Valve, Poppet, Engine2815-00-520-6678

NSN 2815-00-520-6678 · NIIN 005206678

FSC 2815 — Diesel Engines and Components · FSG 28 — Engines, Turbines, and Components

Government record, cited

Also searched as 2815-00-520-6678 · 2815005206678 · NIIN 005206678 · 00-520-6678 · FSC 2815 Diesel Engines and Components · NHA9A · NHA9A

Nearby stock numbers ← 2815-00-520-6674 · 2815-00-520-6679 →

Features

Valve,poppet,engine — FSC 2815
Stem Diameter: 0.3750 INCHES NOMINAL IN
Head Height: 0.1460 INCHES NOMINAL IN
Stem Length: 6.0980 INCHES NOMINAL IN
Seat Angle in Deg: 45.0
Neck Radius: 0.2750 INCHES NOMINAL IN
Groove Diameter: 0.2450 INCHES NOMINAL IN
Distance From Groove to Stem End: 0.1470 INCHES NOMINAL IN

Identification

NSN: 2815-00-520-6678
NIIN: 005206678
FSC: 2815 — Diesel Engines and Components
FSG: 28 — Engines, Turbines, and Components

General Description

The Valve,poppet,engine, cataloged under National Stock Number 2815-00-520-6678, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	2815-00-520-6678
Item Name	Valve,poppet,engine
FSC / FSG	2815 / 28 — Diesel Engines and Components
Status	ACTIVE
Stem Diameter	0.3750 INCHES NOMINAL IN
Head Height	0.1460 INCHES NOMINAL IN
Stem Length	6.0980 INCHES NOMINAL IN
Seat Angle in Deg	45.0
Neck Radius	0.2750 INCHES NOMINAL IN
Groove Diameter	0.2450 INCHES NOMINAL IN
Distance From Groove to Stem End	0.1470 INCHES NOMINAL IN
Outside Diameter	1.7320 INCHES NOMINAL IN
Stem Style	GROOVED
Head Style	FLAT
Carbon Relief Groove	INCLUDED
Material	STEEL OVERALL
Groove Width	0.0781 INCHES NOMINAL IN

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
NHA9A	3/9 Design control — primary reference U.S. Government activity
NHA9A	C/1 Advisory reference — outside the item-of-supply concept Fairbanks Morse, Llc

No interchangeability data on file.

Other items in FSC 2815 — Diesel Engines and Components

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

2815-00-000-0075

ENGINE,DIESEL

2815-00-001-0022

VALVE,POPPET,ENGINE

2815-00-001-3475

PISTON,INTERNAL COMBUSTION ENGIN

2815-00-001-7728

TAPPET,PUMP

2815-00-001-7737

2815-00-001-7737 · Item name not on file

2815-00-001-7805

OIL PUMP ASSEMBLY

2815-00-001-7806

CAMSHAFT,ENGINE

2815-00-001-7813

RING SET,PISTON

Frequently Asked Questions

What is NSN 2815-00-520-6678?

NSN 2815-00-520-6678 is a Valve,poppet,engine, classified under FSC 2815, Diesel Engines and Components. Status: active.

What are the specifications of 2815-00-520-6678?

Key specifications for 2815-00-520-6678: Stem Diameter: 0.3750 INCHES NOMINAL IN; Head Height: 0.1460 INCHES NOMINAL IN; Stem Length: 6.0980 INCHES NOMINAL IN; Seat Angle in Deg: 45.0. 13 specifications are documented in the U.S. Government catalog.

Is NSN 2815-00-520-6678 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.

PartsTable Design LLC · partstable.com