PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66135-2Spring,helical,compression

L3 Technologies, Inc. Dba Insight Technology Division Div Insight Technology Division · NSN 5360-00-945-2414 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-945-2414 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-945-2414. Primary manufacturer part number: 66135-2.
Features
  • Spring,helical,compression — FSC 5360
  • Coil Quantity: 4.5
  • Spring Deflection Rate: 100.000 POUNDS PER INCH NOMINAL LBS
  • Spring Free Length: 0.531 INCHES NOMINAL IN
  • Inside Diameter: 0.262 INCHES NOMINAL IN
  • Style Designator: CYLINDRICAL
  • End Style: SPRING END,SQUARED AND GROUND BOTH ENDS
  • Surface Treatment: OXIDE OVERALL
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Comp 9254 Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-945-2414, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is L3 Technologies, Inc. Dba Insight Technology Division Div Insight Technology Division. Government technical data includes 12 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-945-2414
Primary Part Number66135-2
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerL3 Technologies, Inc. Dba Insight Technology Division Div Insight Technology Division
StatusACTIVE
Coil Quantity4.5
Spring Deflection Rate100.000 POUNDS PER INCH NOMINAL LBS
Spring Free Length0.531 INCHES NOMINAL IN
Inside Diameter0.262 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
Surface TreatmentOXIDE OVERALL
Surface Treatment Document and ClassificationMIL-C-13924A,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
Spring Free Outside Diameter0.370 INCHES NOMINAL IN
MaterialSTEEL COMP 9254 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5999-00-405-8459 INTERCHANGEABLE
Contact,electrical
3110-00-842-08432384821 INTERCHANGEABLE
Bearing,ball,thrust
General Motors Llc Dba General Motors Llc
Cross-Reference Index
Part NumberManufacturer
66135-2 L3 Technologies, Inc. Dba Insight Technology Division Div Insight Technology Division (USA)
Related Parts
5999-00-405-8459INTERCHANGEABLE
CONTACT,ELECTRICAL
3110-00-842-0843INTERCHANGEABLE
BEARING,BALL,THRUST
2384821

Frequently Asked Questions

What is NSN 5360-00-945-2414?

NSN 5360-00-945-2414 is a Spring,helical,compression, manufactured by L3 Technologies, Inc. Dba Insight Technology Division Div Insight Technology Division, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-945-2414?

NSN 5360-00-945-2414 has 1 cross-referenced part number: 66135-2 (L3 Technologies, Inc. Dba Insight Technology Division Div Insight Technology Division).

What NSN replaces 5360-00-945-2414?

There are 2 known substitutes for 5360-00-945-2414: 5999-00-405-8459, 3110-00-842-0843. Verify interchangeability with system specifications before substitution.

What are the specifications of 66135-2?

Key specifications for 66135-2: Coil Quantity: 4.5; Spring Deflection Rate: 100.000 POUNDS PER INCH NOMINAL LBS; Spring Free Length: 0.531 INCHES NOMINAL IN; Inside Diameter: 0.262 INCHES NOMINAL IN. 12 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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