PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

206909PC4Piston

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 1020-00-144-9100 · FSC 1020 · No Item Name Available
Verified by PartsTable
NSN 1020-00-144-9100 — this item is cataloged by the U.S. Government under National Stock Number 1020-00-144-9100. Primary manufacturer part number: 206909PC4.
Features
  • Piston — FSC 1020
  • 3 verified cross-references
  • Primary manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Piston, cataloged under National Stock Number 1020-00-144-9100, is classified within Federal Supply Class 1020 (No Item Name Available) of the Weapons group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePiston
FSC / FSG1020 — No Item Name Available (FSG 10)
ManufacturersNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001); Eaton Aerospace, Llc Dba Jackson South (CAGE 62983)
Technical Specifications
ParameterValue
NSN1020-00-144-9100
Primary Part Number206909PC4
Item NamePiston
FSC / FSG1020 / 10 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5330-00-329-897125305 INTERCHANGEABLE
Felt,mechanical,preformed
Hdt Expeditionary Systems Inc
5330-00-599-645234925 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
1650-00-672-7992 INTERCHANGEABLE
Orifice,air Turbine
5120-01-642-5816 INTERCHANGEABLE
Bit Set,screwdriver
Cross-Reference Index
Part NumberManufacturer
206909PC4 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
B25305 Eaton Aerospace, Llc Dba Jackson South (USA)
25305 Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
5330-00-329-8971INTERCHANGEABLE
FELT,MECHANICAL,PREFORMED
25305
5330-00-599-6452INTERCHANGEABLE
SEAL,PLAIN ENCASED
34925
1650-00-672-7992INTERCHANGEABLE
ORIFICE,AIR TURBINE
5120-01-642-5816INTERCHANGEABLE
BIT SET,SCREWDRIVER

Frequently Asked Questions

What is NSN 1020-00-144-9100?

NSN 1020-00-144-9100 is a Piston, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 1020 (No Item Name Available). Status: active.

What are the part numbers for NSN 1020-00-144-9100?

NSN 1020-00-144-9100 has 3 cross-referenced part numbers: 206909PC4 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), B25305 (Eaton Aerospace, Llc Dba Jackson South), 25305 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 1020-00-144-9100?

There are 4 known substitutes for 1020-00-144-9100: 5330-00-329-8971, 5330-00-599-6452, 1650-00-672-7992 and 1 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com