PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12595Seat,valve

Schneider Electric Systems Usa Inc · NSN 4820-00-036-1098 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-036-1098 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-036-1098. Primary manufacturer part number: 12595.
Features
  • Seat,valve — FSC 4820
  • Material: STEEL CORROSION RESISTING OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Seating Surface Shape: FLAT
  • Thread Series Designator: UNEF SINGLE THREADED PORTION
  • Seal Accommodation Type: GROOVED
  • Nominal Thread Size: 0.937 INCHES SINGLE THREADED PORTION IN
  • Thread Class: 2A SINGLE THREADED PORTION A
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 4820-00-036-1098, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-036-1098
Primary Part Number12595
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSchneider Electric Systems Usa Inc
StatusACTIVE
MaterialSTEEL CORROSION RESISTING OVERALL
Surface TreatmentPASSIVATE OVERALL
Seating Surface ShapeFLAT
Thread Series DesignatorUNEF SINGLE THREADED PORTION
Seal Accommodation TypeGROOVED
Nominal Thread Size0.937 INCHES SINGLE THREADED PORTION IN
Thread Class2A SINGLE THREADED PORTION A
Flange Seat to Disk End Height0.125 INCHES NOMINAL IN
Under Flange Height0.319 INCHES NOMINAL IN
Flange Diameter1.300 INCHES NOMINAL IN
Body Inside Diameter0.093 INCHES NOMINAL IN
Style DesignatorTHREADED FLANGED
Thread Length0.318 INCHES NOMINAL SINGLE THREADED PORTION IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5960-00-080-0841926X-26 INTERCHANGEABLE
Retainer,electron Tube
Schroff Inc
5330-00-178-756749454 INTERCHANGEABLE
Seal,plain Encased
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5950-00-186-834312595 INTERCHANGEABLE
Transformer,power
Freed Transformer Co
5133-00-227-5992 INTERCHANGEABLE
Drill,twist
5995-01-516-9568 INTERCHANGEABLE
Wiring Harness
6515-01-576-27868700-0619-01 INTERCHANGEABLE
Cartridge,blood-Fluid Warmer
Zoll Medical Corporation Dba Zoll
Cross-Reference Index
Part NumberManufacturer
N104-81226 Schneider Electric Systems Usa Inc (USA)
12595 PRIMARY Schneider Electric Systems Usa Inc (USA)
Related Parts
5960-00-080-0841INTERCHANGEABLE
RETAINER,ELECTRON TUBE
926X-26
5330-00-178-7567INTERCHANGEABLE
SEAL,PLAIN ENCASED
49454
5950-00-186-8343INTERCHANGEABLE
TRANSFORMER,POWER
12595
5133-00-227-5992INTERCHANGEABLE
DRILL,TWIST
5995-01-516-9568INTERCHANGEABLE
WIRING HARNESS
6515-01-576-2786INTERCHANGEABLE
CARTRIDGE,BLOOD-FLUID WARMER
8700-0619-01

Frequently Asked Questions

What is NSN 4820-00-036-1098?

NSN 4820-00-036-1098 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 4820-00-036-1098?

NSN 4820-00-036-1098 has 2 cross-referenced part numbers: N104-81226 (Schneider Electric Systems Usa Inc), 12595 (Schneider Electric Systems Usa Inc).

What NSN replaces 4820-00-036-1098?

There are 6 known substitutes for 4820-00-036-1098: 5960-00-080-0841, 5330-00-178-7567, 5950-00-186-8343 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12595?

Key specifications for 12595: Material: STEEL CORROSION RESISTING OVERALL; Surface Treatment: PASSIVATE OVERALL; Seating Surface Shape: FLAT; Thread Series Designator: UNEF SINGLE THREADED PORTION. 14 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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