PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NSS3-300Mount,muffler,aft

Isolation Technology Inc · NSN 2990-01-190-0490 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-190-0490 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-190-0490. Primary manufacturer part number: NSS3-300.
Features
  • Mount,muffler,aft — FSC 2990
  • FSC Application Data: MISCELLANEOUS ENGINE ACCESSORIES,NONAIRCRAFT
  • General Characteristics Item Description: CODE COLOR BLUE; 300.0 LOAD LBS; 5.625 IN. H; 3.750 IN. W IN
  • 2 verified cross-references
  • Primary manufacturer: Isolation Technology Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Mount,muffler,aft, cataloged under National Stock Number 2990-01-190-0490, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Isolation Technology Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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
NSN2990-01-190-0490
Primary Part NumberNSS3-300
Item NameMount,muffler,aft
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerIsolation Technology Inc
StatusACTIVE
FSC Application DataMISCELLANEOUS ENGINE ACCESSORIES,NONAIRCRAFT
General Characteristics Item DescriptionCODE COLOR BLUE; 300.0 LOAD LBS; 5.625 IN. H; 3.750 IN. W IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5340-01-135-1609FC300 INTERCHANGEABLE
Cap,protective,dust and Moisture
Sinclair & Rush, Inc. Dba Sinclair & Rush Inc
7010-01-600-5459FC300 INTERCHANGEABLE
Computer System,digital
Itron Inc
Cross-Reference Index
Part NumberManufacturer
FC-300 Korfund Dynamics Corp (USA)
NSS3-300 PRIMARY Isolation Technology Inc (USA)
Related Parts
5340-01-135-1609INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
FC300
7010-01-600-5459INTERCHANGEABLE
COMPUTER SYSTEM,DIGITAL
FC300

Frequently Asked Questions

What is NSN 2990-01-190-0490?

NSN 2990-01-190-0490 is a Mount,muffler,aft, manufactured by Isolation Technology Inc, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-190-0490?

NSN 2990-01-190-0490 has 2 cross-referenced part numbers: FC-300 (Korfund Dynamics Corp), NSS3-300 (Isolation Technology Inc).

What NSN replaces 2990-01-190-0490?

There are 2 known substitutes for 2990-01-190-0490: 5340-01-135-1609, 7010-01-600-5459. Verify interchangeability with system specifications before substitution.

What are the specifications of NSS3-300?

Key specifications for NSS3-300: FSC Application Data: MISCELLANEOUS ENGINE ACCESSORIES,NONAIRCRAFT; General Characteristics Item Description: CODE COLOR BLUE; 300.0 LOAD LBS; 5.625 IN. H; 3.750 IN. W IN; End Item Identification: U/O MOBILE GROUND TERMINALS. 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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