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NSN 5305-01-241-0202, 5305012410202
SCREW,CLOSE TOLERANCE

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 012410202
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.
Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS® Summary

National Stock Number 5305-01-241-0202

National Stock Number (NSN) 5305-01-241-0202, or NIIN 012410202, (screw,close tolerance) was assigned September 20, 1986 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 6 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 9 suppliers. Today, 7 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 6 suppliers are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Jul 19, 2011. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPM5A011M1985. The total value of the awarded contracts has been US$ 1,120.00.

This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.

There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 12, 2013, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) 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 5305012410202 does not contain precious metals.

This NSN is associated to Schedule B 8109900000: zirconium and articles thereof nesoi. The Schedule B End Use is listed as finished metal shapes. NAICS classification category 331491: nonferrous metal (except copper and aluminum) rolling, drawing, and extruding.

This information was last updated on .


Technical Characteristics

COUNTERSINK ANGLE
(CRSQ) 100.0 DEGREES MAXIMUM
FASTENER LENGTH
(AASB) 1.265 INCHES MINIMUM AND 1.312 INCHES MAXIMUM
GRIP LENGTH
(ANEE) 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM
GRIP DIAMETER
(AAUR) 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
HEAD DIAMETER
(AASL) 0.502 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
HEAD HEIGHT
(AASU) 0.071 INCHES MINIMUM AND 0.073 INCHES MAXIMUM
HEAD STYLE
(AASK) FLAT COUNTERSUNK UNDERCUT
INTERNAL DRIVE STYLE
(ABQZ) HIGH-TORQUE
NOMINAL THREAD DIAMETER
(AHYM) 0.250 INCHES
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AMS 4967 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL
(MATT) TITANIUM ALLOY OVERALL
THREAD CLASS
(AAJD) 3A
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD LENGTH
(AASA) 0.443 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
THREAD SERIES DESIGNATOR
(THSD) UNJF
THREAD QUANTITY PER INCH
(CMLP) 28
SURFACE FINISH
(CSYM) 32.0 MICROINCHES GRIP

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