Product Details | RECESSED WASHER

5310-01-371-8423 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: 10122264 , 4M226B5H, 79684CC5, 79684CC-5, 5310-01-371-8423, 01-371-8423, 5310013718423, 013718423

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 25 FEB 1993 01-371-8423

Drawings & Photos | NSN 5310-01-371-8423


Cross Reference | NSN 5310-01-371-8423

Part Number Cage Code Manufacturer
4M226B5H 00AE2 PRECISE AERO PRODUCTS INC DBA PRECISE AERO PRODUCTS
4M226B5H 76301 BOEING COMPANY, THE DBA BOEING
79684CC-5 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION

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Technical Data | NSN 5310-01-371-8423

Characteristic Specifications
MATERIAL STEEL COMP H11 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION ASTM 6487,H-11 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR 38 RECESSED
HOLE DIAMETER 0.417 INCHES MINIMUM AND 0.427 INCHES MAXIMUM
RADIUS 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
OUTSIDE DIAMETER 0.608 INCHES MINIMUM AND 0.618 INCHES MAXIMUM

Restrictions/Controls & Freight Information | NSN 5310-01-371-8423

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 5310-01-371-8423

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
1
EA : Each