PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

80331-2Seat,helical Compression Spring

L3harris Technologies, Inc. Div Space and Airborne Systems · NSN 5340-01-374-9702 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-374-9702 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-374-9702. Primary manufacturer part number: 80331-2.
Features
  • Seat,helical Compression Spring — FSC 5340
  • End Diameter: 0.7000 INCHES NOMINAL IN
  • Distance From End to First Step: 0.5000 INCHES NOMINAL IN
  • Design Type: SOLID
  • Material: STEEL COMP 316
  • Material Document and Classification: QQ-S-763, CLASS 316 FED SPEC SINGLE MATERIAL RESPONSE
  • First Step Diameter: 1.2500 INCHES NOMINAL IN
  • 1 verified cross-reference
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Comp 316 construction
General Description

The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-374-9702, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is L3harris Technologies, Inc. Div Space and Airborne Systems. Government technical data includes 6 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-374-9702
Primary Part Number80331-2
Item NameSeat,helical Compression Spring
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerL3harris Technologies, Inc. Div Space and Airborne Systems
StatusACTIVE
End Diameter0.7000 INCHES NOMINAL IN
Distance From End to First Step0.5000 INCHES NOMINAL IN
Design TypeSOLID
MaterialSTEEL COMP 316
Material Document and ClassificationQQ-S-763, CLASS 316 FED SPEC SINGLE MATERIAL RESPONSE
First Step Diameter1.2500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 3
Stapler,skin,surgical
4920-00-144-5477803312 INTERCHANGEABLE
Fixture,holding,dua
Curtiss-Wright Controls, Inc. Div Actuation Division
5920-00-221-50289001027 INTERCHANGEABLE
Fuseholder,block
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
80331-2 PRIMARY L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
Related Parts
6515-01-138-6515SUCCESSOR
STAPLER,SKIN,SURGICAL
4920-00-144-5477INTERCHANGEABLE
FIXTURE,HOLDING,DUA
803312
5920-00-221-5028INTERCHANGEABLE
FUSEHOLDER,BLOCK
9001027

Frequently Asked Questions

What is NSN 5340-01-374-9702?

NSN 5340-01-374-9702 is a Seat,helical Compression Spring, manufactured by L3harris Technologies, Inc. Div Space and Airborne Systems, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-374-9702?

NSN 5340-01-374-9702 has 1 cross-referenced part number: 80331-2 (L3harris Technologies, Inc. Div Space and Airborne Systems).

What NSN replaces 5340-01-374-9702?

There are 3 known substitutes for 5340-01-374-9702: 6515-01-138-6515, 4920-00-144-5477, 5920-00-221-5028. Verify interchangeability with system specifications before substitution.

What are the specifications of 80331-2?

Key specifications for 80331-2: End Diameter: 0.7000 INCHES NOMINAL IN; Distance From End to First Step: 0.5000 INCHES NOMINAL IN; Design Type: SOLID; Material: STEEL COMP 316. 7 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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