PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21058-1Washer,spring Tension

Drs C3 & Aviation Company Dba Drs Data & Imaging Systems · NSN 5310-00-432-5577 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-432-5577 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-432-5577. Primary manufacturer part number: 21058-1.
Features
  • Washer,spring Tension — FSC 5310
  • Outside Diameter: 0.380 INCHES MINIMUM AND 0.392 INCHES MAXIMUM IN
  • Style Designator: SPRING TENSION
  • Surface Finish: 32.0 MICROINCHES ALL SURFACES
  • Material Document and Classification: QQ-C-;33,TEMPER 1/4 H FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material Thickness: 0.0080 INCHES MINIMUM AND 0.0084 INCHES MAXIMUM IN
  • Material: COPPER ALLOY 170 OVERALL
  • Hole Diameter: 0.252 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN
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 5310-00-432-5577, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Drs C3 & Aviation Company Dba Drs Data & Imaging Systems. Government technical data includes 7 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: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-432-5577
Primary Part Number21058-1
Item NameWasher,spring Tension
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerDrs C3 & Aviation Company Dba Drs Data & Imaging Systems
StatusCANCELLED
Outside Diameter0.380 INCHES MINIMUM AND 0.392 INCHES MAXIMUM IN
Style DesignatorSPRING TENSION
Surface Finish32.0 MICROINCHES ALL SURFACES
Material Document and ClassificationQQ-C-;33,TEMPER 1/4 H FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Material Thickness0.0080 INCHES MINIMUM AND 0.0084 INCHES MAXIMUM IN
MaterialCOPPER ALLOY 170 OVERALL
Hole Diameter0.252 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5905-01-096-3771144-473-0 INTERCHANGEABLE
Resistor Network,fixed,film
Bi Technologies Corporation Div Bi Technologies Corp.
5945-01-329-0972 INTERCHANGEABLE
Relay,hybrid
Cross-Reference Index
Part NumberManufacturer
21058-01 L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West (USA)
21058-1 PRIMARY Drs C3 & Aviation Company Dba Drs Data & Imaging Systems (USA)
Related Parts
5905-01-096-3771INTERCHANGEABLE
RESISTOR NETWORK,FIXED,FILM
144-473-0
5945-01-329-0972INTERCHANGEABLE
RELAY,HYBRID

Frequently Asked Questions

What is NSN 5310-00-432-5577?

NSN 5310-00-432-5577 is a Washer,spring Tension, manufactured by Drs C3 & Aviation Company Dba Drs Data & Imaging Systems, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-432-5577?

NSN 5310-00-432-5577 has 2 cross-referenced part numbers: 21058-01 (L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West), 21058-1 (Drs C3 & Aviation Company Dba Drs Data & Imaging Systems).

What NSN replaces 5310-00-432-5577?

There are 2 known substitutes for 5310-00-432-5577: 5905-01-096-3771, 5945-01-329-0972. Verify interchangeability with system specifications before substitution.

What are the specifications of 21058-1?

Key specifications for 21058-1: Outside Diameter: 0.380 INCHES MINIMUM AND 0.392 INCHES MAXIMUM IN; Style Designator: SPRING TENSION; Surface Finish: 32.0 MICROINCHES ALL SURFACES; Overall Height: 0.015 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-432-5577 still in active supply?

NSN 5310-00-432-5577 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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