PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21941Retainer,helical Compression Spr

Transdigm Inc · NSN 5340-00-496-2091 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-496-2091 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-496-2091. Primary manufacturer part number: 21941.
Features
  • Retainer,helical Compression Spr — FSC 5340
  • Flange Thickness: 0.060 INCHES NOMINAL IN
  • Body Inside Diameter: 2.610 INCHES NOMINAL IN
  • FSC Application Data: CYLINDER ASSY,ACTUATING,LINEAR,ACFT
  • Body Outside Diameter: 2.670 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Transdigm Inc
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-00-496-2091, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Transdigm Inc. Government technical data includes 4 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-496-2091
Primary Part Number21941
Item NameRetainer,helical Compression Spr
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerTransdigm Inc
StatusACTIVE
Flange Thickness0.060 INCHES NOMINAL IN
Body Inside Diameter2.610 INCHES NOMINAL IN
FSC Application DataCYLINDER ASSY,ACTUATING,LINEAR,ACFT
Body Outside Diameter2.670 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 2
5360-00-960-9326246632 INTERCHANGEABLE
Spring,helical,compression
Eaton Aerospace, Llc Dba Jackson South
5998-01-075-5606 INTERCHANGEABLE
Circuit Card Assembly
Cross-Reference Index
Part NumberManufacturer
21941 PRIMARY Transdigm Inc (USA)
Related Parts
5360-00-960-9326INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
246632
5998-01-075-5606INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY

Frequently Asked Questions

What is NSN 5340-00-496-2091?

NSN 5340-00-496-2091 is a Retainer,helical Compression Spr, manufactured by Transdigm Inc, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-496-2091?

NSN 5340-00-496-2091 has 1 cross-referenced part number: 21941 (Transdigm Inc).

What NSN replaces 5340-00-496-2091?

There are 2 known substitutes for 5340-00-496-2091: 5360-00-960-9326, 5998-01-075-5606. Verify interchangeability with system specifications before substitution.

What are the specifications of 21941?

Key specifications for 21941: Flange Thickness: 0.060 INCHES NOMINAL IN; Body Inside Diameter: 2.610 INCHES NOMINAL IN; FSC Application Data: CYLINDER ASSY,ACTUATING,LINEAR,ACFT; Body Outside Diameter: 2.670 INCHES NOMINAL IN. 4 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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