PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

71999Spring,helical,compression

Telemechanics Inc · NSN 5360-00-448-3751 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-448-3751 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-448-3751. Primary manufacturer part number: 71999.
Features
  • Spring,helical,compression — FSC 5360
  • Spring Free Outside Diameter: 1.125 INCHES NOMINAL IN
  • Spring Free Length: 0.500 INCHES NOMINAL IN
  • Style Designator: TAPERED
  • Inside Diameter: 0.625 INCHES NOMINAL IN
  • 4 verified cross-references
  • Primary manufacturer: Telemechanics Inc
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-448-3751, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Telemechanics Inc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, 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
NSN5360-00-448-3751
Primary Part Number71999
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerTelemechanics Inc
StatusCANCELLED
Spring Free Outside Diameter1.125 INCHES NOMINAL IN
Spring Free Length0.500 INCHES NOMINAL IN
Style DesignatorTAPERED
Inside Diameter0.625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
2810-00-670-230871999 INTERCHANGEABLE
Retainer,special
Textron Lycoming Inc Williamsport Plant
3230-00-935-7949DCS 730725 INTERCHANGEABLE
Blade,circular Saw,woodcutting
Doall Baltimore Company
5950-01-069-7129 INTERCHANGEABLE
Coil,radio Frequency
Cross-Reference Index
Part NumberManufacturer
71999 PRIMARY Telemechanics Inc (USA)
71999 American Telephone and Telegraph Co (USA)
71999 Zf Industrieantriebe Witten Gmbh (DEU)
71999 At and T Corp (USA)
Related Parts
2810-00-670-2308INTERCHANGEABLE
RETAINER,SPECIAL
71999
3230-00-935-7949INTERCHANGEABLE
BLADE,CIRCULAR SAW,WOODCUTTING
DCS 730725
5950-01-069-7129INTERCHANGEABLE
COIL,RADIO FREQUENCY

Frequently Asked Questions

What is NSN 5360-00-448-3751?

NSN 5360-00-448-3751 is a Spring,helical,compression, manufactured by Telemechanics Inc, classified under FSC 5360 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5360-00-448-3751?

NSN 5360-00-448-3751 has 4 cross-referenced part numbers: 71999 (Telemechanics Inc), 71999 (American Telephone and Telegraph Co), 71999 (Zf Industrieantriebe Witten Gmbh), 71999 (At and T Corp).

What NSN replaces 5360-00-448-3751?

There are 3 known substitutes for 5360-00-448-3751: 2810-00-670-2308, 3230-00-935-7949, 5950-01-069-7129. Verify interchangeability with system specifications before substitution.

What are the specifications of 71999?

Key specifications for 71999: Spring Free Outside Diameter: 1.125 INCHES NOMINAL IN; Spring Free Length: 0.500 INCHES NOMINAL IN; Style Designator: TAPERED; Inside Diameter: 0.625 INCHES NOMINAL IN. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5360-00-448-3751 still in active supply?

NSN 5360-00-448-3751 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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