PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

650-163Muffler

Ampex Systems Corp · NSN 2990-01-087-9878 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-087-9878 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-087-9878. Primary manufacturer part number: 650-163.
Features
  • Muffler — FSC 2990
  • 1 verified cross-reference
  • Primary manufacturer: Ampex Systems Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Muffler, cataloged under National Stock Number 2990-01-087-9878, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Ampex Systems Corp. 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.

Catalog Facts
Item NameMuffler
FSC / FSG2990 — No Item Name Available (FSG 29)
ManufacturersAmpex Systems Corp (CAGE 92739)
Technical Specifications
ParameterValue
NSN2990-01-087-9878
Primary Part Number650-163
Item NameMuffler
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerAmpex Systems Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5950-00-241-8865 INTERCHANGEABLE
Coil,radio Frequency
5950-01-260-3415650163 INTERCHANGEABLE
Reactor
Avtron Aerospace Inc
Cross-Reference Index
Part NumberManufacturer
650-163 Ampex Systems Corp (USA)
Related Parts
5950-00-241-8865INTERCHANGEABLE
COIL,RADIO FREQUENCY
5950-01-260-3415INTERCHANGEABLE
REACTOR
650163

Frequently Asked Questions

What is NSN 2990-01-087-9878?

NSN 2990-01-087-9878 is a Muffler, manufactured by Ampex Systems Corp, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-087-9878?

NSN 2990-01-087-9878 has 1 cross-referenced part number: 650-163 (Ampex Systems Corp).

What NSN replaces 2990-01-087-9878?

There are 2 known substitutes for 2990-01-087-9878: 5950-00-241-8865, 5950-01-260-3415. Verify interchangeability with system specifications before substitution.

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