PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

62713DSeat,valve

Griswold Industries Dba Cla-Val Co · NSN 4820-00-035-9936 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-035-9936 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-035-9936. Primary manufacturer part number: 62713D.
Features
  • Seat,valve — FSC 4820
  • Body Inside Diameter: 1.000 INCHES MINIMUM AND 1.003 INCHES MAXIMUM IN
  • Thread Length: 0.362 INCHES NOMINAL SINGLE THREADED PORTION IN
  • Thread Series Designator: UN SINGLE THREADED PORTION
  • Flange Seat to Disk End Height: 0.215 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN
  • Thread Class: 2A SINGLE THREADED PORTION A
  • Seating Surface Shape: ANGULAR
  • Under Flange Height: 0.719 INCHES NOMINAL IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel or Copper Alloy Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-035-9936, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Griswold Industries Dba Cla-Val Co. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, 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
NSN4820-00-035-9936
Primary Part Number62713D
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGriswold Industries Dba Cla-Val Co
StatusACTIVE
Body Inside Diameter1.000 INCHES MINIMUM AND 1.003 INCHES MAXIMUM IN
Thread Length0.362 INCHES NOMINAL SINGLE THREADED PORTION IN
Thread Series DesignatorUN SINGLE THREADED PORTION
Flange Seat to Disk End Height0.215 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN
Thread Class2A SINGLE THREADED PORTION A
Seating Surface ShapeANGULAR
Under Flange Height0.719 INCHES NOMINAL IN
Nominal Thread Size1.250 INCHES SINGLE THREADED PORTION IN
Seat Angle in Deg4.083 MINIMUM AND 5.083 MAXIMUM
Flange Diameter1.375 INCHES NOMINAL IN
Thread Quantity Per Inch16 SINGLE THREADED PORTION
MaterialNICKEL OR COPPER ALLOY OVERALL
Style DesignatorTHREADED FLANGED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5330-00-251-32294001639-6 INTERCHANGEABLE
Gasket
Agco Corp Parts Opn
5950-00-552-820762713 INTERCHANGEABLE
Reactor
L3harris Technologies, Inc Div Space & Airborne Systems
5905-00-617-955662-713 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
Lockheed Martin Corporation Div Rms - Mitchel Field
4710-01-692-74146271-3 INTERCHANGEABLE
Tube,metallic
Hexcel Corp Dba Hexcel Products Div Salt Lake City
5935-01-722-2928C5044 INTERCHANGEABLE
Adapter,connector
Centric Rf, Llc Div Centric Rf
Cross-Reference Index
Part NumberManufacturer
C5044 Griswold Industries Dba Cla-Val Co (USA)
62713G Griswold Industries Dba Cla-Val Co (USA)
62713D PRIMARY Griswold Industries Dba Cla-Val Co (USA)
62713 Griswold Industries Dba Cla-Val Co (USA)
Related Parts
5330-00-251-3229INTERCHANGEABLE
GASKET
4001639-6
5950-00-552-8207INTERCHANGEABLE
REACTOR
62713
5905-00-617-9556INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
62-713
4710-01-692-7414INTERCHANGEABLE
TUBE,METALLIC
6271-3
5935-01-722-2928INTERCHANGEABLE
ADAPTER,CONNECTOR
C5044

Frequently Asked Questions

What is NSN 4820-00-035-9936?

NSN 4820-00-035-9936 is a Seat,valve, manufactured by Griswold Industries Dba Cla-Val Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-035-9936?

NSN 4820-00-035-9936 has 4 cross-referenced part numbers: C5044 (Griswold Industries Dba Cla-Val Co), 62713G (Griswold Industries Dba Cla-Val Co), 62713D (Griswold Industries Dba Cla-Val Co), 62713 (Griswold Industries Dba Cla-Val Co).

What NSN replaces 4820-00-035-9936?

There are 5 known substitutes for 4820-00-035-9936: 5330-00-251-3229, 5950-00-552-8207, 5905-00-617-9556 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 62713D?

Key specifications for 62713D: Body Inside Diameter: 1.000 INCHES MINIMUM AND 1.003 INCHES MAXIMUM IN; Special Features: HEX FLANGE; Thread Length: 0.362 INCHES NOMINAL SINGLE THREADED PORTION IN; Thread Series Designator: UN 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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