Product Details | RECESSED WASHER

5310-00-241-6646 A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes WASHER, CONCAVE, RETAINER, PACKING, and thrust type washers. See also SPACER, SLEEVE; and SPACER, STEPPED.

Part Alternates: 7502791, 750279-1, 5310-00-241-6646, 00-241-6646, 5310002416646, 002416646

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 11 JUL 1969 00-241-6646

Demand History | NSN 5310-00-241-6646

Part Number Request Date QTY Origin
5310-00-241-6646 2018-07-191 283 DIBBS
5310-00-241-6646 2016-07-213 144 DIBBS
5310-00-241-6646 2016-05-136 91 DIBBS
5310-00-241-6646 2016-04-118 33 DIBBS
5310-00-241-6646 2015-02-32 14 DIBBS
5310-00-241-6646 2015-01-23 5 DIBBS
5310-00-241-6646 2015-01-12 5 DIBBS

Cross Reference | NSN 5310-00-241-6646

Part Number Cage Code Manufacturer
750279-1 80249 BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC.

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Technical Data | NSN 5310-00-241-6646

Characteristic Specifications
MATERIAL STEEL COMP 303
MATERIAL DOCUMENT AND CLASSIFICATION ASTM A582 COND A ASSN STD SINGLE MATERIAL RESPONSE OR MIL-W-52263 COND A MIL SPEC SINGLE MATERIAL RESPONSE
SURFACE TREATMENT PASSIVATE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
HARDNESS RATING NOT RATED
HOLE DIAMETER 0.335 INCHES MINIMUM AND 0.338 INCHES MAXIMUM
OUTSIDE DIAMETER 0.500 INCHES NOMINAL
RECESS DIAMETER 0.420 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
MATERIAL THICKNESS 0.102 INCHES MINIMUM AND 0.108 INCHES MAXIMUM
RECESS ANGLE 80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM

Restrictions/Controls & Freight Information | NSN 5310-00-241-6646

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
NMF Description 194160 WASHER OR GASKETS, IRON OR STEEL,
Less than car load rating
Less than truck load rating U 50.0
Water commodity Code 713 unknown
Originating Activity Code KZ Defense Supply Center Philadelphia
Philadelphia, PA 19101
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 5310-00-241-6646

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative