PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

409-06Valve,safety Relief

Metro Machine & Engineering Corp. · NSN 4820-01-629-6418 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-629-6418 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-629-6418. Primary manufacturer part number: 409-06.
Features
  • Valve,safety Relief — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: Metro Machine & Engineering Corp.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-629-6418, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Metro Machine & Engineering Corp.. This item has 2 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 NameValve,safety Relief
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersAlamo Group Texas Llc (CAGE 6RAY2); Metro Machine & Engineering Corp. (CAGE 20812)
Technical Specifications
ParameterValue
NSN4820-01-629-6418
Primary Part Number409-06
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMetro Machine & Engineering Corp.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5950-00-054-85809610 INTERCHANGEABLE
Transformer,power Autotransforme
Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
6625-00-062-6201153-0367 INTERCHANGEABLE
Voltmeter
Triplett (bluffton) Corporation Dba Lfe Instruments
Cross-Reference Index
Part NumberManufacturer
MVS02455 Alamo Group Texas Llc (USA)
409-06 PRIMARY Metro Machine & Engineering Corp. (USA)
Related Parts
5950-00-054-8580INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
9610
6625-00-062-6201INTERCHANGEABLE
VOLTMETER
153-0367

Frequently Asked Questions

What is NSN 4820-01-629-6418?

NSN 4820-01-629-6418 is a Valve,safety Relief, manufactured by Metro Machine & Engineering Corp., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-629-6418?

NSN 4820-01-629-6418 has 2 cross-referenced part numbers: MVS02455 (Alamo Group Texas Llc), 409-06 (Metro Machine & Engineering Corp.).

What NSN replaces 4820-01-629-6418?

There are 2 known substitutes for 4820-01-629-6418: 5950-00-054-8580, 6625-00-062-6201. Verify interchangeability with system specifications before substitution.

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