137301-105
Flat Washer
This page provides complete and verified information for part number 137301-105, NSN 5310-00-059-5291
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.
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, 0.032 inches nominal thickness, round center hole shape style, round peripheral shape style, 0.192 inches minimum and 0.198 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
- 0.192 inches minimum and 0.198 inches maximum
- Peripheral Shape Style
- round
- Center Hole Shape Style
- round
- Thickness
- 0.032 inches nominal
- Overall Diameter
- 0.459 inches minimum and 0.479 inches maximum
- Minimum Tensile Strength
- 75000 pounds per square inch
- Surface Finish
- 63.0 microinches bottom
- Surface Finish
- 63.0 microinches top
- Material
- steel comp 321 or steel comp 348 or steel comp 303 overall
- Material Document And Classification
- mil-s-6721 mil spec 1st material response or qq-s-763 fed spec 1st material response and mil-s-6721 mil spec 2nd material response and qq-s-763 fed spec 3rd material response overall
- Surface Treatment
- passivate overall
- Surface Treatment Document And Classification
- qq-p-35 fed spec single treatment response overall
- Specification/Standard Data
- 80205-nas1587 professional/industrial association standard
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
- 1 - Full descriptive item identification
- 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.
- 7318220000
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
- KZ
- 194160
- X
- 55210
- U - 50.0
- 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.
- BZ -
- 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 137301-105
What is the FSCG of the NSN 5310-00-059-5291?
Does the NSN 5310-00-059-5291 have a Schedule B code assigned?
Does NSN 5310-00-059-5291 require demilitarization?
Does NSN 5310-00-059-5291 contain precious materials?
Does NSN 5310-00-059-5291 contain hazardous materials?
When the NSN 5310-00-059-5291 was assigned to the Federal Catalog?
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