Valve, Positive Crankcase Ventila2990-01-541-0781

NSN 2990-01-541-0781 · NIIN 015410781 · Part number 110566080

Northern Lights Inc · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 8L945

Government record, cited

NSN 2990-01-541-0781 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-541-0781. Manufacturer of record part number: 110566080.

Also searched as 2990-01-541-0781 · 2990015410781 · NIIN 015410781 · 01-541-0781 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 8L945 · 110566080

Nearby stock numbers ← 2990-01-540-9778 Muffler, Exhaust · 2990-01-541-1306 Connector, Exhaust Pipe →

Features

Valve,positive Crankcase Ventila — FSC 2990
1 manufacturer part number on file
Manufacturer of record: Northern Lights Inc

Identification

NSN: 2990-01-541-0781
NIIN: 015410781
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: 110566080
Manufacturer: Northern Lights Inc

General Description

The Valve,positive Crankcase Ventila, cataloged under National Stock Number 2990-01-541-0781, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Northern Lights Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Valve,positive Crankcase Ventila
FSC / FSG	2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29)
Manufacturers	Northern Lights Inc (CAGE 8L945)

Technical Specifications

Parameter	Value
NSN	2990-01-541-0781
Primary Part Number	110566080
Item Name	Valve,positive Crankcase Ventila
FSC / FSG	2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
Manufacturer	Northern Lights Inc
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

⇄ Related Items 1

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

2815-01-564-4218110566080 POSSIBLE MATCH

CYLINDER HEAD,DIESEL ENGINE

Possible match (shared part number)Southwest Products Corporation Dba S W P

Cross-Reference Index

Part Number	Manufacturer
110566080 PRIMARY	Northern Lights Inc (USA)

Related Parts

2815-01-564-4218POSSIBLE MATCH

CYLINDER HEAD,DIESEL ENGINE

110566080

Frequently Asked Questions

What is NSN 2990-01-541-0781?

NSN 2990-01-541-0781 is a Valve,positive Crankcase Ventila, manufactured by Northern Lights Inc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What part numbers are listed for NSN 2990-01-541-0781?

NSN 2990-01-541-0781 has 1 manufacturer part number on file: 110566080 (Northern Lights Inc).

What NSN replaces 2990-01-541-0781?

1 possible match (shared part number, not a government interchangeability claim): 2815-01-564-4218. Verify interchangeability with system specifications before substitution.

Is NSN 2990-01-541-0781 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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