PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

75323Seat,valve

Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group · NSN 4820-00-320-9205 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-320-9205 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-320-9205. Primary manufacturer part number: 75323.
Features
  • Seat,valve — FSC 4820
  • Body Outside Diameter: 1.187 INCHES NOMINAL IN
  • Flange Diameter: 1.437 INCHES NOMINAL IN
  • Seating Surface Shape: ANGULAR
  • Surface Treatment: GOLD OVERALL
  • Material: STEEL OVERALL
  • Style Designator: PLAIN FLANGED
  • Under Flange Height: 1.062 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 4820-00-320-9205, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-320-9205
Primary Part Number75323
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
StatusCANCELLED
Body Outside Diameter1.187 INCHES NOMINAL IN
Flange Diameter1.437 INCHES NOMINAL IN
Seating Surface ShapeANGULAR
Surface TreatmentGOLD OVERALL
MaterialSTEEL OVERALL
Style DesignatorPLAIN FLANGED
Under Flange Height1.062 INCHES NOMINAL IN
Body Inside Diameter0.781 INCHES NOMINAL IN
Seat Angle in Deg45.000 NOMINAL
Flange Seat to Disk End Height0.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5440-00-061-8895FE3232 INTERCHANGEABLE
Ladder,extension
Louisville Ladder Inc
3455-00-268-9693 INTERCHANGEABLE
File,rotary
3020-00-275-098475323 INTERCHANGEABLE
Gear,helical
Cooper Machinery Services Llc
5330-00-285-6834106272 INTERCHANGEABLE
Seal,plain Encased
Cummins Inc.
1650-00-336-277050067 INTERCHANGEABLE
Cylinder Assembly,actuating,line
Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana Div Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana
2930-00-415-079775322 INTERCHANGEABLE
Impeller,pump,centrifugal
Cooper Machinery Services Llc
5365-00-439-31847532-3 INTERCHANGEABLE
Spacer,sleeve
L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division
5365-00-439-31857532-2 INTERCHANGEABLE
Spacer,sleeve
L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division
5315-00-474-6825 INTERCHANGEABLE
Pin
3020-00-570-6437 INTERCHANGEABLE
Gear,unloader
Cross-Reference Index
Part NumberManufacturer
75322 Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group (USA)
75323 PRIMARY Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group (USA)
50067 PRIMARY Jetstream of Houston, Llp Dba Jetstream of Houston Llp (USA)
70-75322 Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group (USA)
Related Parts
5440-00-061-8895INTERCHANGEABLE
LADDER,EXTENSION
FE3232
3455-00-268-9693INTERCHANGEABLE
FILE,ROTARY
3020-00-275-0984INTERCHANGEABLE
GEAR,HELICAL
75323
5330-00-285-6834INTERCHANGEABLE
SEAL,PLAIN ENCASED
106272
1650-00-336-2770INTERCHANGEABLE
CYLINDER ASSEMBLY,ACTUATING,LINE
50067
2930-00-415-0797INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
75322
5365-00-439-3184INTERCHANGEABLE
SPACER,SLEEVE
7532-3
5365-00-439-3185INTERCHANGEABLE
SPACER,SLEEVE
7532-2
5315-00-474-6825INTERCHANGEABLE
PIN
3020-00-570-6437INTERCHANGEABLE
GEAR,UNLOADER
4520-00-878-3876INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
50503
7050-00-978-8071INTERCHANGEABLE
SWITCH ASSY,REJECT

Frequently Asked Questions

What is NSN 4820-00-320-9205?

NSN 4820-00-320-9205 is a Seat,valve, manufactured by Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-320-9205?

NSN 4820-00-320-9205 has 4 cross-referenced part numbers: 75322 (Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group), 75323 (Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group), 50067 (Jetstream of Houston, Llp Dba Jetstream of Houston Llp), 70-75322 (Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group).

What NSN replaces 4820-00-320-9205?

There are 12 known substitutes for 4820-00-320-9205: 5440-00-061-8895, 3455-00-268-9693, 3020-00-275-0984 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 75323?

Key specifications for 75323: Body Outside Diameter: 1.187 INCHES NOMINAL IN; Flange Diameter: 1.437 INCHES NOMINAL IN; Seating Surface Shape: ANGULAR; Surface Treatment: GOLD OVERALL. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-320-9205 still in active supply?

NSN 4820-00-320-9205 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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