PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

73761Spring,helical,compression

Textron Lycoming Inc Williamsport Plant · NSN 5360-00-991-0292 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-991-0292 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-991-0292. Primary manufacturer part number: 73761.
Features
  • Spring,helical,compression — FSC 5360
  • Inside Diameter: 0.418 INCHES NOMINAL IN
  • End Style: SPRING END,SQUARED AND GROUND BOTH ENDS
  • Spring Free Length: 2.065 INCHES NOMINAL IN
  • Material Hardness Rating: 43.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM
  • Style Designator: CYLINDRICAL
  • Coil Helix Direction: RIGHT-HAND
  • Spring Free Outside Diameter: 0.500 INCHES NOMINAL IN
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Comp 6150 Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-991-0292, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Textron Lycoming Inc Williamsport Plant. 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-991-0292
Primary Part Number73761
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerTextron Lycoming Inc Williamsport Plant
StatusACTIVE
Inside Diameter0.418 INCHES NOMINAL IN
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
Spring Free Length2.065 INCHES NOMINAL IN
Material Hardness Rating43.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM
Style DesignatorCYLINDRICAL
Coil Helix DirectionRIGHT-HAND
Spring Free Outside Diameter0.500 INCHES NOMINAL IN
MaterialSTEEL COMP 6150 OVERALL
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Coil Quantity15.4
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3040-00-471-5317 INTERCHANGEABLE
Shaft,straight
5360-01-085-800073761 INTERCHANGEABLE
Spring,helical,compression
Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
9905-01-475-326273761 INTERCHANGEABLE
Plate,identification
Tyco Fire Products Lp
Cross-Reference Index
Part NumberManufacturer
73761 Satair A/s (DNK)
73761 PRIMARY Textron Lycoming Inc Williamsport Plant (USA)
Related Parts
3040-00-471-5317INTERCHANGEABLE
SHAFT,STRAIGHT
5360-01-085-8000INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
73761
9905-01-475-3262INTERCHANGEABLE
PLATE,IDENTIFICATION
73761

Frequently Asked Questions

What is NSN 5360-00-991-0292?

NSN 5360-00-991-0292 is a Spring,helical,compression, manufactured by Textron Lycoming Inc Williamsport Plant, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-991-0292?

NSN 5360-00-991-0292 has 2 cross-referenced part numbers: 73761 (Satair A/s), 73761 (Textron Lycoming Inc Williamsport Plant).

What NSN replaces 5360-00-991-0292?

There are 3 known substitutes for 5360-00-991-0292: 3040-00-471-5317, 5360-01-085-8000, 9905-01-475-3262. Verify interchangeability with system specifications before substitution.

What are the specifications of 73761?

Key specifications for 73761: Inside Diameter: 0.418 INCHES NOMINAL IN; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Spring Free Length: 2.065 INCHES NOMINAL IN; Material Hardness Rating: 43.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM. 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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