PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

401646Holder,spring

Woodward, Inc. Div Fuel Systems and Controls · NSN 5340-00-579-2871 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-579-2871 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-579-2871. Primary manufacturer part number: 401646.
Features
  • Holder,spring — FSC 5340
  • FSC Application Data: MAIN FUEL CONTROL,ENGINE,AIRCRAFT
  • Material: ALUMINUM ALLOY
  • Surface Treatment: ANODIZE
  • Attachment to Item Supported Method: FRICTION MOUNTED BY SPRING COMPRESSION
  • Supporting Object/surface Attachment Method: FRICTION MOUNTED BY SPRING COMPRESSION ON MATED MACHINED PARTS
  • 1 verified cross-reference
  • Primary manufacturer: Woodward, Inc. Div Fuel Systems and Controls
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Aluminum Alloy construction
General Description

The Holder,spring, cataloged under National Stock Number 5340-00-579-2871, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Woodward, Inc. Div Fuel Systems and Controls. 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-579-2871
Primary Part Number401646
Item NameHolder,spring
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerWoodward, Inc. Div Fuel Systems and Controls
StatusACTIVE
FSC Application DataMAIN FUEL CONTROL,ENGINE,AIRCRAFT
MaterialALUMINUM ALLOY
Surface TreatmentANODIZE
Attachment to Item Supported MethodFRICTION MOUNTED BY SPRING COMPRESSION
Supporting Object/surface Attachment MethodFRICTION MOUNTED BY SPRING COMPRESSION ON MATED MACHINED PARTS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 3
5962-00-411-6303 INTERCHANGEABLE
Microcircuit,linear
5930-01-141-77188500A-2053-1 INTERCHANGEABLE
Push Button
Fluke Corp
5998-01-157-4731401646-LTV INTERCHANGEABLE
Circuit Card Assembly
Astronics Test Systems Inc
Cross-Reference Index
Part NumberManufacturer
401646 PRIMARY Woodward, Inc. Div Fuel Systems and Controls (USA)
Related Parts
5962-00-411-6303INTERCHANGEABLE
MICROCIRCUIT,LINEAR
5930-01-141-7718INTERCHANGEABLE
PUSH BUTTON
8500A-2053-1
5998-01-157-4731INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
401646-LTV

Frequently Asked Questions

What is NSN 5340-00-579-2871?

NSN 5340-00-579-2871 is a Holder,spring, manufactured by Woodward, Inc. Div Fuel Systems and Controls, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-579-2871?

NSN 5340-00-579-2871 has 1 cross-referenced part number: 401646 (Woodward, Inc. Div Fuel Systems and Controls).

What NSN replaces 5340-00-579-2871?

There are 3 known substitutes for 5340-00-579-2871: 5962-00-411-6303, 5930-01-141-7718, 5998-01-157-4731. Verify interchangeability with system specifications before substitution.

What are the specifications of 401646?

Key specifications for 401646: FSC Application Data: MAIN FUEL CONTROL,ENGINE,AIRCRAFT; Material: ALUMINUM ALLOY; Surface Treatment: ANODIZE; Attachment to Item Supported Method: FRICTION MOUNTED BY SPRING COMPRESSION. 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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