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NSN 5305-00-017-6174, 5305000176174
SCREW,SHOULDER

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 000176174
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 5305-00-017-6174

National Stock Number (NSN) 5305-00-017-6174, or NIIN 000176174, (screw,shoulder) was assigned May 24, 1968 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers 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 5 years.

This NSN is unique to one weapons system.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 14, 2014, 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) 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 5305000176174 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

FASTENER LENGTH
(AASB) 3.625 INCHES NOMINAL
HARDNESS RATING
(CQFM) 39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER
(AASL) 1.438 INCHES NOMINAL
HEAD HEIGHT
(AASU) 1.000 INCHES NOMINAL
HEAD STYLE
(AASK) FLAT CHAMFER
INTERNAL DRIVE STYLE
(ABQZ) HEXAGON
MATERIAL
(MATT) STEEL COMP 4340 OVERALL
MINIMUM TENSILE STRENGTH
(CQBC) 180000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER
(AHYM) 0.750 INCHES
SHOULDER DIAMETER
(AATN) 0.9955 INCHES MINIMUM AND 0.9985 INCHES MAXIMUM FIRST SHOULDER
SHOULDER SHAPE
(CWYB) ROUND FIRST SHOULDER
SHOULDER LENGTH
(AATX) 2.906 INCHES MINIMUM AND 2.921 INCHES MAXIMUM FIRST SHOULDER
PART NAME ASSIGNED BY CONTROLLING AGENCY
(CXCY) NAVY SPECIAL PROJECT
THREAD CLASS
(AAJD) 3A
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD LENGTH
(AASA) 0.704 INCHES MINIMUM AND 0.719 INCHES MAXIMUM
THREAD QUANTITY PER INCH
(CMLP) 16
THREAD SERIES DESIGNATOR
(THSD) UNF
WIDTH ACROSS FLATS
(ASDB) 0.750 INCHES MINIMUM AND 0.754 INCHES MAXIMUM
SURFACE TREATMENT
(SFTT) CADMIUM OVERALL
III PART NAME ASSIGNED BY CONTROLLING AGENCY
(CXCY) NAVY SPECIAL PROJECT

Manufacturer Part Numbers


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