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NSN 5305-01-248-5731, 5305012485731
SCREW,EXTERNALLY RELIEVED BODY

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 012485731
Codification Country
United States
Item Name Code
INC 01852
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 5305-01-248-5731

National Stock Number (NSN) 5305-01-248-5731, or NIIN 012485731, (screw,externally relieved body) was assigned January 26, 1987 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 2 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. 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 a year. There have been 9 contracts issued for this part number, with 13 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE4A622V230D, SPE4A621PU468, SPE5E219V3088, SPE5E218V3369, SPE5E218V3369. The total value of the awarded contracts has been US$ 24,230.46.

This NSN is somewhat common among different platforms, belonging to 6 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 Apr 02, 2006, 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) 01852. [AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, AND WHOSE UNTHREADED PORTION HAS BEEN MACHINED OR GROUND IN ONE OR MORE PLACES OR OVER ITS ENTIRE LENGTH TO A MAXIMUM DIAMETER LESS THAN THE MINIMUM PITCH DIAMETER OF THE THREAD (EXCLUDES:UNDERCUT FOR THREAD RELIEF). IT IS NO. 0 (0.060 IN.) (1.5 MM) OR LARGER, AND IS DESIGNED TO BE HELD OR DRIVEN WITH EITHER A WRENCH OR INSERTED DRIVER (EXCLUDING INTERNAL SOCKET AND MULTIPLE SPLINE TYPES) OR BOTH IN SIZES BELOW NO. 10 (0.190 IN.) (5 MM) AND LARGER SIZES MUST HAVE A HEAD DESIGNED FOR ANY TYPE INSERTED DRIVER (EXCLUDING INTERNAL SOCKET AND 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. SEE ALSO BOLT, EXTERNALLY RELIEVED BODY AND BOLT, INTERNAL WRENCHING.]. 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 5305012485731 does not contain precious metals.

This NSN is associated to Schedule B 7318152000: bolts and bolts and their nuts or washers exported in the same shipment. The Schedule B End Use is listed as iron and steel products, other. NAICS classification category 332722: bolt, nut, screw, rivet, and washer manufacturing.

This information was last updated on .


Technical Characteristics

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER
(AAWH) 0.110 INCHES NOMINAL
COUNTERSINK ANGLE
(CRSQ) 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY
(CSNG) 1
FASTENER LENGTH
(AASB) 0.500 INCHES NOMINAL
FIRST DIAMETER FROM HEAD
(AAWC) 0.134 INCHES NOMINAL
HEAD DIAMETER
(AASL) 0.385 INCHES NOMINAL
HEAD HEIGHT
(AASU) 0.080 INCHES NOMINAL
HEAD STYLE
(AASK) FLAT COUNTERSUNK UNDERCUT
INTERNAL DRIVE STYLE
(ABQZ) CROSS RECESS TYPE 1
LOCKING FEATURE
(AAUM) PATCH THREADS
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) FED-STD66 FED STD ALL MATERIAL RESPONSES FASTENER
MATERIAL
(MATT) PLASTIC POLYAMIDE LOCKING FEATURE
MATERIAL
(MATT) STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 FASTENER
MINIMUM TENSILE STRENGTH
(CQBC) 80000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER
(AHYM) 0.190 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) MIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENT
(SFTT) PASSIVATE FASTENER
THREAD CLASS
(AAJD) 2A
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD LENGTH
(AASA) 0.310 INCHES NOMINAL
THREAD QUANTITY PER INCH
(CMLP) 24
THREAD SERIES DESIGNATOR
(THSD) UNC
MATERIAL
(MATT) STEEL COMP 302 FASTENER OR STEEL COMP 303 FASTENER OR STEEL COMP 304 FASTENER OR STEEL COMP 305 FASTENER OR STEEL COMP 316 FASTENER

Manufacturer Part Numbers


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