PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43612Muffler,exhaust

Industrial Technologies and Services Llc · NSN 2990-01-398-4570 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-398-4570 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-398-4570. Primary manufacturer part number: 43612.
Features
  • Muffler,exhaust — FSC 2990
  • 2 verified cross-references
  • Primary manufacturer: Industrial Technologies and Services Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-01-398-4570, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Industrial Technologies and Services Llc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-01-398-4570
Primary Part Number43612
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerIndustrial Technologies and Services Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5999-00-243-21331450144-2 INTERCHANGEABLE
Contact,electrical
Caes Systems Llc
5133-00-293-290543612 INTERCHANGEABLE
Bit,auger
Stanley Tools Div of Stanley Works
5950-01-161-585713727 INTERCHANGEABLE
Transformer,power
Magnespec Inc
4720-01-503-8491436-12 INTERCHANGEABLE
Hose Assembly,nonmetallic
Parker-Hannifin Corporation Dba Pneutronics Div Hose Products Division
Cross-Reference Index
Part NumberManufacturer
52-2000T9BR Turbo Industries Inc (USA)
43612 PRIMARY Industrial Technologies and Services Llc (USA)
Related Parts
5999-00-243-2133INTERCHANGEABLE
CONTACT,ELECTRICAL
1450144-2
5133-00-293-2905INTERCHANGEABLE
BIT,AUGER
43612
5950-01-161-5857INTERCHANGEABLE
TRANSFORMER,POWER
13727
4720-01-503-8491INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
436-12

Frequently Asked Questions

What is NSN 2990-01-398-4570?

NSN 2990-01-398-4570 is a Muffler,exhaust, manufactured by Industrial Technologies and Services Llc, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-398-4570?

NSN 2990-01-398-4570 has 2 cross-referenced part numbers: 52-2000T9BR (Turbo Industries Inc), 43612 (Industrial Technologies and Services Llc).

What NSN replaces 2990-01-398-4570?

There are 4 known substitutes for 2990-01-398-4570: 5999-00-243-2133, 5133-00-293-2905, 5950-01-161-5857 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 43612?

Key specifications for 43612: End Item Identification: 4320-00-137-9690. 1 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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