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NSN 5305-01-618-5873, 5305016185873
SCREW,EXTERNALLY RELIEVED BODY

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 016185873
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 5305-01-618-5873

National Stock Number (NSN) 5305-01-618-5873, or NIIN 016185873, (screw,externally relieved body) was assigned April 29, 2013 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. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 9 suppliers. Today, 9 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 8 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 2 different weapons systems.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 30, 2013, 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 5305016185873 does not contain precious metals.

This information was last updated on .


Technical Characteristics

EXTERNALLY RELIEVED BODY DIAMETER QUANTITY
(CSNG) 1
FASTENER LENGTH
(AASB) 0.969 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD
(AAWC) 0.187 INCHES MINIMUM AND 0.197 INCHES MAXIMUM
HEAD DIAMETER
(AASL) 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD HEIGHT
(AASU) 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
HEAD STYLE
(AASK) FLAT FILLISTER
INTERNAL DRIVE STYLE
(ABQZ) HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) 300 SERIES STAINLESS STEEL IAW QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OR FED-STD-66 FED STD 1ST MATERIAL RESPONSE OR 16:18 OR 18:18 CHROME-NICKEL ALLOY STEEL(MUST BE EQUAL TO/INTERCHANGEABLE WITH 300 SERIES STAINLESS STEEL) MFR REF 2ND MATERIAL RESPONSE OVERALL
MATERIAL
(MATT) STEEL CORROSION RESISTING OR CHROMIUM AND NICKEL OVERALL
MINIMUM TENSILE STRENGTH
(CQBC) 80000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER
(AHYM) 0.2500 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCY
(CXCY) SCREW,EXTERNALLY RELIEVED SHANK,SOCKET HEAD CAP,CRES
THREAD CLASS
(AAJD) 3A
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD LENGTH
(AASA) 0.417 INCHES MINIMUM AND 0.437 INCHES MAXIMUM
THREAD QUANTITY PER INCH
(CMLP) 28
THREAD SERIES DESIGNATOR
(THSD) UNF
WIDTH ACROSS FLATS
(ASDB) 0.188 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT
(SFTT) PASSIVATE OVERALL

Manufacturer Part Numbers


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