PartsTable TECHNICAL DATA SHEET
NSN 2825-00-267-0489Government record, cited

Ring, Piston2825-00-267-0489

NSN 2825-00-267-0489 · NIIN 002670489 · Part number M1904L
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · FSC 2825 — Steam Turbines and Components · FSG 28 — Engines, Turbines, and Components · CAGE 61208
Government record, cited
NSN 2825-00-267-0489 — this item is cataloged by the U.S. Government under National Stock Number 2825-00-267-0489. Manufacturer of record part number: M1904L.
Also searched as  2825-00-267-0489 · 2825002670489 · NIIN 002670489 · 00-267-0489 · FSC 2825 Steam Turbines and Components · CAGE 61208 · M1904L
Nearby stock numbers  ·
Features
  • Ring,piston — FSC 2825
  • 1 manufacturer part number on file
  • Manufacturer of record: Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
Identification
  • NSN: 2825-00-267-0489
  • NIIN: 002670489
  • FSC: 2825 — Steam Turbines and Components
  • FSG: 28 — Engines, Turbines, and Components
  • Primary part number: M1904L
  • Manufacturer: Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
General Description

The Ring,piston, cataloged under National Stock Number 2825-00-267-0489, is classified within Federal Supply Class 2825 (Steam Turbines and Components) of the Engines, Turbines, and 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. Current acquisition status: Active.

Catalog Facts
Item NameRing,piston
FSC / FSG2825 — Steam Turbines and Components (FSG 28)
ManufacturersTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic (CAGE 61208)
Technical Specifications
ParameterValue
NSN2825-00-267-0489
Primary Part NumberM1904L
Item NameRing,piston
FSC / FSG2825 / 28 — Steam Turbines and Components
ManufacturerTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL B — Remove Demilitarization Key Points
HazardNo hazard code in the DLA record (HMIC N)
Cross-Reference Index
Part NumberManufacturer
M1904L PRIMARY Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
No interchangeability data on file.
Other items in FSC 2825 — Steam Turbines and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2825-00-001-8040
2825-00-001-8040 · Item name not on file
2825-00-001-8041
GUIDE,SPINDLE
2825-00-001-8042
2825-00-001-8042 · Item name not on file
2825-00-001-8043
2825-00-001-8043 · Item name not on file
2825-00-001-8044
2825-00-001-8044 · Item name not on file
2825-00-003-0377
2825-00-003-0377 · Item name not on file
2825-00-003-8649
2825-00-003-8649 · Item name not on file
2825-00-004-9102
2825-00-004-9102 · Item name not on file

Frequently Asked Questions

What is NSN 2825-00-267-0489?

NSN 2825-00-267-0489 is a Ring,piston, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 2825, Steam Turbines and Components. Status: active.

What part numbers are listed for NSN 2825-00-267-0489?

NSN 2825-00-267-0489 has 1 manufacturer part number on file: M1904L (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).

Is NSN 2825-00-267-0489 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

What is the DEMIL code for NSN 2825-00-267-0489?

NSN 2825-00-267-0489 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.

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.
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