PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12601Seat,valve

Schneider Electric Systems Usa Inc · NSN 4820-00-036-0993 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-036-0993 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-036-0993. Primary manufacturer part number: 12601.
Features
  • Seat,valve — FSC 4820
  • Thread Quantity Per Inch: 18 SINGLE THREADED PORTION
  • Flange Diameter: 1.125 INCHES NOMINAL IN
  • Body Inside Diameter: 0.289 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
  • Nominal Thread Size: 0.938 INCHES SINGLE THREADED PORTION IN
  • Thread Series Designator: UNS SINGLE THREADED PORTION
  • Material: STEEL OVERALL
  • Seating Surface Shape: ANGULAR
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 4820-00-036-0993, 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 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-036-0993
Primary Part Number12601
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSchneider Electric Systems Usa Inc
StatusACTIVE
Thread Quantity Per Inch18 SINGLE THREADED PORTION
Flange Diameter1.125 INCHES NOMINAL IN
Body Inside Diameter0.289 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
Nominal Thread Size0.938 INCHES SINGLE THREADED PORTION IN
Thread Series DesignatorUNS SINGLE THREADED PORTION
MaterialSTEEL OVERALL
Seating Surface ShapeANGULAR
Surface TreatmentPASSIVATE OVERALL
Flange Seat to Disk End Height0.125 INCHES NOMINAL IN
Thread Length0.312 INCHES NOMINAL SINGLE THREADED PORTION IN
Seat Angle in Deg0.750 NOMINAL
Style DesignatorTHREADED FLANGED
Under Flange Height0.312 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4310-00-124-9688 INTERCHANGEABLE
Vacuum Pump Unit,reciprocating
5950-00-211-199040-036580-01 INTERCHANGEABLE
Transformer,pulse
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5977-00-435-011440183 INTERCHANGEABLE
Holder,electrical Contact Brush
Electro-Tec Corp Dba Moog Inc., Components Group
6210-00-516-1516L296U INTERCHANGEABLE
Fixture,lighting
Lithonia Lighting National Services Industries Inc Div
4730-00-700-061212-601 INTERCHANGEABLE
Packing Nut
Garwood/feller Inc Garwood Winch Div
3610-00-780-167612601 INTERCHANGEABLE
Screw,past Carrier
Smyth Mfg Co Sub of the Beacon Group
5920-00-916-066712-601 INTERCHANGEABLE
Fuse,plug
Miller Electric Mfg. Llc
6640-01-004-8498820 INTERCHANGEABLE
Microtome
Leica Inc Surveying and Photogrammetry Systems Div
1377-01-103-33501260-1 INTERCHANGEABLE
Gas Generator
Universal Propulsion Company Inc Dba Goodrich Div Universal Propulsion Co., Inc.
5962-01-108-5142 INTERCHANGEABLE
Microcircuit,memory
Cross-Reference Index
Part NumberManufacturer
12601 PRIMARY Schneider Electric Systems Usa Inc (USA)
Related Parts
4310-00-124-9688INTERCHANGEABLE
VACUUM PUMP UNIT,RECIPROCATING
5950-00-211-1990INTERCHANGEABLE
TRANSFORMER,PULSE
40-036580-01
5977-00-435-0114INTERCHANGEABLE
HOLDER,ELECTRICAL CONTACT BRUSH
40183
6210-00-516-1516INTERCHANGEABLE
FIXTURE,LIGHTING
L296U
4730-00-700-0612INTERCHANGEABLE
PACKING NUT
12-601
3610-00-780-1676INTERCHANGEABLE
SCREW,PAST CARRIER
12601
5920-00-916-0667INTERCHANGEABLE
FUSE,PLUG
12-601
6640-01-004-8498INTERCHANGEABLE
MICROTOME
820
1377-01-103-3350INTERCHANGEABLE
GAS GENERATOR
1260-1
5962-01-108-5142INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5930-01-251-4977INTERCHANGEABLE
SWITCH,FLOW
12601
4820-01-320-0195INTERCHANGEABLE
GAGGING ASSEMBLY,VALVE
12601.001

Frequently Asked Questions

What is NSN 4820-00-036-0993?

NSN 4820-00-036-0993 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 4820-00-036-0993?

NSN 4820-00-036-0993 has 1 cross-referenced part number: 12601 (Schneider Electric Systems Usa Inc).

What NSN replaces 4820-00-036-0993?

There are 12 known substitutes for 4820-00-036-0993: 4310-00-124-9688, 5950-00-211-1990, 5977-00-435-0114 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12601?

Key specifications for 12601: Thread Quantity Per Inch: 18 SINGLE THREADED PORTION; Flange Diameter: 1.125 INCHES NOMINAL IN; Body Inside Diameter: 0.289 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN; Nominal Thread Size: 0.938 INCHES SINGLE THREADED PORTION IN. 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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