PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42409Spring,helical,extension

Tyco Fire Products Lp · NSN 5360-01-421-9911 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-01-421-9911 — this item is cataloged by the U.S. Government under National Stock Number 5360-01-421-9911. Primary manufacturer part number: 42409.
Features
  • Spring,helical,extension — FSC 5360
  • 1 verified cross-reference
  • Primary manufacturer: Tyco Fire Products Lp
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Spring,helical,extension, cataloged under National Stock Number 5360-01-421-9911, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Tyco Fire Products Lp. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSpring,helical,extension
FSC / FSG5360 — No Item Name Available (FSG 53)
ManufacturersTyco Fire Products Lp (CAGE 03670)
Technical Specifications
ParameterValue
NSN5360-01-421-9911
Primary Part Number42409
Item NameSpring,helical,extension
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerTyco Fire Products Lp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5950-00-691-0270109B108-1 INTERCHANGEABLE
Reactor
Telephonics Corp
5999-00-739-9621 INTERCHANGEABLE
Heater,thermal Release
5962-01-088-948342409 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
1005-01-468-9684 INTERCHANGEABLE
Swab Holder Section,small Arms C
Cross-Reference Index
Part NumberManufacturer
42409 PRIMARY Tyco Fire Products Lp (USA)
Related Parts
5950-00-691-0270INTERCHANGEABLE
REACTOR
109B108-1
5999-00-739-9621INTERCHANGEABLE
HEATER,THERMAL RELEASE
5962-01-088-9483INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
42409
1005-01-468-9684INTERCHANGEABLE
SWAB HOLDER SECTION,SMALL ARMS C

Frequently Asked Questions

What is NSN 5360-01-421-9911?

NSN 5360-01-421-9911 is a Spring,helical,extension, manufactured by Tyco Fire Products Lp, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-01-421-9911?

NSN 5360-01-421-9911 has 1 cross-referenced part number: 42409 (Tyco Fire Products Lp).

What NSN replaces 5360-01-421-9911?

There are 4 known substitutes for 5360-01-421-9911: 5950-00-691-0270, 5999-00-739-9621, 5962-01-088-9483 and 1 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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