5310-00-004-0401
Flat Washer
Find complete technical information, availability, and procurement data for NSN 5310-00-004-0401 All details are based on official government and industry records to support accurate and compliant procurement.
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.
rectangular cross-sectional shape style, 0.016 inches nominal thickness, round peripheral shape style, round center hole shape style, 0.136 inches minimum and 0.141 inches maximum hole diameter
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
- 0.136 inches minimum and 0.141 inches maximum
- Peripheral Shape Style
- round
- Center Hole Shape Style
- round
- Thickness
- 0.016 inches nominal
- Overall Diameter
- 0.370 inches minimum and 0.395 inches maximum
- Heat Treatment
- t-3 solution heat treated, cold worked
- Surface Treatment
- oxide film and anodize overall
- Surface Treatment Document And Classification
- mil-c-5541 mil spec 1st treatment response and mil-a-8625 mil spec 2nd 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 |
|---|---|
| SS5072S4 | 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
- Demilitarization
- Criticality
- Federal Item Identification Guide
- Precious Metals Indicator
- Pseudo Item Name Code
- Hazardous Material Indicator
- M - Partial descriptive - reference item identification (type 1a concept)
- 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.
- X - The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
- A022B0
- U - Precious metal content is unknown
- 0013393
- N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
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
- Less than Car Load Rating
- Rail Variation
- Water Commodity
- Type of Cargo
- Special Hand
- Air Dimension
- Air Commodity
- National Motor Freight Description
- ZG
- 194120
- Z
- 95100
- W - Rating variable
- S - 60.0
- 1
- 713 - Metal hardware
- Z - No special type of cargo code applicable
- 9 - Other or no special handling required (sh)
- A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
- VZ -
- washers/gaskets/pckg dvcs noi
FAQs
Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 5310-00-004-0401
What is the FSCG of the NSN 5310-00-004-0401?
Does NSN 5310-00-004-0401 require demilitarization?
Does NSN 5310-00-004-0401 contain precious materials?
Does NSN 5310-00-004-0401 contain hazardous materials?
When the NSN 5310-00-004-0401 was assigned to the Federal Catalog?
Need Consumables?
Running low on essential supplies? Explore our extensive catalog of high-quality consumables designed to keep your operations on track.
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:
