PartsTable TECHNICAL DATA SHEET

NSN 2815-01-314-1047Government record, cited

Ring, Piston2815-01-314-1047

NSN 2815-01-314-1047 · NIIN 013141047 · Part number 3093421M1

Pittsburg Tractor Inc · FSC 2815 — Diesel Engines and Components · FSG 28 — Engines, Turbines, and Components · CAGE 3VDA1

Government record, cited

NSN 2815-01-314-1047 — this item is cataloged by the U.S. Government under National Stock Number 2815-01-314-1047. Manufacturer of record part number: 3093421M1.

Also searched as 2815-01-314-1047 · 2815013141047 · NIIN 013141047 · 01-314-1047 · FSC 2815 Diesel Engines and Components · CAGE 3VDA1 · 3093421M1 · 2871238M1

Nearby stock numbers ← 2815-01-314-0442 Cover, Engine Poppet Valve Rocker · 2815-01-314-1051 →

Features

Ring,piston — FSC 2815
Standard Bore Diameter: 120.0 MILLIMETERS MM
1 manufacturer part number on file
Manufacturer of record: Pittsburg Tractor Inc

Identification

NSN: 2815-01-314-1047
NIIN: 013141047
FSC: 2815 — Diesel Engines and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 3093421M1
Manufacturer: Pittsburg Tractor Inc

General Description

The Ring,piston, cataloged under National Stock Number 2815-01-314-1047, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Pittsburg Tractor Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	2815-01-314-1047
Primary Part Number	3093421M1
Item Name	Ring,piston
FSC / FSG	2815 / 28 — Diesel Engines and Components
Manufacturer	Pittsburg Tractor Inc
Status	ACTIVE
Standard Bore Diameter	120.0 MILLIMETERS MM

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

Part Number	Manufacturer
3093421M1 PRIMARY	Pittsburg Tractor Inc (USA)

Reference documents

Reference	Meaning
2871238M1	5/9 Secondary reference European American Supply Co
3093421M1	5/9 Secondary reference European American Supply Co

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 2815-01-314-1047?

NSN 2815-01-314-1047 is a Ring,piston, manufactured by Pittsburg Tractor Inc, classified under FSC 2815, Diesel Engines and Components. Status: active.

What part numbers are listed for NSN 2815-01-314-1047?

NSN 2815-01-314-1047 has 1 manufacturer part number on file: 3093421M1 (Pittsburg Tractor Inc).

What are the specifications of 3093421M1?

Key specifications for 3093421M1: Standard Bore Diameter: 120.0 MILLIMETERS MM. 1 specification is documented in the U.S. Government catalog.

Is NSN 2815-01-314-1047 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.

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