PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B3428-2Retainer,seat,valve

Dante Valve Company · NSN 4820-01-407-4263 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-407-4263 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-407-4263. Primary manufacturer part number: B3428-2.
Features
  • Retainer,seat,valve — FSC 4820
  • 6 verified cross-references
  • Primary manufacturer: Dante Valve Company
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Retainer,seat,valve, cataloged under National Stock Number 4820-01-407-4263, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Dante Valve Company. This item has 6 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 NameRetainer,seat,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersDante Valve Company (CAGE 5P967); Danco Valve Company (CAGE 65079)
Technical Specifications
ParameterValue
NSN4820-01-407-4263
Primary Part NumberB3428-2
Item NameRetainer,seat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDante Valve Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2805-00-734-525005232720 INTERCHANGEABLE
Tappet,engine Poppet Valve
General Motors Llc Dba General Motors Llc
1650-01-332-5108B-2428-2 INTERCHANGEABLE
Cylinder,actuating,linear
Hartzell Propeller Llc
Cross-Reference Index
Part NumberManufacturer
D2000 REV-K ITEM 19 Dante Valve Company (USA)
B2428-2 Dante Valve Company (USA)
D2000 REV-K ITEM 19 Danco Valve Company (USA)
B3428-2 Danco Valve Company (USA)
D2000 Danco Valve Company (USA)
B3428-2 PRIMARY Dante Valve Company (USA)
Related Parts
2805-00-734-5250INTERCHANGEABLE
TAPPET,ENGINE POPPET VALVE
05232720
1650-01-332-5108INTERCHANGEABLE
CYLINDER,ACTUATING,LINEAR
B-2428-2

Frequently Asked Questions

What is NSN 4820-01-407-4263?

NSN 4820-01-407-4263 is a Retainer,seat,valve, manufactured by Dante Valve Company, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-407-4263?

NSN 4820-01-407-4263 has 6 cross-referenced part numbers: D2000 REV-K ITEM 19 (Dante Valve Company), B2428-2 (Dante Valve Company), D2000 REV-K ITEM 19 (Danco Valve Company), B3428-2 (Danco Valve Company), D2000 (Danco Valve Company) and 1 more.

What NSN replaces 4820-01-407-4263?

There are 2 known substitutes for 4820-01-407-4263: 2805-00-734-5250, 1650-01-332-5108. Verify interchangeability with system specifications before substitution.

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