Product Details | FLAT WASHER

5310-01-520-5732 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: ST4M1466V, ST4M146-6V, 10317580 , 5310-01-520-5732, 01-520-5732, 5310015205732, 015205732

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 18 MAY 2004 01-520-5732

Drawings & Photos | NSN 5310-01-520-5732


Demand History | NSN 5310-01-520-5732

Part Number Request Date QTY Origin
ST4M146-6V 2024-05-135 8463 DIBBS
ST4M146-6V 2024-01-04 6429 DIBBS
ST4M146-6V 2023-12-353 6429 DIBBS
5310-01-520-5732 2013-01-06 3736 DIBBS
5310-01-520-5732 2012-10-291 8850 DIBBS
ST4M146-6V 2012-04-102 500
5310-01-520-5732 2012-04-100 500 NECO
ST4M1466V 2009-09-252 25 US

Cross Reference | NSN 5310-01-520-5732

Part Number Cage Code Manufacturer
ST4M146-6V 76301 BOEING COMPANY, THE DBA BOEING

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Technical Data | NSN 5310-01-520-5732

Characteristic Specifications
MATERIAL TITANIUM ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-T-9046,TYPE III,COMPOSITION C,CONDITION ANNEALED MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
HOLE DIAMETER 0.224 INCHES MINIMUM AND 0.234 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 0.315 INCHES MINIMUM AND 0.330 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.020 INCHES NOMINAL
SPECIAL FEATURES THESE WASHERS ARE TO BE USED WITH PIN AND COLLAR FASTNERS AND BLIND BOLTS WHERE STRUCTURE CANNOT BE CHAMFERED TO ACCEPT HEAD TO SHANK FILLETS.APPLICABLE PROCESS SPECS WILL AUTHORIZE THEIR USE
CRITICALITY CODE JUSTIFICATION AGAV
III END ITEM IDENTIFICATION F18 E/F

Restrictions/Controls & Freight Information | NSN 5310-01-520-5732

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:YThe item does not have a nuclear hardened feature but does have other critical feature(s) 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 KE Naval ICP
Philadelphia, PA 19111
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 5310-01-520-5732

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Special Material IDQEFIGHTERAIRCRAFT-FIRST(F18 E/F)
Special Material Content9 Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions
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
A
EA : Each