PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12596Seat,valve

Schneider Electric Systems Usa Inc · NSN 4820-00-036-1090 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-036-1090 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-036-1090. Primary manufacturer part number: 12596.
Features
  • Seat,valve — FSC 4820
  • Seating Surface Shape: ANGULAR
  • Flange Seat to Disk End Height: 0.125 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 18 SINGLE THREADED PORTION
  • Thread Length: 0.312 INCHES NOMINAL SINGLE THREADED PORTION IN
  • Thread Series Designator: UNS SINGLE THREADED PORTION
  • Style Designator: THREADED FLANGED
  • Material: STEEL OVERALL
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 4820-00-036-1090, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Schneider Electric Systems Usa Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN4820-00-036-1090
Primary Part Number12596
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSchneider Electric Systems Usa Inc
StatusACTIVE
Seating Surface ShapeANGULAR
Flange Seat to Disk End Height0.125 INCHES NOMINAL IN
Thread Quantity Per Inch18 SINGLE THREADED PORTION
Thread Length0.312 INCHES NOMINAL SINGLE THREADED PORTION IN
Thread Series DesignatorUNS SINGLE THREADED PORTION
Style DesignatorTHREADED FLANGED
MaterialSTEEL OVERALL
Surface TreatmentPASSIVATE OVERALL
Under Flange Height0.438 INCHES NOMINAL IN
Body Inside Diameter0.124 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
Seat Angle in Deg0.750 NOMINAL
Nominal Thread Size0.938 INCHES SINGLE THREADED PORTION IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5945-00-024-0460 INTERCHANGEABLE
Relay,reed
3020-00-894-759112596 INTERCHANGEABLE
Gear,spur
Grimes Aerospace Company
5998-01-141-171410317 INTERCHANGEABLE
Circuit Card Assembly
L & R Manufacturing Company
5315-01-320-34251259600 INTERCHANGEABLE
Pin,straight,headless
Alfa Laval Inc
Cross-Reference Index
Part NumberManufacturer
12596 PRIMARY Schneider Electric Systems Usa Inc (USA)
Related Parts
5945-00-024-0460INTERCHANGEABLE
RELAY,REED
3020-00-894-7591INTERCHANGEABLE
GEAR,SPUR
12596
5998-01-141-1714INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
10317
5315-01-320-3425INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
1259600

Frequently Asked Questions

What is NSN 4820-00-036-1090?

NSN 4820-00-036-1090 is a Seat,valve, manufactured by Schneider Electric Systems Usa Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-036-1090?

NSN 4820-00-036-1090 has 1 cross-referenced part number: 12596 (Schneider Electric Systems Usa Inc).

What NSN replaces 4820-00-036-1090?

There are 4 known substitutes for 4820-00-036-1090: 5945-00-024-0460, 3020-00-894-7591, 5998-01-141-1714 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12596?

Key specifications for 12596: Seating Surface Shape: ANGULAR; Flange Seat to Disk End Height: 0.125 INCHES NOMINAL IN; Thread Quantity Per Inch: 18 SINGLE THREADED PORTION; Thread Length: 0.312 INCHES NOMINAL SINGLE THREADED PORTION IN. 13 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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