PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50133-1Disk,valve

The Dewey Electronics Corporation Div Pitometer Log Division · NSN 4820-01-264-8450 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-264-8450 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-264-8450. Primary manufacturer part number: 50133-1.
Features
  • Disk,valve — FSC 4820
  • Material: NICKEL ALLOY
  • 1 verified cross-reference
  • Primary manufacturer: The Dewey Electronics Corporation Div Pitometer Log Division
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-264-8450, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is The Dewey Electronics Corporation Div Pitometer Log Division. Government technical data includes 1 verified specification, 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-264-8450
Primary Part Number50133-1
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerThe Dewey Electronics Corporation Div Pitometer Log Division
StatusACTIVE
MaterialNICKEL ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5999-00-866-653850133-1M INTERCHANGEABLE
Contact,electrical
March Electronics, Inc. Dba March Electronics Inc
6515-01-164-885650-1331 INTERCHANGEABLE
Retractor,nerve Root
Codman & Shurtleff Inc
4730-01-267-2068501331 INTERCHANGEABLE
Nozzle,sand Blast
Empire Abrasive Equipment Co Lp
4730-01-472-7447501331 INTERCHANGEABLE
Elbow,pipe
Level 10 Industries, Inc. Div Level 10 Industries
6105-01-713-4252501331 INTERCHANGEABLE
Support,electric Motor
Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc
Cross-Reference Index
Part NumberManufacturer
50133-1 PRIMARY The Dewey Electronics Corporation Div Pitometer Log Division (USA)
Related Parts
5999-00-866-6538INTERCHANGEABLE
CONTACT,ELECTRICAL
50133-1M
6515-01-164-8856INTERCHANGEABLE
RETRACTOR,NERVE ROOT
50-1331
4730-01-267-2068INTERCHANGEABLE
NOZZLE,SAND BLAST
501331
4730-01-472-7447INTERCHANGEABLE
ELBOW,PIPE
501331
6105-01-713-4252INTERCHANGEABLE
SUPPORT,ELECTRIC MOTOR
501331

Frequently Asked Questions

What is NSN 4820-01-264-8450?

NSN 4820-01-264-8450 is a Disk,valve, manufactured by The Dewey Electronics Corporation Div Pitometer Log Division, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-264-8450?

NSN 4820-01-264-8450 has 1 cross-referenced part number: 50133-1 (The Dewey Electronics Corporation Div Pitometer Log Division).

What NSN replaces 4820-01-264-8450?

There are 5 known substitutes for 4820-01-264-8450: 5999-00-866-6538, 6515-01-164-8856, 4730-01-267-2068 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50133-1?

Key specifications for 50133-1: Material: NICKEL ALLOY. 1 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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