PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7744609Seat,valve

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 4820-00-774-4609 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-774-4609 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-774-4609. Primary manufacturer part number: 7744609.
Features
  • Seat,valve — FSC 4820
  • Seating Surface Shape: FLAT
  • Flange Seat to Disk End Height: 0.310 INCHES NOMINAL IN
  • Body Inside Diameter: 2.057 INCHES MINIMUM AND 2.067 INCHES MAXIMUM IN
  • Style Designator: PLAIN FLANGED
  • Material: STEEL OVERALL
  • Body Outside Diameter: 2.165 INCHES NOMINAL IN
  • Flange Diameter: 2.684 INCHES MINIMUM AND 2.688 INCHES MAXIMUM 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 4820-00-774-4609, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, 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
NSN4820-00-774-4609
Primary Part Number7744609
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Seating Surface ShapeFLAT
Flange Seat to Disk End Height0.310 INCHES NOMINAL IN
Body Inside Diameter2.057 INCHES MINIMUM AND 2.067 INCHES MAXIMUM IN
Style DesignatorPLAIN FLANGED
MaterialSTEEL OVERALL
Body Outside Diameter2.165 INCHES NOMINAL IN
Flange Diameter2.684 INCHES MINIMUM AND 2.688 INCHES MAXIMUM IN
Under Flange Height0.440 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5930-00-015-1786300036 INTERCHANGEABLE
Base and Connector
Unison Industries Llc
6685-00-123-7981 INTERCHANGEABLE
Thermostat,flow Control
6145-00-358-6700 INTERCHANGEABLE
Cable
4930-00-472-41743003-6 INTERCHANGEABLE
Lubricator,airline
Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division
1730-00-572-7365 INTERCHANGEABLE
Lever,valve Operati
4810-01-074-2325 INTERCHANGEABLE
Flapper Assembly,valve
3040-01-181-184630036-1346 INTERCHANGEABLE
Shaft,straight
Republic Machinery Co Inc Dba Republic Lagun Machine Tool Co
6530-01-216-92424036 INTERCHANGEABLE
Wrapper,sterilization
Cardinal Health 200, Llc
5355-01-233-2360300036 INTERCHANGEABLE
Dial,scale
Northrop Grumman Systems Corporation
4730-01-247-855330036 INTERCHANGEABLE
Clamp,hose
Acd Tridon Inc
Cross-Reference Index
Part NumberManufacturer
300036 Renk America Llc Div Renk America (USA)
30036 Renk America Llc Div Renk America (USA)
7744609 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
5930-00-015-1786INTERCHANGEABLE
BASE AND CONNECTOR
300036
6685-00-123-7981INTERCHANGEABLE
THERMOSTAT,FLOW CONTROL
6145-00-358-6700INTERCHANGEABLE
CABLE
4930-00-472-4174INTERCHANGEABLE
LUBRICATOR,AIRLINE
3003-6
1730-00-572-7365INTERCHANGEABLE
LEVER,VALVE OPERATI
4810-01-074-2325INTERCHANGEABLE
FLAPPER ASSEMBLY,VALVE
3040-01-181-1846INTERCHANGEABLE
SHAFT,STRAIGHT
30036-1346
6530-01-216-9242INTERCHANGEABLE
WRAPPER,STERILIZATION
4036
5355-01-233-2360INTERCHANGEABLE
DIAL,SCALE
300036
4730-01-247-8553INTERCHANGEABLE
CLAMP,HOSE
30036
6695-01-367-2697INTERCHANGEABLE
TRANSDUCER,MOTIONAL PICKUP
30-036
5325-01-390-0088INTERCHANGEABLE
RING,RETAINING
300036

Frequently Asked Questions

What is NSN 4820-00-774-4609?

NSN 4820-00-774-4609 is a Seat,valve, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-774-4609?

NSN 4820-00-774-4609 has 3 cross-referenced part numbers: 300036 (Renk America Llc Div Renk America), 30036 (Renk America Llc Div Renk America), 7744609 (U S Army Tank Automotive Command Amsta-Im-Mm).

What NSN replaces 4820-00-774-4609?

There are 12 known substitutes for 4820-00-774-4609: 5930-00-015-1786, 6685-00-123-7981, 6145-00-358-6700 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7744609?

Key specifications for 7744609: Seating Surface Shape: FLAT; Flange Seat to Disk End Height: 0.310 INCHES NOMINAL IN; Body Inside Diameter: 2.057 INCHES MINIMUM AND 2.067 INCHES MAXIMUM IN; Style Designator: PLAIN FLANGED. 9 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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