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NSN 5305-00-452-4755, 5305004524755
SCREW,CLOSE TOLERANCE

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 004524755
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 5305-00-452-4755

National Stock Number (NSN) 5305-00-452-4755, or NIIN 004524755, (screw,close tolerance) was assigned May 8, 1970 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are no manufacturer part numbers associated to this NSN.

This part number is actively being procured by the US Government, with procurement history within the last 90 days. There have been 14 contracts issued for this part number, with 14 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE4A624FB2GU, SPE4A624FAVC5, SPE4A623V252P, SPE4A623V4086, SPE4A622V350L. The total value of the awarded contracts has been US$ 14,637.53.

This NSN is somewhat common among different platforms, belonging to 4 different weapons systems.

There has been very little 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 Jun 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

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 5305004524755 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

FASTENER LENGTH
(AASB) 0.598 INCHES MINIMUM AND 0.628 INCHES MAXIMUM
GRIP LENGTH
(ANEE) 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
GRIP DIAMETER
(AAUR) 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
HEAD DIAMETER
(AASL) 0.360 INCHES MINIMUM AND 0.374 INCHES MAXIMUM
HEAD HEIGHT
(AASU) 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
HEAD STYLE
(AASK) PAN NO. 2
INTERNAL DRIVE STYLE
(ABQZ) HIGH-TORQUE
NOMINAL THREAD DIAMETER
(AHYM) 0.190 INCHES
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AMS 4967 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL
(MATT) TITANIUM ALLOY OVERALL
MINIMUM TENSILE STRENGTH
(CQBC) 160000 POUNDS PER SQUARE INCH
SPECIAL FEATURES
(FEAT) INTERNAL RIBBED DRIVE
THREAD CLASS
(AAJD) 2A
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD LENGTH
(AASA) 0.338 INCHES MINIMUM AND 0.388 INCHES MAXIMUM
THREAD SERIES DESIGNATOR
(THSD) UNJF
THREAD QUANTITY PER INCH
(CMLP) 32
SPECIFICATION/STANDARD DATA
(ZZZK) 80205-NAS1578 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SURFACE FINISH
(CSYM) 32.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH
(CSYM) 32.0 MICROINCHES GRIP
SURFACE FINISH
(CSYM) 32.0 MICROINCHES THREADS

Manufacturer Part Numbers


Related Inventory

NAS1578V3H4
Readily Available


 
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