Product Details | FLAT WASHER

5310-00-989-1778 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: FF-2-92B TY A CL A, FF292BTYACLA, FFW92B, FF-W-92B, 204011708003, 204-011-708-003, 2040117083, 204-011-708-3, 5310-00-989-1778, 00-989-1778, 5310009891778, 009891778

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-989-1778

Drawings & Photos | NSN 5310-00-989-1778


Demand History | NSN 5310-00-989-1778

Part Number Request Date QTY Origin
204011708003 2020-02-36 32 United States
FF-W-92B 2013-08-229 180 Canada
2040117083 2012-08-234 10 United States
204-011-708-3 2012-08-223 10 United States
5310-00-989-1778 2010-04-120 500 DIBBS
5310-00-989-1778 2009-11-324 30 US
FFW92B 2009-05-121 350 US
FF292BTYACLA 2007-08-226 16 US

Cross Reference | NSN 5310-00-989-1778

Part Number Cage Code Manufacturer
204-011-708-003 97499 BELL HELICOPTER TEXTRON INC.
204-011-708-3 97499 BELL HELICOPTER TEXTRON INC.
204-011-708-3 D0216 RUAG AEROSPACE SERVICES GMBH
FF-2-92B TY A CL A 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES
FF-W-92B 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES

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Technical Data | NSN 5310-00-989-1778

Characteristic Specifications
MATERIAL STEEL OVERALL
SURFACE TREATMENT CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HOLE DIAMETER 0.452 INCHES MINIMUM AND 0.457 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.053 INCHES MINIMUM AND 0.073 INCHES MAXIMUM
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE FF-W-92B
MANUFACTURERS CODE 97499
DESIGN CONTROL REFERENCE 204-011-708-3

Restrictions/Controls & Freight Information | NSN 5310-00-989-1778

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:UPrecious metal type is unknown
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 194120 WASHERS/GASKETS/PCKG DVCS NOI
Less than car load rating S 60
Less than truck load rating W Rating Variable
Water commodity Code 713 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
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