PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31-09317Seat,valve

Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group · NSN 4820-01-144-3263 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-144-3263 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-144-3263. Primary manufacturer part number: 31-09317.
Features
  • Seat,valve — FSC 4820
  • Body Inside Diameter: 0.344 INCHES NOMINAL IN
  • Style Designator: PLAIN FLANGED
  • Body Outside Diameter: 0.525 INCHES NOMINAL IN
  • Seating Surface Shape: FLAT
  • Material: STEEL CORROSION RESISTING OVERALL
  • Flange Seat to Disk End Height: 0.361 INCHES NOMINAL IN
  • Under Flange Height: 0.320 INCHES NOMINAL IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-144-3263, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-144-3263
Primary Part Number31-09317
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
StatusACTIVE
Body Inside Diameter0.344 INCHES NOMINAL IN
Style DesignatorPLAIN FLANGED
Body Outside Diameter0.525 INCHES NOMINAL IN
Seating Surface ShapeFLAT
MaterialSTEEL CORROSION RESISTING OVERALL
Flange Seat to Disk End Height0.361 INCHES NOMINAL IN
Under Flange Height0.320 INCHES NOMINAL IN
Flange Diameter0.875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2030-00-113-9459922927 INTERCHANGEABLE
Seal Kit
Eaton Aerospace, Llc Dba Jackson South
2530-00-471-013250643 INTERCHANGEABLE
Cover,dust
Dressta North America Ltd
5340-00-783-478350643 INTERCHANGEABLE
Band,retaining
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
Cross-Reference Index
Part NumberManufacturer
31-09317 PRIMARY Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group (USA)
50643 Jetstream of Houston, Llp Dba Jetstream of Houston Llp (USA)
Related Parts
2030-00-113-9459INTERCHANGEABLE
SEAL KIT
922927
2530-00-471-0132INTERCHANGEABLE
COVER,DUST
50643
5340-00-783-4783INTERCHANGEABLE
BAND,RETAINING
50643

Frequently Asked Questions

What is NSN 4820-01-144-3263?

NSN 4820-01-144-3263 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: active.

What are the part numbers for NSN 4820-01-144-3263?

NSN 4820-01-144-3263 has 2 cross-referenced part numbers: 31-09317 (Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group), 50643 (Jetstream of Houston, Llp Dba Jetstream of Houston Llp).

What NSN replaces 4820-01-144-3263?

There are 3 known substitutes for 4820-01-144-3263: 2030-00-113-9459, 2530-00-471-0132, 5340-00-783-4783. Verify interchangeability with system specifications before substitution.

What are the specifications of 31-09317?

Key specifications for 31-09317: Body Inside Diameter: 0.344 INCHES NOMINAL IN; Style Designator: PLAIN FLANGED; Body Outside Diameter: 0.525 INCHES NOMINAL IN; Seating Surface Shape: FLAT. 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