PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

54299Spring,helical,compression

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 5360-00-543-4109 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-543-4109 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-543-4109. Primary manufacturer part number: 54299.
Features
  • Spring,helical,compression — FSC 5360
  • Style Designator: TAPERED
  • Surface Treatment: CADMIUM OVERALL
  • Coil Helix Direction: RIGHT-HAND
  • Material: STEEL OVERALL
  • Spring Free Length: 0.312 INCHES NOMINAL IN
  • End Style: SPRING END,SQUARED AND GROUND BOTH ENDS
  • Spring Solid Length: 0.250 INCHES NOMINAL IN
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-543-4109, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 11 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5360-00-543-4109
Primary Part Number54299
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusCANCELLED
Style DesignatorTAPERED
Surface TreatmentCADMIUM OVERALL
Coil Helix DirectionRIGHT-HAND
MaterialSTEEL OVERALL
Spring Free Length0.312 INCHES NOMINAL IN
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
Spring Solid Length0.250 INCHES NOMINAL IN
Spring Free Outside Diameter0.750 INCHES NOMINAL IN
Coil Quantity3
Material Document and ClassificationMIL-S-6101 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Inside Diameter0.187 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5945-00-106-13025429-9 INTERCHANGEABLE
Relay,electromagnetic
Te Connectivity Corporation
6680-01-300-4826FTLS0401 INTERCHANGEABLE
Switch,liquid Level
Separation & Recovery Systems Inc
5330-01-658-257454299 INTERCHANGEABLE
Gasket
Generac Mobile Products, Llc
Cross-Reference Index
Part NumberManufacturer
54299 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
Related Parts
5945-00-106-1302INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5429-9
6680-01-300-4826INTERCHANGEABLE
SWITCH,LIQUID LEVEL
FTLS0401
5330-01-658-2574INTERCHANGEABLE
GASKET
54299

Frequently Asked Questions

What is NSN 5360-00-543-4109?

NSN 5360-00-543-4109 is a Spring,helical,compression, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5360 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5360-00-543-4109?

NSN 5360-00-543-4109 has 1 cross-referenced part number: 54299 (L3harris Technologies, Inc Div Space & Airborne Systems).

What NSN replaces 5360-00-543-4109?

There are 3 known substitutes for 5360-00-543-4109: 5945-00-106-1302, 6680-01-300-4826, 5330-01-658-2574. Verify interchangeability with system specifications before substitution.

What are the specifications of 54299?

Key specifications for 54299: Style Designator: TAPERED; Surface Treatment: CADMIUM OVERALL; Coil Helix Direction: RIGHT-HAND; Material: STEEL OVERALL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5360-00-543-4109 still in active supply?

NSN 5360-00-543-4109 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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