PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2008449C1Cap Assembly,protective,muffler-

Navistar Intl Corp Truck Br Ohio Plant · NSN 2990-01-247-9546 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-247-9546 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-247-9546. Primary manufacturer part number: 2008449C1.
Features
  • Cap Assembly,protective,muffler- — FSC 2990
  • Pipe Outside Diameter Accommodated: 5.000 INCHES IN
  • 2 verified cross-references
  • Primary manufacturer: Navistar Intl Corp Truck Br Ohio Plant
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cap Assembly,protective,muffler-, cataloged under National Stock Number 2990-01-247-9546, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Navistar Intl Corp Truck Br Ohio Plant. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-01-247-9546
Primary Part Number2008449C1
Item NameCap Assembly,protective,muffler-
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerNavistar Intl Corp Truck Br Ohio Plant
StatusACTIVE
Pipe Outside Diameter Accommodated5.000 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2990-00-870-752011016 INTERCHANGEABLE
Cap Assembly,protective,muffler-
Gleason Corp
Cross-Reference Index
Part NumberManufacturer
2008449C1 PRIMARY Navistar Intl Corp Truck Br Ohio Plant (USA)
321577R91 Navistar Intl Corp Truck Br Ohio Plant (USA)
Related Parts
2990-00-870-7520INTERCHANGEABLE
CAP ASSEMBLY,PROTECTIVE,MUFFLER-
11016

Frequently Asked Questions

What is NSN 2990-01-247-9546?

NSN 2990-01-247-9546 is a Cap Assembly,protective,muffler-, manufactured by Navistar Intl Corp Truck Br Ohio Plant, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-247-9546?

NSN 2990-01-247-9546 has 2 cross-referenced part numbers: 2008449C1 (Navistar Intl Corp Truck Br Ohio Plant), 321577R91 (Navistar Intl Corp Truck Br Ohio Plant).

What NSN replaces 2990-01-247-9546?

There is 1 known substitute for 2990-01-247-9546: 2990-00-870-7520. Verify interchangeability with system specifications before substitution.

What are the specifications of 2008449C1?

Key specifications for 2008449C1: End Item Identification: TRUCK; NAVISTAR INTERNATIONAL CORP; MODEL 1452; Pipe Outside Diameter Accommodated: 5.000 INCHES IN. 2 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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