Valve, Positive Crankcase Ventila 2990-01-386-3288 NSN 2990-01-386-3288 · NIIN 013863288 · Part number RTD-850
Omega Engineering, Inc. · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 29907
NSN 2990-01-386-3288 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-386-3288. Manufacturer of record part number: RTD-850 .
Also searched as
2990-01-386-3288 ·
2990013863288 ·
NIIN 013863288 ·
01-386-3288 ·
FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 29907 · RTD-850
Nearby stock numbers
← 2990-01-386-3248 Switch, Engine Temperature, Automo
·
2990-01-386-3321 Pipe, Exhaust →
Features
Valve,positive Crankcase Ventila — FSC 2990 1 manufacturer part number on file Manufacturer of record: Omega Engineering, Inc.
Identification
NSN: 2990-01-386-3288
NIIN: 013863288
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: RTD-850
Manufacturer: Omega Engineering, Inc.
General Description
The Valve,positive Crankcase Ventila, cataloged under National Stock Number 2990-01-386-3288, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Omega Engineering, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Catalog Facts
Item Name Valve,positive Crankcase Ventila FSC / FSG 2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29) Manufacturers Omega Engineering, Inc. (CAGE 29907)
Technical Specifications
Parameter Value NSN 2990-01-386-3288 Primary Part Number RTD-850 Item Name Valve,positive Crankcase Ventila FSC / FSG 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft Manufacturer Omega Engineering, 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)
Cross-Reference Index
Part Number Manufacturer
RTD-850 PRIMARY Omega Engineering, Inc. (USA)
No interchangeability data on file.
Other items in FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2990-00-001-0001
BLOWER ASSEMBLY
2990-00-001-1248
2990-00-001-1248 · Item name not on file
2990-00-001-1250
2990-00-001-1250 · Item name not on file
2990-00-001-2055
2990-00-001-2055 · Item name not on file
2990-00-001-3498
2990-00-001-3498 · Item name not on file
2990-00-001-3520
2990-00-001-3520 · Item name not on file
2990-00-001-3521
2990-00-001-3521 · Item name not on file
2990-00-001-3522
CAP ASSEMBLY,MUFFLE
Frequently Asked Questions
What is NSN 2990-01-386-3288?
NSN 2990-01-386-3288 is a Valve,positive Crankcase Ventila, manufactured by Omega Engineering, Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
What part numbers are listed for NSN 2990-01-386-3288?
NSN 2990-01-386-3288 has 1 manufacturer part number on file: RTD-850 (Omega Engineering, Inc.).
Is NSN 2990-01-386-3288 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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