PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

49077Sensor,exhaust Gas,oxygen,emissi

Westerbeke Corporation · NSN 2990-01-631-8558 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-631-8558 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-631-8558. Primary manufacturer part number: 49077.
Features
  • Sensor,exhaust Gas,oxygen,emissi — FSC 2990
  • 1 verified cross-reference
  • Primary manufacturer: Westerbeke Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Sensor,exhaust Gas,oxygen,emissi, cataloged under National Stock Number 2990-01-631-8558, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Westerbeke Corporation. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-01-631-8558
Primary Part Number49077
Item NameSensor,exhaust Gas,oxygen,emissi
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerWesterbeke Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5365-00-673-224749077 INTERCHANGEABLE
Ring,drogue
Products Support, Llc Dba Vitesse Systems - Jessup, Md
5340-01-655-824049077 INTERCHANGEABLE
Bracket,mounting
Tld Wollard Llc
Cross-Reference Index
Part NumberManufacturer
49077 PRIMARY Westerbeke Corporation (USA)
Related Parts
5365-00-673-2247INTERCHANGEABLE
RING,DROGUE
49077
5340-01-655-8240INTERCHANGEABLE
BRACKET,MOUNTING
49077

Frequently Asked Questions

What is NSN 2990-01-631-8558?

NSN 2990-01-631-8558 is a Sensor,exhaust Gas,oxygen,emissi, manufactured by Westerbeke Corporation, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-631-8558?

NSN 2990-01-631-8558 has 1 cross-referenced part number: 49077 (Westerbeke Corporation).

What NSN replaces 2990-01-631-8558?

There are 2 known substitutes for 2990-01-631-8558: 5365-00-673-2247, 5340-01-655-8240. Verify interchangeability with system specifications before substitution.

What are the specifications of 49077?

Key specifications for 49077: Special Features: SENSOR OXYGEN WIDE BAND; Part Name Assigned by Controlling Agency: SENSOR,EXHAUST GAS; End Item Identification: GENERATOR SET,GASOLINE ENGINE,14KW. 3 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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