PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B708Seat,valve

General Electric Co Naval and Drive Turbine Systems Dept · NSN 4820-01-320-5358 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-320-5358 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-320-5358. Primary manufacturer part number: B708.
Features
  • Seat,valve — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: General Electric Co Naval and Drive Turbine Systems Dept
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-320-5358, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is General Electric Co Naval and Drive Turbine Systems Dept. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeat,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersGeneral Electric Co Naval and Drive Turbine Systems Dept (CAGE 03502)
Technical Specifications
ParameterValue
NSN4820-01-320-5358
Primary Part NumberB708
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGeneral Electric Co Naval and Drive Turbine Systems Dept
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4720-01-048-0636141524 INTERCHANGEABLE
Hose,nonmetallic
Hyster-Yale Group, Inc.
Cross-Reference Index
Part NumberManufacturer
B708 General Electric Co Naval and Drive Turbine Systems Dept (USA)
B708F08D General Electric Co Naval and Drive Turbine Systems Dept (USA)
Related Parts
4720-01-048-0636INTERCHANGEABLE
HOSE,NONMETALLIC
141524

Frequently Asked Questions

What is NSN 4820-01-320-5358?

NSN 4820-01-320-5358 is a Seat,valve, manufactured by General Electric Co Naval and Drive Turbine Systems Dept, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-320-5358?

NSN 4820-01-320-5358 has 2 cross-referenced part numbers: B708 (General Electric Co Naval and Drive Turbine Systems Dept), B708F08D (General Electric Co Naval and Drive Turbine Systems Dept).

What NSN replaces 4820-01-320-5358?

There is 1 known substitute for 4820-01-320-5358: 4720-01-048-0636. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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