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NSN 5305-00-042-0991, 5305000420991
Cancelled -> Replaced by 5305007951250

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 000420991
Codification Country
United States
Item Name Code
INC 06660
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.
Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS® Summary

National Stock Number 5305-00-042-0991

National Stock Number (NSN) 5305-00-042-0991, or NIIN 000420991, (screw,assembled washer) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 6 stock numbers. Five of the National Stock Numbers that it replaces are: 5305006997008, 5305000186410, 5305000420915, 5305002829836, 5305007179526.

There are 5 manufacturer part numbers associated with this NSN. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of May 13, 2014. There have been 4 contracts issued for this part number, with 4 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE5E214V7406, SPE5E214V6894, SPM5E213MQC16, SPM5A210M0161. The total value of the awarded contracts has been US$ 4,335.00.

This NSN is somewhat common among different platforms, belonging to 7 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 Jun 02, 2005, 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) 06660. [A SCREW, (AS MODIFIED) TO WHICH HAS BEEN ASSEMBLED ONE OR MORE NONREMOVABLE WASHER(S).]. 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 5305000420991 contains an unknown precious metal.

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) 0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
HEAD HEIGHT
(AASU) 0.160 INCHES MINIMUM AND 0.175 INCHES MAXIMUM
HEAD DIAMETER
(AASL) 0.443 INCHES MINIMUM AND 0.472 INCHES MAXIMUM
HEAD STYLE
(AASK) ROUND
INTERNAL DRIVE STYLE
(ABQZ) SLOT
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) 66,1010-1020 FED STD SINGLE MATERIAL RESPONSE FASTENER
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) SAE ASSN STD SINGLE MATERIAL RESPONSE PRIMARY WASHER
MATERIAL
(MATT) STEEL COMP 1050 PRIMARY WASHER
MATERIAL
(MATT) STEEL FASTENER
NOMINAL THREAD DIAMETER
(AHYM) 0.250 INCHES
PRIMARY WASHER MATERIAL THICKNESS
(CTJJ) 0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM
PRIMARY WASHER OUTSIDE DIAMETER
(CSPG) 0.460 INCHES MINIMUM AND 0.475 INCHES MAXIMUM
PRIMARY WASHER STYLE
(CTHW) FLAT EXTERNAL TEETH
WASHER QUANTITY
(AAVW) 1
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) QQ-Z-325,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE PRIMARY WASHER
SURFACE TREATMENT
(SFTT) CADMIUM FASTENER
SURFACE TREATMENT
(SFTT) ZINC PRIMARY WASHER
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD CLASS
(AAJD) 2A
THREAD LENGTH
(AASA) 0.369 INCHES MINIMUM AND 0.469 INCHES MAXIMUM
THREAD SERIES DESIGNATOR
(THSD) UNC
THREAD QUANTITY PER INCH
(CMLP) 20

Manufacturer Part Numbers

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