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NSN 5310-01-581-0458, 5310015810458
WASHER,FLAT

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 015810458
Codification Country
United States
Item Name Code
INC 13393
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 5310-01-581-0458

National Stock Number (NSN) 5310-01-581-0458, or NIIN 015810458, (washer,flat) was assigned January 5, 2010 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 3 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 3 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. ISO Group has several sources of supply for this NSN.

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 6 contracts issued for this part number, with 6 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: SPE4A625PH047, SPE4A522V2313, SPE4A622V084Y, SPE4A522V0459, SPE4A119P1081. The total value of the awarded contracts has been US$ 3,436.68.

This NSN is fairly common among different weapons systems, belonging to 15 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$ 2,400. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Nov 03, 2011, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 13393. [A WASHER HAVING A CENTRALLY LOCATED HOLE WITH A SOLID OR LAMINATED CROSS-SECTION AND TWO FLAT PARALLEL BEARING SURFACES. THE HOLE MUST BE 75 PERCENT OR LESS THAN THE LARGEST DIMENSION AND THE BEARING SURFACE FINISH IS GREATER THAN 32 MICROINCH (0.8 MICROMETER). THE THICKNESS CANNOT EXCEED 25 PERCENT OF THE LARGEST OUTSIDE DIMENSION. WHEN THE LARGEST OUTSIDE DIMENSION IS LESS THAN 1/4 INCH OR 6MM, THE THICKNESS MUST BE 0.006 INCHES (0.15MM) OR GREATER AND FOR ITEMS 1/4 INCH (6MM) OR LARGER, THE THICKNESS MUST BE 0.016 INCHES (0.4MM) OR GREATER. THE MAXIMUM TOLERANCE IS APPLIED TO DIMENSIONS AND USED AS A DETERMINING FACTOR. ITEMS WITH SEPARABLE LAMINATION USE SHIM. FOR ITEMS FABRICATED FROM CERAMIC OR ELECTRICALLY RATED MATERIALS BY SPECIFICATION OR INDUSTRY STANDARDS USE INSULATOR (1), WASHER. EXCLUDES:DISK, VALVE, GRAPHITE IMPREGNATED AND LUBRICATED ITEMS.]. 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 5310015810458 does not contain precious metals.

This NSN is associated to Schedule B 7318220000: washers other than lock washers, iron or steel. The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332722: bolt, nut, screw, rivet, and washer manufacturing.

This information was last updated on .


Technical Characteristics

III END ITEM IDENTIFICATION
(AGAV) 4230-01-555-0686, DECONTAMINATION SYS
PERIPHERAL SHAPE STYLE
(ABMW) 1 ROUND
HOLE DIAMETER
(AAUB) 6.4 MILLIMETERS NOMINAL
III PART NAME ASSIGNED BY CONTROLLING AGENCY
(CXCY) METRIC LARGE-OD STAINLESS STEEL (18-8) FLAT WASHER
THICKNESS
(ABNM) 1.4 MILLIMETERS MINIMUM AND 1.8 MILLIMETERS MAXIMUM
CROSS-SECTIONAL SHAPE STYLE
(AAGR) 1 RECTANGULAR
CENTER HOLE SHAPE STYLE
(ABMX) 1 ROUND
HARDNESS RATING
(CQFM) 80.0 ROCKWELL B NOMINAL
MATERIAL
(MATT) STEEL CORROSION RESISTING OVERALL
SPECIFICATION/STANDARD DATA
(ZZZK) D8286-DIN 9021 GOVERNMENT STANDARD
OVERALL DIAMETER
(ADAV) 18.0 MILLIMETERS NOMINAL

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