Product Details | FLAT WASHER

5310-00-849-8970 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: K8831, 6864088, 5310-00-849-8970, 00-849-8970, 5310008498970, 008498970

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 27 SEP 1967 00-849-8970

Drawings & Photos | NSN 5310-00-849-8970


Demand History | NSN 5310-00-849-8970

Part Number Request Date QTY Origin
K8831 2021-07-207 71 Malaysia
K8831 2017-05-145 371 Malaysia
5310-00-849-8970 2017-05-139 371 Malaysia

Cross Reference | NSN 5310-00-849-8970

Part Number Cage Code Manufacturer
6864088 73342 ALLISON TRANSMISSION, INC.
6864088 K0680 ROLLS-ROYCE AIRLINES
K8831 K0680 ROLLS-ROYCE AIRLINES

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Technical Data | NSN 5310-00-849-8970

Characteristic Specifications
MATERIAL STEEL COMP 347 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5512 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING 26.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM
HOLE DIAMETER 0.195 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 0.400 INCHES MINIMUM AND 0.405 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.018 INCHES MINIMUM AND 0.020 INCHES MAXIMUM
III HEAT TREATMENT AS FABRICATED
MANUFACTURERS CODE 73342
DESIGN CONTROL REFERENCE 6864088

Restrictions/Controls & Freight Information | NSN 5310-00-849-8970

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:AItem does not contain precious metal
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

Management | NSN 5310-00-849-8970

Category Code Description
Cognizance Codes9ZNavy-owned stocks of defense industrial material
Naval Inventory Control Point, Mechanicsburg
Source of SupplyS9IDefense Industrial Supply Center
Philadelphia, PA 19111
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
A
EA : Each