAD LENGTH
(AASA) 0.400 INCHES MINIMUM AND 0.450 INCHES MAXIMUM
END ITEM IDENTIFICATION
(AGAV) E3A,KE3A
FASTENER LENGTH
(AASB) 1.988 INCHES NOMINAL
GRIP LENGTH
(ANEE) 1.563 INCHES NOMINAL
COUNTERSINK ANGLE
(CRSQ) 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
SURFACE FINISH
(CSYM) 32.0 MICROINCHES GRIP
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

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