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NSN 5305-01-248-4476, 5305012484476
SCREW,CAP,HEXAGON HEAD

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 012484476
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 5305-01-248-4476

National Stock Number (NSN) 5305-01-248-4476, or NIIN 012484476, (screw,cap,hexagon head) was assigned January 23, 1987 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 2 suppliers. Today, 2 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 been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 7 contracts issued for this part number, with 7 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: SPE4A624PH016, SPE4A122P0112, SPE5E319V9433, SPE5E319P1252, SPE5E719P1634. The total value of the awarded contracts has been US$ 7,082.48.

This NSN is very common among different weapons systems, belonging to 31 different platforms.

There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 2,244. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 09, 2019, this NSN's acquisition method was noted as: Not established. Not established.

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 5305012484476 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) 0.545 INCHES MINIMUM AND 0.575 INCHES MAXIMUM
HEAD HEIGHT
(AASU) 0.188 INCHES NOMINAL
HEAD STYLE
(AASK) HEXAGON
LOCKING FEATURE
(AAUM) LOCKWASHER SECONDARY WASHER
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) ASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIAL
(MATT) STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1025 OR STEEL COMP 1030 OR STEEL COMP 1035 OR STEEL COMP 1040 OR STEEL COMP 1045 OR STEEL COMP 1050 OR STEEL COMP 1095 OR STEEL COMP 1213 OR STEEL COMP 1115 OR STEEL COMP 1117 OR STEEL COMP 1118 OR STEEL COMP 1137 OR STEEL COMP 1141 OR STEEL COMP 1144 OR STEEL COMP 1151 OR STEEL COMP 12L14 OR STEEL COMP 1211 OR STEEL COMP 1212 OR STEEL COMP 1215 OR STEEL COMP 1330 OVERALL
NOMINAL THREAD DIAMETER
(AHYM) 0.112 INCHES
SPECIAL FEATURES
(FEAT) THIS SCREW IS APRT 0F A ASSEMBLY THAT CONSIST OF 2-FEMALE SCREWLOCK,4-WASHERS,2-NUTS
WIDTH BETWEEN FLATS
(AATB) 0.197 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) ASTM B633 TY 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT
(SFTT) ZINC AND CHROMATE OVERALL
THREAD CLASS
(AAJD) 2A
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD LENGTH
(AASA) 0.545 INCHES MINIMUM AND 0.575 INCHES MAXIMUM
THREAD QUANTITY PER INCH
(CMLP) 40
THREAD SERIES DESIGNATOR
(THSD) UNC
MATERIAL
(MATT) STEEL COMP 1008 OVERALL OR STEEL COMP 1010 OVERALL OR STEEL COMP 1015 OVERALL OR STEEL COMP 1016 OVERALL OR STEEL COMP 1017 OVERALL OR STEEL COMP 1018 OVERALL OR STEEL COMP 1019 OVERALL OR STEEL COMP 1020 OVERALL OR STEEL COMP 1021 OVERALL OR STEEL COMP 1022 OVERALL OR STEEL COMP 1025 OVERALL OR STEEL COMP 1030 OVERALL OR STEEL COMP 1035 OVERALL OR STEEL COMP 1040 OVERALL OR STEEL COMP 1045 OVERALL OR STEEL COMP 1050 OVERALL OR STEEL COMP 1095 OVERALL OR STEEL COMP 1213 OVERALL OR STEEL COMP 1115 OVERALL OR STEEL COMP 1117 OVERALL OR STEEL COMP 1118 OVERALL OR STEEL COMP 1137 OVERALL OR STEEL COMP 1141 OVERALL OR STEEL COMP 1144 OVERALL OR STEEL COMP 1151 OVERALL OR STEEL COMP 12L14 OVERALL OR STEEL COMP 1211 OVERALL OR STEEL COMP 1212 OVERALL OR STEEL COMP 1213 OVERALL OR STEEL COMP 1215 OVERALL OR STEEL COMP 1330 OVERALL
SURFACE TREATMENT
(SFTT) ZINC OVERALL AND CHROMATE OVERALL

Manufacturer Part Numbers


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