PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42170-13Muffler,exhaust

Tennant Company · NSN 2990-01-141-1350 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-141-1350 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-141-1350. Primary manufacturer part number: 42170-13.
Features
  • Muffler,exhaust — FSC 2990
  • 3 verified cross-references
  • Primary manufacturer: Tennant Company
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-01-141-1350, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Tennant Company. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameMuffler,exhaust
FSC / FSG2990 — No Item Name Available (FSG 29)
ManufacturersTennant Company (CAGE 59500)
Technical Specifications
ParameterValue
NSN2990-01-141-1350
Primary Part Number42170-13
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerTennant Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5977-00-655-2658 INTERCHANGEABLE
Brush,electrical Contact
5365-01-222-884303978 INTERCHANGEABLE
Bushing
Stanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools
3120-01-290-823703978 INTERCHANGEABLE
Bearing,sleeve
Teikoku Usa Inc. Div Chempump, a Division of Teikoku Usa Inc
6515-01-591-9315635 INTERCHANGEABLE
Support,arm and Shoulder
Joslin Orthopedic Gear
Cross-Reference Index
Part NumberManufacturer
42170-13 Tennant Company (USA)
03978 Tennant Company (USA)
21726 Tennant Company (USA)
Related Parts
5977-00-655-2658INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
5365-01-222-8843INTERCHANGEABLE
BUSHING
03978
3120-01-290-8237INTERCHANGEABLE
BEARING,SLEEVE
03978
6515-01-591-9315INTERCHANGEABLE
SUPPORT,ARM AND SHOULDER
635

Frequently Asked Questions

What is NSN 2990-01-141-1350?

NSN 2990-01-141-1350 is a Muffler,exhaust, manufactured by Tennant Company, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-141-1350?

NSN 2990-01-141-1350 has 3 cross-referenced part numbers: 42170-13 (Tennant Company), 03978 (Tennant Company), 21726 (Tennant Company).

What NSN replaces 2990-01-141-1350?

There are 4 known substitutes for 2990-01-141-1350: 5977-00-655-2658, 5365-01-222-8843, 3120-01-290-8237 and 1 more. Verify interchangeability with system specifications before substitution.

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