Breather2815-01-491-1777

NSN 2815-01-491-1777 · NIIN 014911777 · Part number 6646626

Melroe Co · FSC 2815 — Diesel Engines and Components · FSG 28 — Engines, Turbines, and Components · CAGE 9W224

Government record, cited

NSN 2815-01-491-1777 — this item is cataloged by the U.S. Government under National Stock Number 2815-01-491-1777. Manufacturer of record part number: 6646626.

Also searched as 2815-01-491-1777 · 2815014911777 · NIIN 014911777 · 01-491-1777 · FSC 2815 Diesel Engines and Components · CAGE 9W224 · 6646626

Nearby stock numbers ← 2815-01-491-1772 Breather · 2815-01-491-1778 Engine, Diesel →

Features

Breather — FSC 2815
1 manufacturer part number on file
Manufacturer of record: Melroe Co

Identification

NSN: 2815-01-491-1777
NIIN: 014911777
FSC: 2815 — Diesel Engines and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 6646626
Manufacturer: Melroe Co

General Description

The Breather, cataloged under National Stock Number 2815-01-491-1777, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Melroe Co. 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	2815-01-491-1777
Primary Part Number	6646626
Item Name	Breather
FSC / FSG	2815 / 28 — Diesel Engines and Components
Manufacturer	Melroe Co
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
6646626 PRIMARY	Melroe Co (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 2815-01-491-1777?

NSN 2815-01-491-1777 is a Breather, manufactured by Melroe Co, classified under FSC 2815, Diesel Engines and Components. Status: active.

What part numbers are listed for NSN 2815-01-491-1777?

NSN 2815-01-491-1777 has 1 manufacturer part number on file: 6646626 (Melroe Co).

What are the specifications of 6646626?

Key specifications for 6646626: End Item Identification: BOB CAT 853. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2815-01-491-1777 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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