1. Home /
  2. Catalog /
  3. Nuts and Washers /
  4. 5310-00-004-5334

5310-00-004-5334

Flat Washer

Find complete technical information, availability, and procurement data for NSN 5310-00-004-5334 All details are based on official government and industry records to support accurate and compliant procurement.

5310-00-004-5334
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-004-5334
Item Name Code
13393
Assigment Date
05/27/1972 (54 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.

round peripheral shape style, 0.560 inches minimum and 0.570 inches maximum hole diameter, round center hole shape style, 0.245 inches minimum and 0.255 inches maximum thickness, 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
0.560 inches minimum and 0.570 inches maximum
Peripheral Shape Style
round
Center Hole Shape Style
round
Thickness
0.245 inches minimum and 0.255 inches maximum
Overall Diameter
1.379 inches minimum and 1.380 inches maximum
Heat Treatment
quenched and tempered
Material
steel comp 4140 overall
Material Document And Classification
qq-s-624 fed spec single material response overall
Surface Treatment
passivate overall
Surface Treatment Document And Classification
mil-std-171 mil std single treatment response overall

Related Parts & Specifications

This NSN includes a range of related parts designed for specific operational needs. Review each item below to find in-depth specifications, functional details, and guidance for correct application and replacement.

Part Number Name
65B10031 Flat Washer

Classification Data

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

Type of Item Identification
K - Full descriptive - reference item identification
Automatic Data Processing Point
0 - Represents items with no adp components
Demilitarization
A - 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.
Criticality
X - The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Federal Item Identification Guide
A022B0
Precious Metals Indicator
A - Item does not contain precious metal.
Pseudo Item Name Code
0013393
Hazardous Material Indicator
N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Schedule B Code
7318220000

Freight Information

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

Major Organizational Entity
SE
National Motor Freight Classification Item Number
194160
National Motor Freight Classification Sub-Item Number
X
Uniform Freight Classification Item Number
55210
National Motor Freight Class Rating
U - 50.0
Less than Car Load Rating
U - 50.0
Water Commodity
713 - Metal hardware
Type of Cargo
Z - No special type of cargo code applicable
Special Hand
Z - Other or no special handling required (sh)
Air Dimension
A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
Air Commodity
AZ -
National Motor Freight Description
washer or gaskets, iron or steel,

FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 5310-00-004-5334

What is the FSCG of the NSN 5310-00-004-5334?
The FSCG of the NSN 5310-00-004-5334 is 5310
Does the NSN 5310-00-004-5334 have a Schedule B code assigned?
Yes, the Schedule B code is 7318220000
Does NSN 5310-00-004-5334 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 5310-00-004-5334 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-00-004-5334 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 5310-00-004-5334 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Sat, May 27, 1972

Need Consumables?

Running low on essential supplies? Explore our extensive catalog of high-quality consumables designed to keep your operations on track.

Electrical Wires

Recommended for You

Discover a selection of other high-demand NSN components from our catalog. These featured parts are frequently sourced by procurement teams across defense, aerospace, and industrial sectors.

Price & Availability

Fill out the form to get accurate pricing, lead time, and stock details from our NSN specialists:

FREE

Aviation Suppliers Association Member AS9120-ISO9001 Certification

Popular Parts

Browse our top-performing parts, selected based on customer demand and procurement frequency. All listings include up-to-date specs, availability, and condition:

99454296
5305-01-567-2548
Setscrew
994544 AND A3100-6-8
4810-01-024-6198
Solenoid Valve
994544MD04-SDNH-AB
4810-01-024-6198
Solenoid Valve
994545
6750-01-427-7879
Photographic Film
99455
1660-00-719-5276
Plate Assy
99455-7
4730-00-719-5277
Special Plug
99455-8
7025-01-599-8399
Automatic Data Pr Interface Unit
994551
2010-01-436-8087
Shaft Seal Interlayer
994551 ITEM 1
3040-01-436-5802
Shouldered Shaft
994551 ITEM 2
2010-01-436-8087
Shaft Seal Interlayer
994552A/10
4330-01-435-1835
Hydraulic Power Pack
994553
6750-01-427-7880
Photographic Film
994553/12VDC
4810-00-172-8858
Directional Control Linear Valve
994553A/2
2030-01-434-4753
Steering Gear
994557-34
5970-00-226-0459
Electrical Insulation Sleeving