NSN 2520-01-004-6489 — this item is cataloged by the U.S. Government under National Stock Number 2520-01-004-6489. Manufacturer of record part number: X227246C.
Also searched as2520-01-004-6489 ·
2520010046489 ·
NIIN 010046489 ·
01-004-6489 ·
FSC 2520 Vehicular Power Transmission Components · CAGE 61208 · X227246C · 227349
The Piston, cataloged under National Stock Number 2520-01-004-6489, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2520-01-004-6489
Primary Part Number
X227246C
Item Name
Piston
FSC / FSG
2520 / 25 — Vehicular Power Transmission Components
Other items in FSC 2520 — Vehicular Power Transmission Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2520-00-000-3976
2520-00-000-3976 · Item name not on file
2520-00-000-8852
2520-00-000-8852 · Item name not on file
2520-00-000-9292
2520-00-000-9292 · Item name not on file
2520-00-001-0011
2520-00-001-0011 · Item name not on file
2520-00-001-3397
2520-00-001-3397 · Item name not on file
2520-00-001-3425
2520-00-001-3425 · Item name not on file
2520-00-001-3440
ROLLER,CENTER
2520-00-001-3441
2520-00-001-3441 · Item name not on file
Frequently Asked Questions
What is NSN 2520-01-004-6489?
NSN 2520-01-004-6489 is a Piston, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
What part numbers are listed for NSN 2520-01-004-6489?
NSN 2520-01-004-6489 has 1 manufacturer part number on file: X227246C (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).
What are the specifications of X227246C?
Key specifications for X227246C: End Item Identification: 2320000897264. 0 specifications are documented in the U.S. Government catalog.
Is NSN 2520-01-004-6489 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.