Product Details | RECESSED WASHER

5310-01-388-4467 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: DIN128A3, DIN128-A3, DIN128-A3-1.4310, DIN128A314310, 5310-01-388-4467, 01-388-4467, 5310013884467, 013884467

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 31 MAR 1994 01-388-4467

Cross Reference | NSN 5310-01-388-4467

Part Number Cage Code Manufacturer
DIN128-A3 6Y603 FABORY USA LTD.
DIN128-A3-1.4310 D8286 DIN DEUTSCHES INSTITUT FUER NORMUNGEV

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Technical Data | NSN 5310-01-388-4467

Characteristic Specifications
MATERIAL STEEL OVERALL
HARDNESS RATING 44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM
HOLE DIAMETER 3.1 MILLIMETERS MINIMUM AND 3.4 MILLIMETERS MAXIMUM
OUTSIDE DIAMETER 6.2 MILLIMETERS MAXIMUM
OVERALL HEIGHT 1.1 MILLIMETERS MINIMUM AND 1.3 MILLIMETERS MAXIMUM
MATERIAL THICKNESS 0.6 MILLIMETERS MINIMUM AND 0.8 MILLIMETERS MAXIMUM
SPECIAL FEATURES SPRING WASHER , TY A; CURVED.

Restrictions/Controls & Freight Information | NSN 5310-01-388-4467

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 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 5310-01-388-4467

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