4002240-1

Flat Washer

This page provides complete and verified information for part number 4002240-1, NSN 5310-01-059-3608

You’ll find detailed technical specifications, product attributes, condition classification, and real-time stock availability. All data is based on official records and meets industry standards for defense, aerospace, and industrial sourcing. Whether you’re performing a parts audit, validating compliance, or preparing a purchase order, this part listing supports accurate and efficient procurement.

Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-059-3608

Item Name Code

13393

Assigment Date

04/10/1978 (48 years ago)

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.

0.312 inches nominal thickness, round peripheral shape style, 0.656 inches nominal hole diameter, round center hole shape style, rectangular cross-sectional shape style

Characteristics

Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.

Cross-Sectional Shape Style: rectangular
Hole Diameter: 0.656 inches nominal
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.312 inches nominal
Overall Diameter: 1.250 inches nominal
Material: aluminum alloy 6061 overall
Material Document And Classification: qq-250/11 temper t651 fed spec single material response overall

Classification Data

Detailed NSN information including identification codes, classification data, and key indicators used for cataloging, logistics, and supply management.

Type of Item Identification
Demilitarization
Criticality
Federal Item Identification Guide
Precious Metals Indicator
Pseudo Item Name Code
Hazardous Material Indicator
Schedule B Code

Freight Information

Comprehensive freight classifications, shipping codes, and handling specifications for domestic and international transport compliance.

Major Organizational Entity
National Motor Freight Classification Item Number
National Motor Freight Classification Sub-Item Number
Uniform Freight Classification Item Number
National Motor Freight Class Rating
Water Commodity
Type of Cargo
Special Hand
Air Dimension
Air Commodity
National Motor Freight Description

FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 4002240-1

What is the FSCG of the NSN 5310-01-059-3608?

The FSCG of the NSN 5310-01-059-3608 is 5310

Does the NSN 5310-01-059-3608 have a Schedule B code assigned?

Yes, the Schedule B code is 7616108000

Does NSN 5310-01-059-3608 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5310-01-059-3608 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-059-3608 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5310-01-059-3608 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Mon, Apr 10, 1978