310-0397-000
Lock Washer
This page provides complete and verified information for part number 310-0397-000, NSN 5310-00-209-1581
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
5310-00-209-1581
Item Name Code
14218
Assigment Date
01/01/1963 (63 years ago)
0.280 inches maximum outside diameter, 0.168 inches minimum and 0.173 inches maximum hole diameter, 0.026 inches minimum and 0.036 inches maximum material thickness, silicon alloy overall material, split helical-right hand style designator
Characteristics
Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.
- Hole Diameter
- 0.168 inches minimum and 0.173 inches maximum
- Outside Diameter
- 0.280 inches maximum
- Material Thickness
- 0.026 inches minimum and 0.036 inches maximum
- Material
- silicon alloy overall
- Style Designator
- split helical-right hand
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
- 0014218
- N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
- 3926909987
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
- 194120
- Z
- 95100
- W - Rating variable
- 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 -
- 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 310-0397-000
What is the FSCG of the NSN 5310-00-209-1581?
The FSCG of the NSN 5310-00-209-1581 is 5310
Does the NSN 5310-00-209-1581 have a Schedule B code assigned?
Yes, the Schedule B code is 3926909987
Does NSN 5310-00-209-1581 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 5310-00-209-1581 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-209-1581 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 5310-00-209-1581 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963
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Price & Availability
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Ready to Ship
This item is in stock and ready to ship. Available units may vary in condition (new, surplus, refurbished) and are stored across multiple verified facilities. Request a quote to confirm quantity and lead time.
| New Surplus | 166 |
| Total | 166 |
Availability of this item was last updated on:
02/04/2026 07:02 PM EST.
Stock levels and pricing are subject to change.
