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NSN 5305-01-201-2238, 5305012012238
SCREW,CAP,HEXAGON HEAD

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 012012238
Codification Country
United States
Item Name Code
INC 18257
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 5305-01-201-2238

National Stock Number (NSN) 5305-01-201-2238, or NIIN 012012238, (screw,cap,hexagon head) was assigned February 14, 1985 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. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. 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. 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 Jun 05, 2017. There have been 3 contracts issued for this part number, with 3 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE5E217V8028, SPE5E216V4442, SPE5E216V4273. The total value of the awarded contracts has been US$ 7,178.00.

This NSN is somewhat common among different platforms, belonging to 3 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 Mar 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) 18257. [AN EXTERNALLY THREADED FASTENER DESIGNED FOR INSERTION INTO HOLES IN ASSEMBLED PARTS, FOR MATING WITH A PREFORMED INTERNAL THREAD AND FOR TIGHTENING OR RELEASING BY TORQUING THE HEAD. THE THREADED AND UNTHREADED PORTIONS ARE BOTH OF THE SAME NOMINAL DIAMETER OF 0.190 INCH (5 MM) OR LARGER. HEAD DIMENSIONS AND SIZES OF THREADED AND UNTHREADED PORTIONS SHALL CONFORM TO INTERNATIONALLY RECOGNIZED FASTENER STANDARDS. THE THREAD LENGTH BEING THE CONTROLLED DIMENSION, THE GRIP LENGTH IS NOT SPECIFIED. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. THE HEAD IS NOT DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVER OR BY THE THUMB AND FINGERS. EXCLUDES:BOLT,MACHINE; BOLT,EXTERNALLY RELIEVED BODY; 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 5305012012238 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) 4.906 INCHES MINIMUM AND 5.000 INCHES MAXIMUM
HARDNESS RATING
(CQFM) 235.0 BRINELL STANDARD MAXIMUM OVERALL
HEAD HEIGHT
(AASU) 0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM
HEAD STYLE
(AASK) HEXAGON
HOLE CONFIGURATION STYLE
(CRHC) HEXAGON LONGITUDINAL HOLE
HOLE DIAMETER
(AAUB) 0.092 INCHES MINIMUM AND 0.100 INCHES MAXIMUM
HOLE TYPE
(BQDM) DRILLED
HOLE QUANTITY
(ASXK) 1
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) 66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIAL
(MATT) STEEL COMP 403 OVERALL OR STEEL COMP 410 OVERALL OR STEEL COMP 416 OVERALL OR STEEL COMP 420 OVERALL OR STEEL COMP 429 OVERALL OR STEEL COMP 4340 OVERALL OR STEEL COMP 440A OVERALL OR STEEL COMP 440B OVERALL OR STEEL COMP 440C OVERALL OR STEEL COMP 440FSE OVERALL OR STEEL COMP 446 OVERALL
MINIMUM TENSILE STRENGTH
(CQBC) 90000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH
(CQHQ) 40000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER
(AHYM) 0.750 INCHES
SPECIAL FEATURES
(FEAT) PROVIDED WITH SNAP RING GROOVE AND GRAPHITE LUBE MIL-L-8937
THREAD CLASS
(AAJD) 2A
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD LENGTH
(AASA) 1.750 INCHES MINIMUM AND 1.938 INCHES MAXIMUM
THREAD QUANTITY PER INCH
(CMLP) 16
THREAD SERIES DESIGNATOR
(THSD) UNF
WIDTH BETWEEN FLATS
(AATB) 1.100 INCHES MINIMUM AND 1.125 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT
(SFTT) PASSIVATE OVERALL

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