5310-00-662-0187
Flat Washer
Find complete technical information, availability, and procurement data for NSN 5310-00-662-0187 All details are based on official government and industry records to support accurate and compliant procurement.
An item of any peripheral shape usually having one flat or spherical surface and a centrally located hole. It is designed for applications involving moving (kinetic) loads. Except for items fabricated from bearing quality synthetic (plastic) or composed of multilayer material, one bearing surface must either have a specific surface finish designation of 32 microinch (0.8 micrometre) or less, arithmetical average (aa) (arithmetic mean deviation) or one of the following conditions: be lapped or ground; have visible or detectable means of lubrication; grooves, indentations; or self-lubrication. The thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance). Excludes:straight, tubular (without flange) items having a bearing surface(s) parallel to the axis of the bore only. See also washer, flat and spacer, sleeve.
round peripheral shape style, 0.032 inches nominal thickness, 0.315 inches minimum and 0.321 inches maximum hole diameter, rectangular cross-sectional shape style, round center hole 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
- 0.315 inches minimum and 0.321 inches maximum
- Peripheral Shape Style
- round
- Center Hole Shape Style
- round
- Thickness
- 0.032 inches nominal
- Overall Diameter
- 0.490 inches minimum and 0.510 inches maximum
- Material
- steel comp 301 or steel comp 302 or steel comp 303 or steel comp 316 or steel comp 321 overall
Replaces National Stock Numbers
Below is a list of NSNs that have been officially replaced by the NSN 5310-00-662-0187
| NSN | Name | Date |
|---|---|---|
| 5310-00-139-7053 | No Name Available | 10/01/1982 |
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 |
|---|---|
| S8157N54-032 | Flat Washer |
| S8157N54-032G | 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
- 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
- XX
- 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 5310-00-662-0187
What is the FSCG of the NSN 5310-00-662-0187?
Does the NSN 5310-00-662-0187 have a Schedule B code assigned?
Does NSN 5310-00-662-0187 require demilitarization?
Does NSN 5310-00-662-0187 contain precious materials?
Does NSN 5310-00-662-0187 contain hazardous materials?
When the NSN 5310-00-662-0187 was assigned to the Federal Catalog?
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