Adapter, Air Intake 2990-01-498-9973 NSN 2990-01-498-9973 · NIIN 014989973 · Part number 3353139
Oshkosh Defense Llc · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 75Q65
NSN 2990-01-498-9973 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-498-9973. Manufacturer of record part number: 3353139 .
Also searched as
2990-01-498-9973 ·
2990014989973 ·
NIIN 014989973 ·
01-498-9973 ·
FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 75Q65 · 3353139
Nearby stock numbers
← 2990-01-498-9733 Lanyard, Engine-Kill Switch
·
2990-01-498-9975 Cap Assembly, Protective, Muffler- →
Features
Adapter,air Intake — FSC 2990 1 manufacturer part number on file Manufacturer of record: Oshkosh Defense Llc
Identification
NSN: 2990-01-498-9973
NIIN: 014989973
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: 3353139
Manufacturer: Oshkosh Defense Llc
General Description
The Adapter,air Intake, cataloged under National Stock Number 2990-01-498-9973, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Oshkosh Defense Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter Value NSN 2990-01-498-9973 Primary Part Number 3353139 Item Name Adapter,air Intake FSC / FSG 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft Manufacturer Oshkosh Defense Llc 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
3353139 PRIMARY Oshkosh Defense Llc (USA)
Reference documents
Reference Meaning
3353139
3/9 Design control — primary reference Oshkosh Corp
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.
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CRANK,HAND,VEHICULAR
2990-00-459-7255
MUFFLER,EXHAUST
2990-00-459-7255
MUFFLER,EXHAUST
2990-00-536-2962
BLOCK,ADJUSTING SCREW
2990-00-903-8226
MUFFLER,EXHAUST
2990-01-151-5443
CONNECTOR,EXHAUST PIPE
2990-01-151-5443
CONNECTOR,EXHAUST PIPE
Frequently Asked Questions
What is NSN 2990-01-498-9973?
NSN 2990-01-498-9973 is a Adapter,air Intake, manufactured by Oshkosh Defense Llc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
What part numbers are listed for NSN 2990-01-498-9973?
NSN 2990-01-498-9973 has 1 manufacturer part number on file: 3353139 (Oshkosh Defense Llc).
What are the specifications of 3353139?
Key specifications for 3353139: End Item Identification: 2320-01-465-2174. 0 specifications are documented in the U.S. Government catalog.
Is NSN 2990-01-498-9973 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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