Product Details | FLAT WASHER

5310-01-343-7249 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: 8335271-01, 5310-01-343-7249, 01-343-7249, 5310013437249, 833527101, 013437249

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 16 AUG 1991 01-343-7249

Drawings & Photos | NSN 5310-01-343-7249


Cross Reference | NSN 5310-01-343-7249

Part Number Cage Code Manufacturer
8335271-01 98749 SACRAMENTO AIR LOGISTICS CENTER SM-ALC/LIIL

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Technical Data | NSN 5310-01-343-7249

Characteristic Specifications
MATERIAL NICKEL ALLOY 625 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS5666 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 0.680 INCHES NOMINAL
CENTER HOLE SHAPE STYLE 4 ROUND W/FLATS
HOLE WIDTH ACROSS FLATS 0.420 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.156 INCHES NOMINAL
SPECIAL FEATURES PART OF ENVIRONMENTAL SYS,DUCTS ENGINE BLEED ON F-111 A/C NHA 1560-01 128-7497BJ T.O. 1F-111(b)A-4-7 PART- OF SUPPORT BRACKET ASSEMBLY

Restrictions/Controls & Freight Information | NSN 5310-01-343-7249

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 U 50
Less than truck load rating U 50.0
Water commodity Code 573 unknown
Originating Activity Code TA Sacramento Air Logistics Center
McClellan AFB, CA 95652-5609
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