NSN 2520-01-197-8567 — this item is cataloged by the U.S. Government under National Stock Number 2520-01-197-8567. Manufacturer of record part number: B1399B.
Also searched as2520-01-197-8567 ·
2520011978567 ·
NIIN 011978567 ·
01-197-8567 ·
FSC 2520 Vehicular Power Transmission Components · CAGE 61208 · B1399B · T44866 · T44866
The Piston,valve, cataloged under National Stock Number 2520-01-197-8567, 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 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
Catalog Facts
Item Name
Piston,valve
FSC / FSG
2520 — Vehicular Power Transmission Components (FSG 25)
Manufacturers
Deere & Company Dba Deere John Co (CAGE 75755); Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (CAGE 61208)
Technical Specifications
Parameter
Value
NSN
2520-01-197-8567
Primary Part Number
B1399B
Item Name
Piston,valve
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 2520-01-197-8567?
NSN 2520-01-197-8567 is a Piston,valve, 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 2520-01-197-8567?
NSN 2520-01-197-8567 has 2 manufacturer part numbers on file: T44866 (Deere & Company Dba Deere John Co), B1399B (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).
Is NSN 2520-01-197-8567 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.