PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A3099Spring,helical,compression

Hartzell Propeller Llc · NSN 5360-00-933-1261 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-933-1261 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-933-1261. Primary manufacturer part number: A3099.
Features
  • Spring,helical,compression — FSC 5360
  • Coil Helix Direction: RIGHT-HAND OR LEFT-HAND
  • Surface Treatment: CADMIUM OVERALL
  • Coil Quantity: 28
  • Inside Diameter: 0.435 INCHES NOMINAL IN
  • Material Document and Classification: AMS 5112 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • End Style: SPRING END,GROUND BOTH ENDS
  • Material: STEEL COMP 1090 OVERALL
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Comp 1090 Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-933-1261, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hartzell Propeller Llc. 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-933-1261
Primary Part NumberA3099
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerHartzell Propeller Llc
StatusACTIVE
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
Surface TreatmentCADMIUM OVERALL
Coil Quantity28
Inside Diameter0.435 INCHES NOMINAL IN
Material Document and ClassificationAMS 5112 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
End StyleSPRING END,GROUND BOTH ENDS
MaterialSTEEL COMP 1090 OVERALL
Spring Free Outside Diameter0.625 INCHES NOMINAL IN
Spring Free Length5.750 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5935-00-192-4734 INTERCHANGEABLE
Jack,telephone
5360-00-200-7016475A59 INTERCHANGEABLE
Spring,helical,compression
Dcm Manufacturing, Inc.
3120-00-542-0799AA309-9 INTERCHANGEABLE
Bearing,sleeve
Chrysler Corp Amplex Div
3020-00-877-0226A3099 INTERCHANGEABLE
Gear,worm Wheel
Lockheed Martin Corporation Div Rms
5961-01-044-1891 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
A3099 Technic Aviation (FRA)
A3099 PRIMARY Hartzell Propeller Llc (USA)
Related Parts
5935-00-192-4734INTERCHANGEABLE
JACK,TELEPHONE
5360-00-200-7016INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
475A59
3120-00-542-0799INTERCHANGEABLE
BEARING,SLEEVE
AA309-9
3020-00-877-0226INTERCHANGEABLE
GEAR,WORM WHEEL
A3099
5961-01-044-1891INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5360-00-933-1261?

NSN 5360-00-933-1261 is a Spring,helical,compression, manufactured by Hartzell Propeller Llc, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-933-1261?

NSN 5360-00-933-1261 has 2 cross-referenced part numbers: A3099 (Technic Aviation), A3099 (Hartzell Propeller Llc).

What NSN replaces 5360-00-933-1261?

There are 5 known substitutes for 5360-00-933-1261: 5935-00-192-4734, 5360-00-200-7016, 3120-00-542-0799 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A3099?

Key specifications for A3099: Coil Helix Direction: RIGHT-HAND OR LEFT-HAND; Surface Treatment: CADMIUM OVERALL; Coil Quantity: 28; Inside Diameter: 0.435 INCHES NOMINAL IN. 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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