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NSN 5305-00-042-5578, 5305000425578
SCREW,ASSEMBLED WASHER

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 000425578
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 5305-00-042-5578

National Stock Number (NSN) 5305-00-042-5578, or NIIN 000425578, (screw,assembled washer) was assigned January 1, 1963 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 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, with the most recent procurement date of Jun 19, 2018. There have been 5 contracts issued for this part number, with 5 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE5E218V8692, SPE5E214V5730, SPM5E212M3216, SPM5E212V1565, SPM5A212M0443. The total value of the awarded contracts has been US$ 931.15.

This NSN is somewhat common among different platforms, belonging to 4 different weapons systems.

There has been a small amount of 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 May 15, 2018, this NSN's acquisition method was noted as: Acquire, for the first time, directly from the actual manufacturer rather than the prime contractor who is not the actual manufacturer. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.

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 5305000425578 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) 0.406 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
HEAD HEIGHT
(AASU) 0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
HEAD STYLE
(AASK) HEXAGON
INTERNAL DRIVE STYLE
(ABQZ) SLOT
NOMINAL THREAD DIAMETER
(AHYM) 0.250 INCHES
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) SAE ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIAL
(MATT) STEEL COMP 1010 OVERALL OR STEEL COMP 1020 OVERALL OR STEEL COMP 1050 OVERALL
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
THREAD CLASS
(AAJD) 2A
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD LENGTH
(AASA) 0.335 INCHES MINIMUM AND 0.406 INCHES MAXIMUM
THREAD QUANTITY PER INCH
(CMLP) 28
THREAD SERIES DESIGNATOR
(THSD) UNF
WASHER QUANTITY
(AAVW) 1
WIDTH BETWEEN FLATS
(AATB) 0.428 INCHES MINIMUM AND 0.437 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) NAS672 80205 ASSN STD ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENT
(SFTT) CADMIUM OVERALL

Manufacturer Part Numbers


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