PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ERC400Cap Assembly,protective,muffler-

Herschel R Mfg Corp · NSN 2990-00-363-5798 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-363-5798 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-363-5798. Primary manufacturer part number: ERC400.
Features
  • Cap Assembly,protective,muffler- — FSC 2990
  • 3 verified cross-references
  • Primary manufacturer: Herschel R Mfg Corp
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 2990-00-363-5798, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Herschel R Mfg Corp. This item has 3 commercial cross-references from 2 manufacturers, 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
NSN2990-00-363-5798
Primary Part NumberERC400
Item NameCap Assembly,protective,muffler-
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerHerschel R Mfg Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2990-01-218-681935907 INTERCHANGEABLE
Cap Assembly,protective,muffler-
Walker Mfg Co
Cross-Reference Index
Part NumberManufacturer
ERC400 Herschel R Mfg Corp (USA)
7-258-000065 Grove U.s. Llc Dba Grove Us Llc (USA)
7-258-000303 Grove U.s. Llc Dba Grove Us Llc (USA)
Related Parts
2990-01-218-6819INTERCHANGEABLE
CAP ASSEMBLY,PROTECTIVE,MUFFLER-
35907

Frequently Asked Questions

What is NSN 2990-00-363-5798?

NSN 2990-00-363-5798 is a Cap Assembly,protective,muffler-, manufactured by Herschel R Mfg Corp, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-00-363-5798?

NSN 2990-00-363-5798 has 3 cross-referenced part numbers: ERC400 (Herschel R Mfg Corp), 7-258-000065 (Grove U.s. Llc Dba Grove Us Llc), 7-258-000303 (Grove U.s. Llc Dba Grove Us Llc).

What NSN replaces 2990-00-363-5798?

There is 1 known substitute for 2990-00-363-5798: 2990-01-218-6819. Verify interchangeability with system specifications before substitution.

What are the specifications of ERC400?

Key specifications for ERC400: Special Features: ROUND SHAPE. 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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