PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A20865Plunger,detent

Brunson Instrument Company Dba Brunson Instrument Company · NSN 5340-01-135-8957 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-135-8957 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-135-8957. Primary manufacturer part number: A20865.
Features
  • Plunger,detent — FSC 5340
  • Material: COPPER ALLOY OVERALL
  • Length: 1.218 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
  • Diameter: 0.401 INCHES MINIMUM AND 0.403 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
  • 1 verified cross-reference
  • Primary manufacturer: Brunson Instrument Company Dba Brunson Instrument Company
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Plunger,detent, cataloged under National Stock Number 5340-01-135-8957, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Brunson Instrument Company Dba Brunson Instrument Company. Government technical data includes 3 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
NSN5340-01-135-8957
Primary Part NumberA20865
Item NamePlunger,detent
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerBrunson Instrument Company Dba Brunson Instrument Company
StatusACTIVE
MaterialCOPPER ALLOY OVERALL
Length1.218 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Diameter0.401 INCHES MINIMUM AND 0.403 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 2
5340-00-652-3387109054-337 INTERCHANGEABLE
Clamp,synchro
Timber Top Inc
2815-00-851-7455A21653 INTERCHANGEABLE
Lifter Kit,push Rod
Cnh Industrial America Llc Dba Cnh America
Cross-Reference Index
Part NumberManufacturer
A20865 PRIMARY Brunson Instrument Company Dba Brunson Instrument Company (USA)
Related Parts
5340-00-652-3387INTERCHANGEABLE
CLAMP,SYNCHRO
109054-337
2815-00-851-7455INTERCHANGEABLE
LIFTER KIT,PUSH ROD
A21653

Frequently Asked Questions

What is NSN 5340-01-135-8957?

NSN 5340-01-135-8957 is a Plunger,detent, manufactured by Brunson Instrument Company Dba Brunson Instrument Company, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-135-8957?

NSN 5340-01-135-8957 has 1 cross-referenced part number: A20865 (Brunson Instrument Company Dba Brunson Instrument Company).

What NSN replaces 5340-01-135-8957?

There are 2 known substitutes for 5340-01-135-8957: 5340-00-652-3387, 2815-00-851-7455. Verify interchangeability with system specifications before substitution.

What are the specifications of A20865?

Key specifications for A20865: Material: COPPER ALLOY OVERALL; Length: 1.218 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN; Diameter: 0.401 INCHES MINIMUM AND 0.403 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN. 3 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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