PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2797Disk,valve

Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division · NSN 4820-00-922-0172 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-922-0172 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-922-0172. Primary manufacturer part number: 2797.
Features
  • Disk,valve — FSC 4820
  • Tip Diameter: 0.180 INCHES NOMINAL IN
  • Material: STEEL
  • Flange Seat to Disk End Height: 0.500 INCHES NOMINAL IN
  • Seat Angle: 60.0 DEGREES NOMINAL
  • Under Flange Height: 0.150 INCHES NOMINAL IN
  • Style Designator: POPPET
  • Shank Diameter: 0.186 INCHES NOMINAL IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-00-922-0172, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-922-0172
Primary Part Number2797
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
StatusACTIVE
Tip Diameter0.180 INCHES NOMINAL IN
MaterialSTEEL
Flange Seat to Disk End Height0.500 INCHES NOMINAL IN
Seat Angle60.0 DEGREES NOMINAL
Under Flange Height0.150 INCHES NOMINAL IN
Style DesignatorPOPPET
Shank Diameter0.186 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5331-00-078-72962797 INTERCHANGEABLE
O-Ring
Lawler Manufacturing Company, Inc.
4940-00-391-4558 INTERCHANGEABLE
Blade,rotor
6625-00-757-0342 INTERCHANGEABLE
Meter,output
5950-00-945-462068400151001 INTERCHANGEABLE
Transformer,power Autotransforme
Elbitamerica, Inc.
5940-01-071-9869 INTERCHANGEABLE
Terminal,quick Disconnect
5365-01-150-92942797 INTERCHANGEABLE
Bushing
Electro Scientific Industries Inc
6520-01-295-08022797 INTERCHANGEABLE
Sealant Kit,dental,pit and Fissu
Dentsply Sirona Inc. Dba Dentsply Professional Div Dentsply Professional/preventive
6640-01-553-01752797 INTERCHANGEABLE
Plate,spot Test
Corning Inc Science Products Div
6525-01-631-81992797 INTERCHANGEABLE
Ultrasonic Unit,diagnostic,human
Reable Therapeutics Inc Dba Chattanooga Group
Cross-Reference Index
Part NumberManufacturer
GN2797 Astec Industries Inc Div Astec Ind. (USA)
2797 Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division (USA)
GN2797 Minnpar, Llc Dba Minnpar (USA)
2797 PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA)
GN2797 Barber-Greene Co (USA)
Related Parts
5331-00-078-7296INTERCHANGEABLE
O-RING
2797
4940-00-391-4558INTERCHANGEABLE
BLADE,ROTOR
6625-00-757-0342INTERCHANGEABLE
METER,OUTPUT
5950-00-945-4620INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
68400151001
5940-01-071-9869INTERCHANGEABLE
TERMINAL,QUICK DISCONNECT
5365-01-150-9294INTERCHANGEABLE
BUSHING
2797
6520-01-295-0802INTERCHANGEABLE
SEALANT KIT,DENTAL,PIT AND FISSU
2797
6640-01-553-0175INTERCHANGEABLE
PLATE,SPOT TEST
2797
6525-01-631-8199INTERCHANGEABLE
ULTRASONIC UNIT,DIAGNOSTIC,HUMAN
2797

Frequently Asked Questions

What is NSN 4820-00-922-0172?

NSN 4820-00-922-0172 is a Disk,valve, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-922-0172?

NSN 4820-00-922-0172 has 5 cross-referenced part numbers: GN2797 (Astec Industries Inc Div Astec Ind.), 2797 (Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division), GN2797 (Minnpar, Llc Dba Minnpar), 2797 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division), GN2797 (Barber-Greene Co).

What NSN replaces 4820-00-922-0172?

There are 9 known substitutes for 4820-00-922-0172: 5331-00-078-7296, 4940-00-391-4558, 6625-00-757-0342 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2797?

Key specifications for 2797: Tip Diameter: 0.180 INCHES NOMINAL IN; Material: STEEL; Flange Seat to Disk End Height: 0.500 INCHES NOMINAL IN; Seat Angle: 60.0 DEGREES NOMINAL. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com