PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

217681Seat,valve

Clark Material Handling Company · NSN 4820-00-045-4005 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-045-4005 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-045-4005. Primary manufacturer part number: 217681.
Features
  • Seat,valve — FSC 4820
  • Material: STEEL OVERALL
  • 4 verified cross-references
  • Primary manufacturer: Clark Material Handling Company
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-045-4005, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Clark Material Handling Company. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN4820-00-045-4005
Primary Part Number217681
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerClark Material Handling Company
StatusACTIVE
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5331-01-169-317175032 INTERCHANGEABLE
O-Ring
Paccar Winch Inc Dba Paccar Winch Division
Cross-Reference Index
Part NumberManufacturer
217681 Clark Equipment Co (USA)
217681 PRIMARY Clark Material Handling Company (USA)
304049C1 PRIMARY Navistar Intl Corp Truck Br Ohio Plant (USA)
304049C1 Navistar International Corporation Dba Navistar (USA)
Related Parts
5331-01-169-3171INTERCHANGEABLE
O-RING
75032

Frequently Asked Questions

What is NSN 4820-00-045-4005?

NSN 4820-00-045-4005 is a Seat,valve, manufactured by Clark Material Handling Company, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-045-4005?

NSN 4820-00-045-4005 has 4 cross-referenced part numbers: 217681 (Clark Equipment Co), 217681 (Clark Material Handling Company), 304049C1 (Navistar Intl Corp Truck Br Ohio Plant), 304049C1 (Navistar International Corporation Dba Navistar).

What NSN replaces 4820-00-045-4005?

There is 1 known substitute for 4820-00-045-4005: 5331-01-169-3171. Verify interchangeability with system specifications before substitution.

What are the specifications of 217681?

Key specifications for 217681: Material: STEEL OVERALL. 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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