PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

JMS-7613Seat,valve

Clark-Reliance Llc · NSN 4820-00-399-2643 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-399-2643 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-399-2643. Primary manufacturer part number: JMS-7613.
Features
  • Seat,valve — FSC 4820
  • Material: STEEL OVERALL
  • Style Designator: PLAIN THREADED
  • Thread Class: 2A SINGLE THREADED PORTION A
  • Thread Series Designator: UNF SINGLE THREADED PORTION
  • Nominal Thread Size: 0.750 INCHES SINGLE THREADED PORTION IN
  • Seating Surface Shape: FLAT
  • Body Inside Diameter: 0.438 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 4820-00-399-2643, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Clark-Reliance Llc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-399-2643
Primary Part NumberJMS-7613
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerClark-Reliance Llc
StatusACTIVE
MaterialSTEEL OVERALL
Style DesignatorPLAIN THREADED
Thread Class2A SINGLE THREADED PORTION A
Thread Series DesignatorUNF SINGLE THREADED PORTION
Nominal Thread Size0.750 INCHES SINGLE THREADED PORTION IN
Seating Surface ShapeFLAT
Body Inside Diameter0.438 INCHES NOMINAL IN
Thread Length0.500 INCHES NOMINAL SINGLE THREADED PORTION IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2930-00-233-84858532 INTERCHANGEABLE
Pump,cooling System,engine
Elgin Industries Inc. Dba
5305-00-638-0502MS35214-28 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
3130-00-843-3620P343 INTERCHANGEABLE
Bearing Unit,ball
Rexnord Industries, Llc Div Link-Belt Bearing Operation
4320-01-198-0871VR-23 INTERCHANGEABLE
Follower,piston,pump
Circor Naval Solutions Llc Dba Warren Pumps
2940-01-631-3238P-3-4-3 INTERCHANGEABLE
Filter,fluid
Bird-Johnson Propeller Company, Llc
Cross-Reference Index
Part NumberManufacturer
E210PC6 Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
E206PC6 Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
E152PC5 Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
E203PC6 Magic Chef Inc Div of Maytag Corp (USA)
445-5103-82ALT4PC5 Naval Sea Systems Command (USA)
E200PC5 Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
E140PC5 Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
E151PC5 Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
E204PC31 Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
JMS-7613 PRIMARY Clark-Reliance Llc (USA)
P343 Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
445-5103-82ALT4PC5 Naval Ship Systems Command (USA)
E139PC5 Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
E199PC5 Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
Related Parts
2930-00-233-8485INTERCHANGEABLE
PUMP,COOLING SYSTEM,ENGINE
8532
5305-00-638-0502INTERCHANGEABLE
SCREW,MACHINE
MS35214-28
3130-00-843-3620INTERCHANGEABLE
BEARING UNIT,BALL
P343
4320-01-198-0871INTERCHANGEABLE
FOLLOWER,PISTON,PUMP
VR-23
2940-01-631-3238INTERCHANGEABLE
FILTER,FLUID
P-3-4-3

Frequently Asked Questions

What is NSN 4820-00-399-2643?

NSN 4820-00-399-2643 is a Seat,valve, manufactured by Clark-Reliance Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-399-2643?

NSN 4820-00-399-2643 has 14 cross-referenced part numbers: E210PC6 (Clark-Reliance Llc Dba Jerguson Gage & Valve), E206PC6 (Clark-Reliance Llc Dba Jerguson Gage & Valve), E152PC5 (Clark-Reliance Llc Dba Jerguson Gage & Valve), E203PC6 (Magic Chef Inc Div of Maytag Corp), 445-5103-82ALT4PC5 (Naval Sea Systems Command) and 9 more.

What NSN replaces 4820-00-399-2643?

There are 5 known substitutes for 4820-00-399-2643: 2930-00-233-8485, 5305-00-638-0502, 3130-00-843-3620 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of JMS-7613?

Key specifications for JMS-7613: Material: STEEL OVERALL; Style Designator: PLAIN THREADED; Thread Class: 2A SINGLE THREADED PORTION A; Overall Height: 0.652 INCHES NOMINAL IN. 10 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