PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

81739Spring,helical,compression

Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator · NSN 5360-01-397-5131 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-01-397-5131 — this item is cataloged by the U.S. Government under National Stock Number 5360-01-397-5131. Primary manufacturer part number: 81739.
Features
  • Spring,helical,compression — FSC 5360
  • Coil Helix Direction: RIGHT-HAND OR LEFT-HAND
  • Spring Solid Outside Diameter: 1.250 INCHES NOMINAL IN
  • Spring Length Under Load: 1.900 INCHES NOMINAL IN
  • Spring Free Outside Diameter: 1.250 INCHES NOMINAL IN
  • Coil Quantity: 6
  • Load Rating: 40.00 POUNDS NOMINAL LBS
  • Spring Deflection Rate: 151.000 POUNDS PER INCH NOMINAL LBS
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Comp 631 Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-01-397-5131, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5360-01-397-5131
Primary Part Number81739
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
StatusACTIVE
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
Spring Solid Outside Diameter1.250 INCHES NOMINAL IN
Spring Length Under Load1.900 INCHES NOMINAL IN
Spring Free Outside Diameter1.250 INCHES NOMINAL IN
Coil Quantity6
Load Rating40.00 POUNDS NOMINAL LBS
Spring Deflection Rate151.000 POUNDS PER INCH NOMINAL LBS
Spring Free Length2.160 INCHES NOMINAL IN
Inside Diameter0.904 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL
MaterialSTEEL COMP 631 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-01-023-9110B0375-020S INTERCHANGEABLE
Washer,spring Tension
Barnes Group Inc
5930-01-410-7707 INTERCHANGEABLE
Switch Subassembly
Cross-Reference Index
Part NumberManufacturer
81739 PRIMARY Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
81597 ITEM 7 Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
Related Parts
5310-01-023-9110INTERCHANGEABLE
WASHER,SPRING TENSION
B0375-020S
5930-01-410-7707INTERCHANGEABLE
SWITCH SUBASSEMBLY

Frequently Asked Questions

What is NSN 5360-01-397-5131?

NSN 5360-01-397-5131 is a Spring,helical,compression, manufactured by Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-01-397-5131?

NSN 5360-01-397-5131 has 2 cross-referenced part numbers: 81739 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator), 81597 ITEM 7 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator).

What NSN replaces 5360-01-397-5131?

There are 2 known substitutes for 5360-01-397-5131: 5310-01-023-9110, 5930-01-410-7707. Verify interchangeability with system specifications before substitution.

What are the specifications of 81739?

Key specifications for 81739: Coil Helix Direction: RIGHT-HAND OR LEFT-HAND; Spring Solid Outside Diameter: 1.250 INCHES NOMINAL IN; Spring Length Under Load: 1.900 INCHES NOMINAL IN; Spring Free Outside Diameter: 1.250 INCHES NOMINAL IN. 11 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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