PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

525-9Spring,helical,compression

Ontic Engineering & Manufacturing, Inc Dba Ontic Us · NSN 5360-00-231-3114 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-231-3114 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-231-3114. Primary manufacturer part number: 525-9.
Features
  • Spring,helical,compression — FSC 5360
  • Spring Free Outside Diameter: 0.203 INCHES NOMINAL IN
  • Material: STEEL COMP 302 OVERALL
  • Spring Solid Length: 0.500 INCHES NOMINAL IN
  • Coil Helix Direction: RIGHT-HAND
  • Inside Diameter: 0.164 INCHES NOMINAL IN
  • Material Document and Classification: QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Style Designator: CYLINDRICAL
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Comp 302 Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-231-3114, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. Government technical data includes 9 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5360-00-231-3114
Primary Part Number525-9
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerOntic Engineering & Manufacturing, Inc Dba Ontic Us
StatusCANCELLED
Spring Free Outside Diameter0.203 INCHES NOMINAL IN
MaterialSTEEL COMP 302 OVERALL
Spring Solid Length0.500 INCHES NOMINAL IN
Coil Helix DirectionRIGHT-HAND
Inside Diameter0.164 INCHES NOMINAL IN
Material Document and ClassificationQQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorCYLINDRICAL
Spring Free Length0.734 INCHES NOMINAL IN
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
2995-00-013-3707DS-934405 INTERCHANGEABLE
Plunger,dual Control
Eaton Aerospace, Llc Dba Jackson South
4510-00-062-0134 INTERCHANGEABLE
Faucet,double
4820-00-275-222720261 INTERCHANGEABLE
Cock,drain
Jewell Instruments Llc
3120-00-359-13331229R720 INTERCHANGEABLE
Bearing,washer,thrust
Meritor Heavy Vehicle Systems, Llc
5330-00-765-2918G8-179160 INTERCHANGEABLE
Gasket
Norwalk Compreseer Company Inc Dba Norwalk Compressor Company
5950-00-797-1784 INTERCHANGEABLE
Transformer,power
5915-00-981-3419 INTERCHANGEABLE
Filter,low Pass
5975-01-004-15355259 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
5307-01-179-90035259 INTERCHANGEABLE
Stud,plain
Erie Malleable Iron Co
5120-01-399-9615J5259 INTERCHANGEABLE
Extension,socket Wrench
The Stanley Works Dba Stanley Proto
Cross-Reference Index
Part NumberManufacturer
525-9 Donallco Inc (USA)
525-9 PRIMARY Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA)
Related Parts
2995-00-013-3707INTERCHANGEABLE
PLUNGER,DUAL CONTROL
DS-934405
4510-00-062-0134INTERCHANGEABLE
FAUCET,DOUBLE
4820-00-275-2227INTERCHANGEABLE
COCK,DRAIN
20261
3120-00-359-1333INTERCHANGEABLE
BEARING,WASHER,THRUST
1229R720
5330-00-765-2918INTERCHANGEABLE
GASKET
G8-179160
5950-00-797-1784INTERCHANGEABLE
TRANSFORMER,POWER
5915-00-981-3419INTERCHANGEABLE
FILTER,LOW PASS
5975-01-004-1535INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5259
5307-01-179-9003INTERCHANGEABLE
STUD,PLAIN
5259
5120-01-399-9615INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
J5259
3020-01-529-9505INTERCHANGEABLE
GEAR,SPUR
5259

Frequently Asked Questions

What is NSN 5360-00-231-3114?

NSN 5360-00-231-3114 is a Spring,helical,compression, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 5360 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5360-00-231-3114?

NSN 5360-00-231-3114 has 2 cross-referenced part numbers: 525-9 (Donallco Inc), 525-9 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).

What NSN replaces 5360-00-231-3114?

There are 11 known substitutes for 5360-00-231-3114: 2995-00-013-3707, 4510-00-062-0134, 4820-00-275-2227 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 525-9?

Key specifications for 525-9: Spring Free Outside Diameter: 0.203 INCHES NOMINAL IN; Material: STEEL COMP 302 OVERALL; Spring Solid Length: 0.500 INCHES NOMINAL IN; Coil Helix Direction: RIGHT-HAND. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5360-00-231-3114 still in active supply?

NSN 5360-00-231-3114 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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