Product Details | FLAT WASHER

5310-01-409-0185 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: NAS1149CN432B, 5310-01-409-0185, 01-409-0185, 5310014090185, 014090185

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 03 MAR 1995 01-409-0185

Drawings & Photos | NSN 5310-01-409-0185


Demand History | NSN 5310-01-409-0185

Part Number Request Date QTY Origin
NAS1149CN432B 2023-06-165 1000 United States
NAS1149CN432B 2022-04-111 1000 United States
NAS1149CN432B 2021-09-257 1000 United States
NAS1149CN432B 2021-09-246 1000 United States
NAS1149CN432B 2019-12-351 1000 United States
NAS1149CN432B 2018-12-345 1000 United States
NAS1149CN432B 2018-12-345 2000 United States
5310-01-409-0185 2018-11-332 5000 DIBBS
5310-01-409-0185 2018-11-308 5439 DIBBS
NAS1149CN432B 2015-08-216 2000 United States
5310-01-409-0185 2015-01-26 25000 DIBBS
NAS1149CN432B 2014-11-321 2000 United States
NAS1149CN432B 2014-09-265 1000 United States
NAS1149CN432B 2014-07-190 1000 United States
NAS1149CN432B 2013-12-339 2000 United States
NAS1149CN432B 2009-05-124 100 United States
5310-01-409-0185 2009-01-06 8083 DIBBS
NAS1149CN432B 2008-10-296 100000 US
NAS1149CN432B 2008-05-137 350 US
NAS1149CN432B 2008-05-137 350 US

Cross Reference | NSN 5310-01-409-0185

Part Number Cage Code Manufacturer
NAS1149CN432B 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5310-01-409-0185

Characteristic Specifications
MATERIAL STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316 OR STEEL COMP 321 OR STEEL COMP 347 OVERALL
SURFACE TREATMENT OXIDE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
COLOR BLACK OVERALL
HOLE DIAMETER 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 0.307 INCHES MINIMUM AND 0.332 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.032 INCHES MINIMUM AND 0.039 INCHES MAXIMUM

Restrictions/Controls & Freight Information | NSN 5310-01-409-0185

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
No Freight Information