PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

87643-7505 ITEM 52Plate,stop,valve

Electric Boat Corporation Div General Dynamics Electric Boat · NSN 4820-01-267-9399 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-267-9399 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-267-9399. Primary manufacturer part number: 87643-7505 ITEM 52.
Features
  • Plate,stop,valve — FSC 4820
  • 4 verified cross-references
  • Primary manufacturer: Electric Boat Corporation Div General Dynamics Electric Boat
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Plate,stop,valve, cataloged under National Stock Number 4820-01-267-9399, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Electric Boat Corporation Div General Dynamics Electric Boat. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePlate,stop,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersElectric Boat Corporation Div General Dynamics Electric Boat (CAGE 96169); Naval Ship Systems Command (CAGE 80064)
Technical Specifications
ParameterValue
NSN4820-01-267-9399
Primary Part Number87643-7505 ITEM 52
Item NamePlate,stop,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerElectric Boat Corporation Div General Dynamics Electric Boat
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4820-01-260-1976DM47520 ITEM 34 INTERCHANGEABLE
Gear Operator,valve
Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-317-07874675699-0033 INTERCHANGEABLE
Gear Operator,valve
Electric Boat Corporation Div General Dynamics Electric Boat
Cross-Reference Index
Part NumberManufacturer
87643-7505 ITEM 52 PRIMARY Electric Boat Corporation Div General Dynamics Electric Boat (USA)
4675699 ITEM 52 Naval Ship Systems Command (USA)
4675699 Naval Ship Systems Command (USA)
DM47520 ITEM 52 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
Related Parts
4820-01-260-1976INTERCHANGEABLE
GEAR OPERATOR,VALVE
DM47520 ITEM 34
4820-01-317-0787INTERCHANGEABLE
GEAR OPERATOR,VALVE
4675699-0033

Frequently Asked Questions

What is NSN 4820-01-267-9399?

NSN 4820-01-267-9399 is a Plate,stop,valve, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-267-9399?

NSN 4820-01-267-9399 has 4 cross-referenced part numbers: 87643-7505 ITEM 52 (Electric Boat Corporation Div General Dynamics Electric Boat), 4675699 ITEM 52 (Naval Ship Systems Command), 4675699 (Naval Ship Systems Command), DM47520 ITEM 52 (Electric Boat Corporation Div General Dynamics Electric Boat).

What NSN replaces 4820-01-267-9399?

There are 2 known substitutes for 4820-01-267-9399: 4820-01-260-1976, 4820-01-317-0787. Verify interchangeability with system specifications before substitution.

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