Piston, Internal Combustion Engin2815-01-677-0174

NSN 2815-01-677-0174 · NIIN 016770174 · Part number X51103700040

Polymer Steel Corp · FSC 2815 — Diesel Engines and Components · FSG 28 — Engines, Turbines, and Components · CAGE 72580

Government record, cited

NSN 2815-01-677-0174 — this item is cataloged by the U.S. Government under National Stock Number 2815-01-677-0174. Manufacturer of record part number: X51103700040.

Also searched as 2815-01-677-0174 · 2815016770174 · NIIN 016770174 · 01-677-0174 · FSC 2815 Diesel Engines and Components · CAGE 72580 · X51103700040

Nearby stock numbers ← 2815-01-676-9406 Cylinder Head, Diesel Engine · 2815-01-677-0375 Tank, Coolant Fluid, Diesel Engine →

Features

Piston,internal Combustion Engin — FSC 2815
1 manufacturer part number on file
Manufacturer of record: Polymer Steel Corp

Identification

NSN: 2815-01-677-0174
NIIN: 016770174
FSC: 2815 — Diesel Engines and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: X51103700040
Manufacturer: Polymer Steel Corp

General Description

The Piston,internal Combustion Engin, cataloged under National Stock Number 2815-01-677-0174, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Polymer Steel Corp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	2815-01-677-0174
Primary Part Number	X51103700040
Item Name	Piston,internal Combustion Engin
FSC / FSG	2815 / 28 — Diesel Engines and Components
Manufacturer	Polymer Steel Corp
Status	ACTIVE

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
X51103700040 PRIMARY	Polymer Steel Corp (USA)

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.

2815-00-011-9099

2815-00-011-9099 · Item name not on file

2815-00-017-1875

2815-00-024-4185

2815-00-024-4185 · Item name not on file

2815-00-033-1482

2815-00-033-1482 · Item name not on file

2815-00-036-5350

2815-00-036-5350 · Item name not on file

2815-00-179-7630

TUBE

2815-00-346-4639

STRAINER ASSY

2815-00-592-5308

RING,PISTON

Frequently Asked Questions

What is NSN 2815-01-677-0174?

NSN 2815-01-677-0174 is a Piston,internal Combustion Engin, manufactured by Polymer Steel Corp, classified under FSC 2815, Diesel Engines and Components. Status: active.

What part numbers are listed for NSN 2815-01-677-0174?

NSN 2815-01-677-0174 has 1 manufacturer part number on file: X51103700040 (Polymer Steel Corp).

What are the specifications of X51103700040?

Key specifications for X51103700040: Special Features: PISTON; Part Name Assigned by Controlling Agency: PISTON,INTERNAL COMBUSTION ENGINE; End Item Identification: EMGINE, DIESEL. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2815-01-677-0174 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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