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NSN 5305-01-325-1498, 5305013251498
SCREW,MACHINE

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 013251498
Codification Country
United States
Item Name Code
INC 06657
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 5305-01-325-1498

National Stock Number (NSN) 5305-01-325-1498, or NIIN 013251498, (screw,machine) was assigned August 28, 1990 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. ISO Group has several sources of supply for this NSN.

This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Jun 13, 2018. There have been 12 contracts issued for this part number, with 12 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 10 different suppliers. The last contract numbers awarded were: SPE5E318V6415, SPE5E318P0350, SPE5EY17D0515, SPE5E317P0395, SPE5E216V5681. The total value of the awarded contracts has been US$ 72,693.69.

This NSN is somewhat common among different platforms, belonging to 6 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 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) 06657. [AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, NO 0 (0.060 IN./1.5 MM) OR LARGER, DESIGNED TO BE HELD OR DRIVEN WITH EITHER A WRENCH OR AN INSERTED DRIVER OR BOTH (EXCLUDING INTERNAL SOCKET OR INTERNAL MULTIPLE SPLINE TYPES), IN SIZES BELOW NO. 10 (0.190 IN./5 MM). NO. 10 AND LARGER SIZES MUST HAVE A HEAD DESIGNED FOR ANY TYPE INSERTED DRIVER (EXCLUDING INTERNAL SOCKET OR INTERNAL MULTIPLE SPLINE TYPES), BUT MAY ALSO BE DESIGNED FOR EXTERNAL WRENCHING. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. EXCLUDES BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; AND SCREW, ASSEMBLED WASHER. SEE ALSO, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; AND SCREW, CAP SOCKET HEAD.]. 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 5305013251498 does not contain precious metals.

This NSN is associated to Schedule B 7415338550: other copper screws (not for wood) bolts and nuts. The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332722: bolt, nut, screw, rivet, and washer manufacturing.

This information was last updated on .


Technical Characteristics

COUNTERSINK ANGLE
(CRSQ) 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
FASTENER LENGTH
(AASB) 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM
HEAD DIAMETER
(AASL) 0.452 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
HEAD STYLE
(AASK) FLAT COUNTERSUNK
INTERNAL DRIVE STYLE
(ABQZ) SLOT
MINIMUM TENSILE STRENGTH
(CQBC) 90000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER
(AHYM) 0.250 INCHES
SCREW MATERIAL DOCUMENT AND CLASSIFICATION
(CYAW) ASTM B124 ASSN STD 1ST MATERIAL RESPONSE OR ASTM B150 ASSN STD 2ND MATERIAL RESPONSE OR ASTM B169 ASSN STD 3RD MATERIAL RESPONSE OR ASTM B283 ASSN STD 4TH MATERIAL RESPONSE
SCREW MATERIAL
(CYAU) COPPER ALLOY 630 OR COPPER ALLOY 614 OR COPPER ALLOY 606 OR COPPER ALLOY 642
THREAD CLASS
(AAJD) 2A
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD LENGTH
(AASA) 0.482 INCHES MINIMUM AND 0.612 INCHES MAXIMUM
THREAD SERIES DESIGNATOR
(THSD) UNC
THREAD QUANTITY PER INCH
(CMLP) 20

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