Product Details | FLAT WASHER

5310-01-170-8526 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: 52104001, 5210400-1, 5310-01-170-8526, 01-170-8526, 5310011708526, 011708526

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 30 JAN 1984 01-170-8526

Drawings & Photos | NSN 5310-01-170-8526


Demand History | NSN 5310-01-170-8526

Part Number Request Date QTY Origin
5310-01-170-8526 2025-09-252 473 DIBBS
5310-01-170-8526 2023-12-361 571 DIBBS
5310-01-170-8526 2023-10-283 38 DIBBS
5310-01-170-8526 2023-10-283 70 DIBBS
5310-01-170-8526 2022-02-46 212 DIBBS
5310-01-170-8526 2021-11-319 52 DIBBS
5310-01-170-8526 2021-10-284 30 DIBBS
5310-01-170-8526 2021-03-81 70 DIBBS
5310-01-170-8526 2020-12-362 90 DIBBS
5310-01-170-8526 2020-10-281 188 DIBBS
5310-01-170-8526 2020-10-280 70 DIBBS
5310-01-170-8526 2020-07-211 68 DIBBS
5310-01-170-8526 2020-02-51 131 DIBBS
5310-01-170-8526 2019-12-342 182 DIBBS
5310-01-170-8526 2018-05-150 261 DIBBS
5310-01-170-8526 2017-04-106 247 DIBBS
5310-01-170-8526 2015-07-210 223 DIBBS
5310-01-170-8526 2014-07-187 133 DIBBS
5310-01-170-8526 2013-05-126 27 DIBBS

Cross Reference | NSN 5310-01-170-8526

Part Number Cage Code Manufacturer
5210400-1 53711 NAVAL SEA SYSTEMS COMMAND

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Technical Data | NSN 5310-01-170-8526

Characteristic Specifications
MATERIAL STEEL COMP 316 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OR ASTM A276,COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HOLE DIAMETER 1.000 INCHES NOMINAL
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 1.500 INCHES NOMINAL
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.060 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 5310-01-170-8526

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.
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 5310-01-170-8526

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