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NSN 5305-00-978-7943, 5305009787943
Cancelled -> Replaced by 5305000097716

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 009787943
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 5305-00-978-7943

National Stock Number (NSN) 5305-00-978-7943, or NIIN 009787943, (screw,externally relieved body) was assigned October 14, 1966 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5305000097716.

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 7 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

This NSN is somewhat common among different platforms, belonging to 8 different weapons systems.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 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) 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 5305009787943 contains an unknown precious metal.

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) 0.532 INCHES MINIMUM AND 0.552 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY
(CSNG) 1
FASTENER LENGTH
(AASB) 0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD
(AAWC) 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
HEAD DIAMETER
(AASL) 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
HEAD HEIGHT
(AASU) 0.102 INCHES NOMINAL
HEAD STYLE
(AASK) FILLISTER
INTERNAL DRIVE STYLE
(ABQZ) SLOT
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) ASTM A581 ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIAL
(MATT) STEEL COMP 303 OR STEEL COMP 303 PLUS X OR STEEL COMP 303MA OR STEEL COMP 303SE OVERALL
NOMINAL THREAD DIAMETER
(AHYM) 0.164 INCHES
SURFACE TREATMENT
(SFTT) PASSIVATE OVERALL
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD LENGTH
(AASA) 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM
THREAD CLASS
(AAJD) 2A
THREAD SERIES DESIGNATOR
(THSD) UNC
THREAD QUANTITY PER INCH
(CMLP) 32
MATERIAL
(MATT) STEEL COMP 303 OVERALL OR STEEL COMP 303 PLUS X OVERALL OR STEEL COMP 303MA OVERALL OR STEEL COMP 303SE OVERALL

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