PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

850757Seat,valve

Dana Off Highway Products, Llc · NSN 4820-00-164-2664 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-164-2664 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-164-2664. Primary manufacturer part number: 850757.
Features
  • Seat,valve — FSC 4820
  • Flange Seat to Disk End Height: 0.032 INCHES NOMINAL IN
  • Body Inside Diameter: 0.750 INCHES NOMINAL IN
  • Under Flange Height: 0.148 INCHES NOMINAL IN
  • Seating Surface Shape: FLAT
  • Style Designator: PLAIN FLANGED
  • Material: STEEL OVERALL
  • Flange Diameter: 0.938 INCHES NOMINAL IN
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 4820-00-164-2664, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Dana Off Highway Products, Llc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 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
NSN4820-00-164-2664
Primary Part Number850757
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDana Off Highway Products, Llc
StatusACTIVE
Flange Seat to Disk End Height0.032 INCHES NOMINAL IN
Body Inside Diameter0.750 INCHES NOMINAL IN
Under Flange Height0.148 INCHES NOMINAL IN
Seating Surface ShapeFLAT
Style DesignatorPLAIN FLANGED
MaterialSTEEL OVERALL
Flange Diameter0.938 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5905-00-158-5076 INTERCHANGEABLE
Resistor,fixed,wire Wound
6625-00-364-7132302-0064 INTERCHANGEABLE
Ammeter
Cummins Power Generation Inc.
2915-00-960-124076907 INTERCHANGEABLE
Cover,pumping Gears
Triumph Engine Control Systems Llc
5310-01-528-3061Q3608 INTERCHANGEABLE
Nut,self-Locking,hexagon
Florida Aeronautics, Inc Dba Florida Aeronautics, Inc
Cross-Reference Index
Part NumberManufacturer
76907 Hyster-Yale Group, Inc. (USA)
264831 General Motors Corp Saginaw Div (USA)
07-850757 Lift Parts Mfg Co Inc Div of Echlin Mfg Co the (USA)
07-850757 Tvh Parts Co. (USA)
264831 General Motors Corp (USA)
850757 PRIMARY Dana Off Highway Products, Llc (USA)
850757 Clark Equipment Co (USA)
Related Parts
5905-00-158-5076INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
6625-00-364-7132INTERCHANGEABLE
AMMETER
302-0064
2915-00-960-1240INTERCHANGEABLE
COVER,PUMPING GEARS
76907
5310-01-528-3061INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
Q3608

Frequently Asked Questions

What is NSN 4820-00-164-2664?

NSN 4820-00-164-2664 is a Seat,valve, manufactured by Dana Off Highway Products, Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-164-2664?

NSN 4820-00-164-2664 has 7 cross-referenced part numbers: 76907 (Hyster-Yale Group, Inc.), 264831 (General Motors Corp Saginaw Div), 07-850757 (Lift Parts Mfg Co Inc Div of Echlin Mfg Co the), 07-850757 (Tvh Parts Co.), 264831 (General Motors Corp) and 2 more.

What NSN replaces 4820-00-164-2664?

There are 4 known substitutes for 4820-00-164-2664: 5905-00-158-5076, 6625-00-364-7132, 2915-00-960-1240 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 850757?

Key specifications for 850757: Flange Seat to Disk End Height: 0.032 INCHES NOMINAL IN; Body Inside Diameter: 0.750 INCHES NOMINAL IN; Under Flange Height: 0.148 INCHES NOMINAL IN; Seating Surface Shape: FLAT. 7 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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