PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12685Spring,helical,compression

Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems · NSN 5360-00-058-6555 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-058-6555 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-058-6555. Primary manufacturer part number: 12685.
Features
  • Spring,helical,compression — FSC 5360
  • Material: STEEL OVERALL
  • Spring Solid Outside Diameter: 0.480 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN
  • Spring Deflection Rate: 50.000 POUNDS PER INCH NOMINAL LBS
  • Spring Free Length: 1.038 INCHES MINIMUM AND 1.078 INCHES MAXIMUM IN
  • Spring Free Outside Diameter: 0.480 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN
  • Coil Helix Direction: RIGHT-HAND
  • Style Designator: CYLINDRICAL
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-058-6555, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems. Government technical data includes 11 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-058-6555
Primary Part Number12685
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerStanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
StatusACTIVE
MaterialSTEEL OVERALL
Spring Solid Outside Diameter0.480 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN
Spring Deflection Rate50.000 POUNDS PER INCH NOMINAL LBS
Spring Free Length1.038 INCHES MINIMUM AND 1.078 INCHES MAXIMUM IN
Spring Free Outside Diameter0.480 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN
Coil Helix DirectionRIGHT-HAND
Style DesignatorCYLINDRICAL
Load Rating7.625 POUNDS NOMINAL LBS
Inside Diameter0.354 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN
Coil Quantity8
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5950-00-261-823412685 INTERCHANGEABLE
Transformer,power
Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
2815-00-875-829412685 INTERCHANGEABLE
Cover,valve Adjusting
Westerbeke Corporation
5950-01-025-7211905516-2 INTERCHANGEABLE
Transformer,power
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
3040-01-082-8914 INTERCHANGEABLE
Worm Shaft
7310-01-241-752712685 INTERCHANGEABLE
Control,damper,ventilator
Itw Food Equipment Group Llc Dba Gaylord Industries
5340-01-382-983012685 INTERCHANGEABLE
Boot,dust and Moisture Seal
Galow Metal Products Inc Dba Metal Glow
Cross-Reference Index
Part NumberManufacturer
12685 PRIMARY Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems (USA)
Related Parts
5950-00-261-8234INTERCHANGEABLE
TRANSFORMER,POWER
12685
2815-00-875-8294INTERCHANGEABLE
COVER,VALVE ADJUSTING
12685
5950-01-025-7211INTERCHANGEABLE
TRANSFORMER,POWER
905516-2
3040-01-082-8914INTERCHANGEABLE
WORM SHAFT
7310-01-241-7527INTERCHANGEABLE
CONTROL,DAMPER,VENTILATOR
12685
5340-01-382-9830INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
12685

Frequently Asked Questions

What is NSN 5360-00-058-6555?

NSN 5360-00-058-6555 is a Spring,helical,compression, manufactured by Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-058-6555?

NSN 5360-00-058-6555 has 1 cross-referenced part number: 12685 (Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems).

What NSN replaces 5360-00-058-6555?

There are 6 known substitutes for 5360-00-058-6555: 5950-00-261-8234, 2815-00-875-8294, 5950-01-025-7211 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12685?

Key specifications for 12685: Material: STEEL OVERALL; Spring Solid Outside Diameter: 0.480 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN; Spring Deflection Rate: 50.000 POUNDS PER INCH NOMINAL LBS; Spring Free Length: 1.038 INCHES MINIMUM AND 1.078 INCHES MAXIMUM 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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