NSN 2815-00-415-5820 · NIIN 004155820 · Part number 7897
Cooper Machinery Services Llc · FSC 2815 — Diesel Engines and Components · FSG 28 — Engines, Turbines, and Components · CAGE 14541
Government record, cited
NSN 2815-00-415-5820 — this item is cataloged by the U.S. Government under National Stock Number 2815-00-415-5820. Manufacturer of record part number: 7897.
Also searched as2815-00-415-5820 ·
2815004155820 ·
NIIN 004155820 ·
00-415-5820 ·
FSC 2815 Diesel Engines and Components · CAGE 14541 · 7897 · 72018PC7
Manufacturer of record: Cooper Machinery Services Llc
Identification
NSN: 2815-00-415-5820
NIIN: 004155820
FSC: 2815 — Diesel Engines and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 7897
Manufacturer: Cooper Machinery Services Llc
General Description
The Piston,valve, cataloged under National Stock Number 2815-00-415-5820, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Cooper Machinery Services Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Piston,valve
FSC / FSG
2815 — Diesel Engines and Components (FSG 28)
Manufacturers
Cooper Machinery Services Llc (CAGE 14541)
Technical Specifications
Parameter
Value
NSN
2815-00-415-5820
Primary Part Number
7897
Item Name
Piston,valve
FSC / FSG
2815 / 28 — Diesel Engines and Components
Manufacturer
Cooper Machinery Services Llc
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5340-00-598-0387789-7POSSIBLE MATCH
CLAMP,LOOP
Possible match (shared part number)Hydro-Aire Aerospace Corp
1680-00-719-46577897POSSIBLE MATCH
PARTS KIT,CAP
Possible match (shared part number)Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging
5307-01-073-8637POSSIBLE MATCH
STUD,CONTINUOUS THREAD
Possible match (shared part number)
6660-01-147-68287897POSSIBLE MATCH
WINDSHIELD,PRECIPITATON GAGE
Possible match (shared part number)Aiw-Alton Inc
5365-01-150-7832NW17193POSSIBLE MATCH
BUSHING,MACHINE THREAD
Possible match (shared part number)Tld Wollard Llc
NSN 2815-00-415-5820 is a Piston,valve, manufactured by Cooper Machinery Services Llc, classified under FSC 2815, Diesel Engines and Components. Status: active.
What part numbers are listed for NSN 2815-00-415-5820?
NSN 2815-00-415-5820 has 1 manufacturer part number on file: 7897 (Cooper Machinery Services Llc).
What NSN replaces 2815-00-415-5820?
7 possible matches (shared part number, not a government interchangeability claim): 5340-00-598-0387, 1680-00-719-4657, 5307-01-073-8637. Verify interchangeability with system specifications before substitution.
Is NSN 2815-00-415-5820 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.
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.