PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21940Spring,spiral,torsion

Transdigm Inc · NSN 5360-00-498-7448 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-498-7448 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-498-7448. Primary manufacturer part number: 21940.
Features
  • Spring,spiral,torsion — FSC 5360
  • Material Document and Classification: MIL-S-5059, COMP 301 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Stock Thickness: 0.016 INCHES NOMINAL IN
  • Hub Size: 0.250 INCHES NOMINAL IN
  • Stock Width: 2.500 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • 1 verified cross-reference
  • Primary manufacturer: Transdigm Inc
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Overall construction
General Description

The Spring,spiral,torsion, cataloged under National Stock Number 5360-00-498-7448, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Transdigm Inc. Government technical data includes 5 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-498-7448
Primary Part Number21940
Item NameSpring,spiral,torsion
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerTransdigm Inc
StatusACTIVE
Material Document and ClassificationMIL-S-5059, COMP 301 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Stock Thickness0.016 INCHES NOMINAL IN
Hub Size0.250 INCHES NOMINAL IN
Stock Width2.500 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5995-00-059-5178SM-C-430306 INTERCHANGEABLE
Cord Assembly,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5330-00-085-21707123-287 INTERCHANGEABLE
Gasket
Prestolite Electric Limited
4730-00-172-0031AS15003-5C INTERCHANGEABLE
Fitting,lubrication
Sae International Dba Sae International
5365-01-269-755021940 INTERCHANGEABLE
Shim
Hamilton Sundstrand Corporation Dba Collins Aerospace
5315-01-691-484221940 INTERCHANGEABLE
Pin,straight,headless
Tulsa Winch, Inc.
Cross-Reference Index
Part NumberManufacturer
21940 PRIMARY Transdigm Inc (USA)
Related Parts
5995-00-059-5178INTERCHANGEABLE
CORD ASSEMBLY,ELECTRICAL
SM-C-430306
5330-00-085-2170INTERCHANGEABLE
GASKET
7123-287
4730-00-172-0031INTERCHANGEABLE
FITTING,LUBRICATION
AS15003-5C
5365-01-269-7550INTERCHANGEABLE
SHIM
21940
5315-01-691-4842INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
21940

Frequently Asked Questions

What is NSN 5360-00-498-7448?

NSN 5360-00-498-7448 is a Spring,spiral,torsion, manufactured by Transdigm Inc, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-498-7448?

NSN 5360-00-498-7448 has 1 cross-referenced part number: 21940 (Transdigm Inc).

What NSN replaces 5360-00-498-7448?

There are 5 known substitutes for 5360-00-498-7448: 5995-00-059-5178, 5330-00-085-2170, 4730-00-172-0031 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21940?

Key specifications for 21940: Material Document and Classification: MIL-S-5059, COMP 301 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Stock Thickness: 0.016 INCHES NOMINAL IN; Hub Size: 0.250 INCHES NOMINAL IN; Stock Width: 2.500 INCHES NOMINAL IN. 5 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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