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NSN 5305-00-175-3754, 5305001753754
SCREW,SHOULDER

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 001753754
Codification Country
United States
Item Name Code
INC 22846
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 5305-00-175-3754

National Stock Number (NSN) 5305-00-175-3754, or NIIN 001753754, (screw,shoulder) was assigned December 8, 1971 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There is only one manufacturer part number associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 7 suppliers. Today, 6 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 4 suppliers are deemed design controlled or valid supply parts. 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 Jan 17, 2019. There have been 11 contracts issued for this part number, with 11 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 6 different suppliers. The last contract numbers awarded were: SPE5E219V3167, SPE5E018V0455, SPE5E218V0736, SPE5E217V5894, SPE5E017P0318. The total value of the awarded contracts has been US$ 16,220.00.

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 Feb 10, 2017, 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) 22846. [AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, NO 0 (0.060 IN.) (1.5 MM) OR LARGER. IT HAS A ROUND UNTHREADED NECK OR SHANK ALL OR PART OF WHICH IS OF GREATER DIAMETER THAN THE THREADED PORTION. THE HEAD IS DESIGNED TO BE DRIVEN WITH EITHER A WRENCH OR AN INSERTED DRIVER OR BOTH IN SIZES BELOW NO. 10 (0.190 IN.) (5 MM) NOMINAL DIAMETER. NO. 10 (0.190 IN.) (5 MM) AND LARGER SIZES MUST BE DESIGNED FOR ANY TYPE OF INSERTED DRIVER, BUT MAY ALSO PROVIDE FOR EXTERNAL WRENCHING OF THE HEAD. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. FOR ITEMS WHICH ARE BOTH SHOULDERED AND HAVE AN EXTERNALLY RELIEVED BODY, USE SCREW, EXTERNALLY RELIEVED BODY. FOR ITEMS WITH A NO. 10 (0.190 IN.) (5 MM) OR LARGER THREAD DIAMETER WITHOUT AN INSERTED DRIVER HEAD, USE BOLT, SHOULDER. EXCLUDES: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 5305001753754 contains an unknown precious metal.

This information was last updated on .


Technical Characteristics

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER
(CRZS) 1.650 INCHES NOMINAL FIRST HOLE
FASTENER LENGTH
(AASB) 1.765 INCHES MINIMUM AND 1.795 INCHES MAXIMUM
HEAD DIAMETER
(AASL) 0.885 INCHES NOMINAL
HEAD HEIGHT
(AASU) 0.100 INCHES NOMINAL
INTERNAL DRIVE STYLE
(ABQZ) HEXAGON
NOMINAL THREAD DIAMETER
(AHYM) 0.250 INCHES
SHANK UNTHREADED HOLE DIAMETER
(AAWB) 0.070 INCHES NOMINAL FIRST HOLE
SHOULDER SHAPE
(CWYB) ROUND FIRST SHOULDER
SHOULDER LENGTH
(AATX) 1.420 INCHES NOMINAL FIRST SHOULDER
THREAD CLASS
(AAJD) 3A
THREAD LENGTH
(AASA) 0.274 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
THREAD QUANTITY PER INCH
(CMLP) 28
THREAD SERIES DESIGNATOR
(THSD) UNF
WIDTH ACROSS FLATS
(ASDB) 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
WIDTH BETWEEN FLATS
(AATB) 0.750 INCHES NOMINAL

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