PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5804-20Washer,spring Tension

Seastrom Manufacturing Co Inc · NSN 5310-00-864-4746 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-864-4746 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-864-4746. Primary manufacturer part number: 5804-20.
Features
  • Washer,spring Tension — FSC 5310
  • Material: STEEL OVERALL
  • Outside Diameter: 0.437 INCHES NOMINAL IN
  • Material Thickness: 0.012 INCHES NOMINAL IN
  • Hole Diameter: 0.263 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Seastrom Manufacturing Co Inc
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 5310-00-864-4746, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Seastrom Manufacturing Co Inc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-864-4746
Primary Part Number5804-20
Item NameWasher,spring Tension
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSeastrom Manufacturing Co Inc
StatusACTIVE
MaterialSTEEL OVERALL
Outside Diameter0.437 INCHES NOMINAL IN
Material Thickness0.012 INCHES NOMINAL IN
Hole Diameter0.263 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5985-01-023-60165804-20 INTERCHANGEABLE
Attenuator,variable
Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc
6150-01-465-3373CAB-ACE INTERCHANGEABLE
Cable Assembly,special Purpose,e
Cisco Systems Inc
Cross-Reference Index
Part NumberManufacturer
5804-20 PRIMARY Seastrom Manufacturing Co Inc (USA)
950319-5 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
5985-01-023-6016INTERCHANGEABLE
ATTENUATOR,VARIABLE
5804-20
6150-01-465-3373INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
CAB-ACE

Frequently Asked Questions

What is NSN 5310-00-864-4746?

NSN 5310-00-864-4746 is a Washer,spring Tension, manufactured by Seastrom Manufacturing Co Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-864-4746?

NSN 5310-00-864-4746 has 2 cross-referenced part numbers: 5804-20 (Seastrom Manufacturing Co Inc), 950319-5 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).

What NSN replaces 5310-00-864-4746?

There are 2 known substitutes for 5310-00-864-4746: 5985-01-023-6016, 6150-01-465-3373. Verify interchangeability with system specifications before substitution.

What are the specifications of 5804-20?

Key specifications for 5804-20: Material: STEEL OVERALL; Outside Diameter: 0.437 INCHES NOMINAL IN; Overall Height: 0.062 INCHES NOMINAL IN; Material Thickness: 0.012 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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