PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7030-3Seat,valve

Woodward Hrt, Inc. Dba Woodward Hrt Inc · NSN 4820-00-646-9524 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-646-9524 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-646-9524. Primary manufacturer part number: 7030-3.
Features
  • Seat,valve — FSC 4820
  • Seating Surface Shape: FLAT
  • Material: STEEL OVERALL
  • Material Document and Classification: MIL-S-853 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Seal Accommodation Type: GROOVED
  • Surface Treatment: PASSIVATE OVERALL
  • 1 verified cross-reference
  • Primary manufacturer: Woodward Hrt, Inc. Dba Woodward Hrt Inc
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 4820-00-646-9524, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Woodward Hrt, Inc. Dba Woodward Hrt Inc. Government technical data includes 5 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-646-9524
Primary Part Number7030-3
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWoodward Hrt, Inc. Dba Woodward Hrt Inc
StatusACTIVE
Seating Surface ShapeFLAT
MaterialSTEEL OVERALL
Material Document and ClassificationMIL-S-853 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Seal Accommodation TypeGROOVED
Surface TreatmentPASSIVATE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3030-00-109-254570303 INTERCHANGEABLE
Belt,v
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5975-00-239-0334 INTERCHANGEABLE
Conduit Outlet
5935-00-458-68266-1313-9 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch
6635-00-490-207770303 INTERCHANGEABLE
Tester,material Hardness
Shore Instrument and Mfg Co Inc Sub of High Voltage Engineering Corp
5930-00-868-84747937555 INTERCHANGEABLE
Switch,pressure
Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss)
6640-00-933-8739270303 INTERCHANGEABLE
Catalyst,anaerobic Culture Appar
Becton, Dickinson and Co Dba Becton Dickinson & Co
6110-01-080-7803T800R-01000 INTERCHANGEABLE
Regulator,voltage
Mge UPS Systems, Inc.
3040-01-208-42657530-0003 INTERCHANGEABLE
Connecting Link,rigid
Tyee Aircraft Inc Div Tyee Aircraft
4820-01-370-2983N70303 INTERCHANGEABLE
Diaphragm,valve,flat
Leslie Controls, Inc. Dba Leslie Controls Inc
5110-01-434-9867 INTERCHANGEABLE
Chisel,cold,hand
Cross-Reference Index
Part NumberManufacturer
7030-3 PRIMARY Woodward Hrt, Inc. Dba Woodward Hrt Inc (USA)
Related Parts
3030-00-109-2545INTERCHANGEABLE
BELT,V
70303
5975-00-239-0334INTERCHANGEABLE
CONDUIT OUTLET
5935-00-458-6826INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
6-1313-9
6635-00-490-2077INTERCHANGEABLE
TESTER,MATERIAL HARDNESS
70303
5930-00-868-8474INTERCHANGEABLE
SWITCH,PRESSURE
7937555
6640-00-933-8739INTERCHANGEABLE
CATALYST,ANAEROBIC CULTURE APPAR
270303
6110-01-080-7803INTERCHANGEABLE
REGULATOR,VOLTAGE
T800R-01000
3040-01-208-4265INTERCHANGEABLE
CONNECTING LINK,RIGID
7530-0003
4820-01-370-2983INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
N70303
5110-01-434-9867INTERCHANGEABLE
CHISEL,COLD,HAND

Frequently Asked Questions

What is NSN 4820-00-646-9524?

NSN 4820-00-646-9524 is a Seat,valve, manufactured by Woodward Hrt, Inc. Dba Woodward Hrt Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-646-9524?

NSN 4820-00-646-9524 has 1 cross-referenced part number: 7030-3 (Woodward Hrt, Inc. Dba Woodward Hrt Inc).

What NSN replaces 4820-00-646-9524?

There are 10 known substitutes for 4820-00-646-9524: 3030-00-109-2545, 5975-00-239-0334, 5935-00-458-6826 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7030-3?

Key specifications for 7030-3: Seating Surface Shape: FLAT; Material: STEEL OVERALL; Material Document and Classification: MIL-S-853 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Seal Accommodation Type: GROOVED. 5 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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