PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

202387Piston,autocirc

Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · NSN 2520-00-244-9545 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-00-244-9545 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-244-9545. Primary manufacturer part number: 202387.
Features
  • Piston,autocirc — FSC 2520
  • 1 verified cross-reference
  • Primary manufacturer: Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Piston,autocirc, cataloged under National Stock Number 2520-00-244-9545, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. 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.

Catalog Facts
Item NamePiston,autocirc
FSC / FSG2520 — No Item Name Available (FSG 25)
ManufacturersTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic (CAGE 61208)
Technical Specifications
ParameterValue
NSN2520-00-244-9545
Primary Part Number202387
Item NamePiston,autocirc
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5330-00-215-529125569C1 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
3020-00-463-6709202-387 INTERCHANGEABLE
Gear,antibacklash,spur
Cmc Electronics Inc
1660-00-608-9218202387 INTERCHANGEABLE
Impeller Wheel,aircraft Cooling
Honeywell International Inc. Div Aerospace - Torrance
Cross-Reference Index
Part NumberManufacturer
202387 PRIMARY Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
Related Parts
5330-00-215-5291INTERCHANGEABLE
GASKET
25569C1
3020-00-463-6709INTERCHANGEABLE
GEAR,ANTIBACKLASH,SPUR
202-387
1660-00-608-9218INTERCHANGEABLE
IMPELLER WHEEL,AIRCRAFT COOLING
202387

Frequently Asked Questions

What is NSN 2520-00-244-9545?

NSN 2520-00-244-9545 is a Piston,autocirc, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-00-244-9545?

NSN 2520-00-244-9545 has 1 cross-referenced part number: 202387 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).

What NSN replaces 2520-00-244-9545?

There are 3 known substitutes for 2520-00-244-9545: 5330-00-215-5291, 3020-00-463-6709, 1660-00-608-9218. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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