Product Details | RECESSED WASHER

5310-01-340-4649 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: 70209-81102-107, 5310-01-340-4649, 01-340-4649, 5310013404649, 7020981102107, 013404649

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 13 JUN 1991 01-340-4649

Drawings & Photos | NSN 5310-01-340-4649


Cross Reference | NSN 5310-01-340-4649

Part Number Cage Code Manufacturer
70209-81102-107 78286 SIKORSKY AIRCRAFT CORPORATION

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Technical Data | NSN 5310-01-340-4649

Characteristic Specifications
MATERIAL STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1023 OR STEEL COMP 1524 OR STEEL COMP 1025 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION ASTM A570 ASSN STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT CADMIUM AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY2,CL2 FED SPEC ALL TREATMENT RESPONSES OVERALL
STYLE DESIGNATOR 15 RECESS
HOLE DIAMETER 0.315 INCHES MINIMUM AND 0.324 INCHES MAXIMUM
OUTSIDE DIAMETER 0.727 INCHES MINIMUM AND 0.749 INCHES MAXIMUM
RECESS DIAMETER 0.396 INCHES MINIMUM AND 0.406 INCHES MAXIMUM
MATERIAL THICKNESS 0.063 INCHES NOMINAL
RECESS ANGLE 90.0 DEGREES NOMINAL

Restrictions/Controls & Freight Information | NSN 5310-01-340-4649

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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 095190 HARDWARE, NOI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 573 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 5310-01-340-4649

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
Purchasing QTY
UOM
M
EA : Each