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NSN 5305-01-238-9040, 5305012389040
SCREW,CLOSE TOLERANCE

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 012389040
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 5305-01-238-9040

National Stock Number (NSN) 5305-01-238-9040, or NIIN 012389040, (screw,close tolerance) was assigned August 22, 1986 in the Federal Logistics Information System (FLIS). 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.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 29, 2020, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.

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 5305012389040 does not contain precious metals.

This information was last updated on .


Technical Characteristics

GRIP LENGTH
(ANEE) 0.375 INCHES NOMINAL
THREAD SERIES DESIGNATOR
(THSD) UNJF
NOMINAL THREAD DIAMETER
(AHYM) 0.156 INCHES
THREAD CLASS
(AAJD) 3A
HEAD STYLE
(AASK) FLAT COUNTERSUNK
MATERIAL
(MATT) STEEL CORROSION RESISTING OVERALL
HEAD DIAMETER
(AASL) 0.281 INCHES NOMINAL
INTERNAL DRIVE STYLE
(ABQZ) CROSS RECESS TYPE 1
THREAD DIRECTION
(AAJF) RIGHT-HAND
FASTENER LENGTH
(AASB) 0.781 INCHES NOMINAL
MINIMUM TENSILE STRENGTH
(CQBC) 180000 POUNDS PER SQUARE INCH
GRIP DIAMETER
(AAUR) 0.1250 INCHES NOMINAL
THREAD QUANTITY PER INCH
(CMLP) 32
THREAD LENGTH
(AASA) 0.375 INCHES NOMINAL
COUNTERSINK ANGLE
(CRSQ) 100.0 DEGREES NOMINAL

Manufacturer Part Numbers


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