PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

455016Seat,valve

Prince Alexander Partners Inc Div Architecture Engieering and Economic Development · NSN 4820-01-501-6448 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-501-6448 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-501-6448. Primary manufacturer part number: 455016.
Features
  • Seat,valve — FSC 4820
  • 3 verified cross-references
  • Primary manufacturer: Prince Alexander Partners Inc Div Architecture Engieering and Economic Development
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-501-6448, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Prince Alexander Partners Inc Div Architecture Engieering and Economic Development. This item has 3 commercial cross-references from 1 manufacturer, 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 NameSeat,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersPrince Alexander Partners Inc Div Architecture Engieering and Economic Development (CAGE 08712)
Technical Specifications
ParameterValue
NSN4820-01-501-6448
Primary Part Number455016
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerPrince Alexander Partners Inc Div Architecture Engieering and Economic Development
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5330-00-706-479431239 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
4810-01-493-7759 INTERCHANGEABLE
Valve,solenoid
Cross-Reference Index
Part NumberManufacturer
455016 Prince Alexander Partners Inc Div Architecture Engieering and Economic Development (USA)
456910-512 Prince Alexander Partners Inc Div Architecture Engieering and Economic Development (USA)
456910-512 ITEM 2 Prince Alexander Partners Inc Div Architecture Engieering and Economic Development (USA)
Related Parts
5330-00-706-4794INTERCHANGEABLE
SEAL,PLAIN ENCASED
31239
4810-01-493-7759INTERCHANGEABLE
VALVE,SOLENOID

Frequently Asked Questions

What is NSN 4820-01-501-6448?

NSN 4820-01-501-6448 is a Seat,valve, manufactured by Prince Alexander Partners Inc Div Architecture Engieering and Economic Development, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-501-6448?

NSN 4820-01-501-6448 has 3 cross-referenced part numbers: 455016 (Prince Alexander Partners Inc Div Architecture Engieering and Economic Development), 456910-512 (Prince Alexander Partners Inc Div Architecture Engieering and Economic Development), 456910-512 ITEM 2 (Prince Alexander Partners Inc Div Architecture Engieering and Economic Development).

What NSN replaces 4820-01-501-6448?

There are 2 known substitutes for 4820-01-501-6448: 5330-00-706-4794, 4810-01-493-7759. Verify interchangeability with system specifications before substitution.

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