PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25321Spring,helical,compression

Circor Aerospace, Inc. Dba Circor Aerospace Inc · NSN 5360-01-112-3981 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-01-112-3981 — this item is cataloged by the U.S. Government under National Stock Number 5360-01-112-3981. Primary manufacturer part number: 25321.
Features
  • Spring,helical,compression — FSC 5360
  • Material: STEEL CORROSION RESISTING OVERALL
  • End Style: SPRING END,SQUARED BOTH ENDS
  • Style Designator: TAPERED
  • Spring Free Length: 0.870 INCHES NOMINAL IN
  • Spring Solid Length: 0.425 INCHES NOMINAL IN
  • Spring Solid Outside Diameter: 0.180 INCHES NOMINAL IN
  • Coil Quantity: 7
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-01-112-3981, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Circor Aerospace, Inc. Dba Circor Aerospace Inc. Government technical data includes 10 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-01-112-3981
Primary Part Number25321
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerCircor Aerospace, Inc. Dba Circor Aerospace Inc
StatusACTIVE
MaterialSTEEL CORROSION RESISTING OVERALL
End StyleSPRING END,SQUARED BOTH ENDS
Style DesignatorTAPERED
Spring Free Length0.870 INCHES NOMINAL IN
Spring Solid Length0.425 INCHES NOMINAL IN
Spring Solid Outside Diameter0.180 INCHES NOMINAL IN
Coil Quantity7
Coil Helix DirectionRIGHT-HAND
Spring Free Outside Diameter0.390 INCHES MINIMUM AND 0.405 INCHES MAXIMUM IN
Inside Diameter0.288 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
1650-00-166-574425321 INTERCHANGEABLE
Retainer,drive Shaf
Arvinmeritor Inc
5120-00-288-875425321 INTERCHANGEABLE
Handle,shovel
Wta Tool Llc
5845-00-338-863925321 INTERCHANGEABLE
Pen Subassy
Raytheon Company Dba Raytheon
5975-00-471-337225321 INTERCHANGEABLE
Cable Nipple,electrical
Champion Aerospace Llc
5950-00-648-19980153-03042 INTERCHANGEABLE
Reactor
Entron Industries Limited Partnership Dba Entron Industries Property Div
5330-00-809-1052BA3026-2 INTERCHANGEABLE
Seal,nonmetallic Strip
Parker Hannifin Corporation Div Cylinder Division
5935-01-030-5093 INTERCHANGEABLE
Connector,receptacle,electrical
6515-01-600-293981-3405 INTERCHANGEABLE
Handle,screwdriver,bone Screw
Codman & Shurtleff Inc
6635-01-604-18552532-1 INTERCHANGEABLE
Reference Standard,physical Prop
Earle Environmental Corp
Cross-Reference Index
Part NumberManufacturer
11784111 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
25321 PRIMARY Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA)
Related Parts
1650-00-166-5744INTERCHANGEABLE
RETAINER,DRIVE SHAF
25321
5120-00-288-8754INTERCHANGEABLE
HANDLE,SHOVEL
25321
5845-00-338-8639INTERCHANGEABLE
PEN SUBASSY
25321
5975-00-471-3372INTERCHANGEABLE
CABLE NIPPLE,ELECTRICAL
25321
5950-00-648-1998INTERCHANGEABLE
REACTOR
0153-03042
5330-00-809-1052INTERCHANGEABLE
SEAL,NONMETALLIC STRIP
BA3026-2
5935-01-030-5093INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
6515-01-600-2939INTERCHANGEABLE
HANDLE,SCREWDRIVER,BONE SCREW
81-3405
6635-01-604-1855INTERCHANGEABLE
REFERENCE STANDARD,PHYSICAL PROP
2532-1

Frequently Asked Questions

What is NSN 5360-01-112-3981?

NSN 5360-01-112-3981 is a Spring,helical,compression, manufactured by Circor Aerospace, Inc. Dba Circor Aerospace Inc, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-01-112-3981?

NSN 5360-01-112-3981 has 2 cross-referenced part numbers: 11784111 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 25321 (Circor Aerospace, Inc. Dba Circor Aerospace Inc).

What NSN replaces 5360-01-112-3981?

There are 9 known substitutes for 5360-01-112-3981: 1650-00-166-5744, 5120-00-288-8754, 5845-00-338-8639 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25321?

Key specifications for 25321: Material: STEEL CORROSION RESISTING OVERALL; End Style: SPRING END,SQUARED BOTH ENDS; Style Designator: TAPERED; Spring Free Length: 0.870 INCHES NOMINAL IN. 10 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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