PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

361031Seat,helical Compression Spring

Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) · NSN 5340-00-866-8079 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-866-8079 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-866-8079. Primary manufacturer part number: 361031.
Features
  • Seat,helical Compression Spring — FSC 5340
  • End Diameter: 0.4550 INCHES NOMINAL IN
  • Design Type: SOLID
  • FSC Application Data: STARTER,PNEUMATIC
  • Distance From End to First Step: 0.0900 INCHES NOMINAL IN
  • Style Designator: SEAT
  • Material: STEEL
  • First Step Diameter: 0.6300 INCHES NOMINAL IN
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel construction
General Description

The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-866-8079, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). Government technical data includes 8 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. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-866-8079
Primary Part Number361031
Item NameSeat,helical Compression Spring
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerHoneywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
StatusACTIVE
End Diameter0.4550 INCHES NOMINAL IN
Design TypeSOLID
FSC Application DataSTARTER,PNEUMATIC
Distance From End to First Step0.0900 INCHES NOMINAL IN
Style DesignatorSEAT
MaterialSTEEL
First Step Diameter0.6300 INCHES NOMINAL IN
Bore Diameter0.4050 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 3
5920-00-050-05471002 INTERCHANGEABLE
Fuse,cartridge
Littelfuse, Inc.
5920-00-232-3703 INTERCHANGEABLE
Fuse,cartridge
5920-00-285-0478 INTERCHANGEABLE
Fuse,cartridge
Cross-Reference Index
Part NumberManufacturer
361031 PRIMARY Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA)
361031 Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
Related Parts
5920-00-050-0547INTERCHANGEABLE
FUSE,CARTRIDGE
1002
5920-00-232-3703INTERCHANGEABLE
FUSE,CARTRIDGE
5920-00-285-0478INTERCHANGEABLE
FUSE,CARTRIDGE

Frequently Asked Questions

What is NSN 5340-00-866-8079?

NSN 5340-00-866-8079 is a Seat,helical Compression Spring, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-866-8079?

NSN 5340-00-866-8079 has 2 cross-referenced part numbers: 361031 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)), 361031 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix).

What NSN replaces 5340-00-866-8079?

There are 3 known substitutes for 5340-00-866-8079: 5920-00-050-0547, 5920-00-232-3703, 5920-00-285-0478. Verify interchangeability with system specifications before substitution.

What are the specifications of 361031?

Key specifications for 361031: End Diameter: 0.4550 INCHES NOMINAL IN; Design Type: SOLID; FSC Application Data: STARTER,PNEUMATIC; Distance From End to First Step: 0.0900 INCHES NOMINAL IN. 9 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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