Product Details | FLAT WASHER

5310-00-186-4950 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.

Part Alternates: 1250, 62000920, 885429, 5310-00-186-4950, 00-186-4950, 5310001864950, 001864950

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01-JAN-63 00-186-4950

Drawings & Photos | NSN 5310-00-186-4950


Demand History | NSN 5310-00-186-4950

Part Number Request Date QTY Origin
1250 2013-10-290 1
1250 2013-10-290 1

Cross Reference | NSN 5310-00-186-4950

Part Number Cage Code Manufacturer
000-8000-043 13499 ROCKWELL COLLINS, INC. DBA GOVERNMENT SYSTEMS
10430-1 12909 CARDION INC
10430-1 20284 TARGET CORPORATION DBA TARGET
1250 83330 DIALIGHT CORPORATION
1250 91967 ABBATRON, LLC DIV ABBATRON LLC
2160 83330 DIALIGHT CORPORATION
2160 91967 ABBATRON, LLC DIV ABBATRON LLC
404968 15230 NSGDATACOM, INC. DBA NETRIX/PROTEON
420-73-0009 82577 RAYTHEON COMPANY DBA RAYTHEON
5254-628 05869 RAYTHEON COMPANY DBA RAYTHEON

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Technical Data | NSN 5310-00-186-4950

Characteristic Specifications
MATERIAL CELLULOSE OVERALL
HOLE DIAMETER 0.136 INCHES NOMINAL
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 0.250 INCHES NOMINAL
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.062 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 5310-00-186-4950

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information