Product Details | FLAT WASHER

5310-01-591-1396 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: MS2129912K, MS21299-12K, NASM21299, 5310-01-591-1396, 01-591-1396, 5310015911396, 015911396

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 12 JAN 2011 01-591-1396

Drawings & Photos | NSN 5310-01-591-1396


Demand History | NSN 5310-01-591-1396

Part Number Request Date QTY Origin
5310-01-591-1396 2012-10-279 40 United States
5310-01-591-1396 2012-10-278 40 United States
NASM21299 2008-09-274 100 US
MS2129912K 2008-04-94 120 US

Cross Reference | NSN 5310-01-591-1396

Part Number Cage Code Manufacturer
MS21299-12K 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
MS21299-12K 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
NASM21299 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5310-01-591-1396

Characteristic Specifications
MATERIAL STEEL COMP 630 OVERALL
CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5604, 17-4PH, CONDITION H1025 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
PERIPHERAL SHAPE STYLE ROUND
OVERALL DIAMETER 1.423 INCHES MINIMUM AND 1.433 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE ROUND
SURFACE TREATMENT PASSIVATE OVERALL
THICKNESS 0.062 INCHES NOMINAL
HOLE DIAMETER 0.752 INCHES MINIMUM AND 0.756 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION AMS 2700, METHOD I, CLASS 4 ASSN STD SINGLE TREATMENT RESPONSE OVERALL

Restrictions/Controls & Freight Information | NSN 5310-01-591-1396

Category Code Description
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.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
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