PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

V2821Washer,spring Tension

Valcor Engineering Corporation · NSN 5310-00-638-7946 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-638-7946 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-638-7946. Primary manufacturer part number: V2821.
Features
  • Washer,spring Tension — FSC 5310
  • Surface Treatment: CADMIUM OVERALL
  • Hole Diameter: 0.450 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Material Thickness: 0.015 INCHES NOMINAL IN
  • Outside Diameter: 0.750 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Valcor Engineering Corporation
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Mechanical energy storage
  • Vibration dampening
General Description

The Washer,spring Tension, cataloged under National Stock Number 5310-00-638-7946, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Valcor Engineering Corporation. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-638-7946
Primary Part NumberV2821
Item NameWasher,spring Tension
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerValcor Engineering Corporation
StatusACTIVE
Surface TreatmentCADMIUM OVERALL
Hole Diameter0.450 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Material Thickness0.015 INCHES NOMINAL IN
Outside Diameter0.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2540-00-528-7360A80SV INTERCHANGEABLE
Chain Assembly,tire
Pewag Inc Div Corporate Hq
Cross-Reference Index
Part NumberManufacturer
V2821 PRIMARY Valcor Engineering Corporation (USA)
Related Parts
2540-00-528-7360INTERCHANGEABLE
CHAIN ASSEMBLY,TIRE
A80SV

Frequently Asked Questions

What is NSN 5310-00-638-7946?

NSN 5310-00-638-7946 is a Washer,spring Tension, manufactured by Valcor Engineering Corporation, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-638-7946?

NSN 5310-00-638-7946 has 1 cross-referenced part number: V2821 (Valcor Engineering Corporation).

What NSN replaces 5310-00-638-7946?

There is 1 known substitute for 5310-00-638-7946: 2540-00-528-7360. Verify interchangeability with system specifications before substitution.

What are the specifications of V2821?

Key specifications for V2821: Surface Treatment: CADMIUM OVERALL; Hole Diameter: 0.450 INCHES NOMINAL IN; Material: STEEL OVERALL; Material Thickness: 0.015 INCHES NOMINAL IN. 5 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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