PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R348Valve,safety Relief

Aerocontrolex Group, Inc. · NSN 4820-00-587-2219 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-587-2219 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-587-2219. Primary manufacturer part number: R348.
Features
  • Valve,safety Relief — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Aerocontrolex Group, Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-00-587-2219, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Aerocontrolex Group, Inc.. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 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)
ManufacturersAerocontrolex Group, Inc. (CAGE 81833)
Technical Specifications
ParameterValue
NSN4820-00-587-2219
Primary Part NumberR348
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAerocontrolex Group, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4730-00-769-3964A-5041 INTERCHANGEABLE
Reducer,tube
Mueller Brass Co.
5905-01-093-94370811-0591 INTERCHANGEABLE
Resistor,fixed,wire Wound
Keysight Technologies Inc
5975-01-541-4934R3-48 INTERCHANGEABLE
Chassis,electrical-Electronic Eq
International Fiber Systems, Inc. Dba I F S Div Ge Security
5935-01-613-4795R-3-4-8 INTERCHANGEABLE
Connector,plug,electrical
Bird-Johnson Propeller Company, Llc
Cross-Reference Index
Part NumberManufacturer
R348 PRIMARY Aerocontrolex Group, Inc. (USA)
Related Parts
4730-00-769-3964INTERCHANGEABLE
REDUCER,TUBE
A-5041
5905-01-093-9437INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
0811-0591
5975-01-541-4934INTERCHANGEABLE
CHASSIS,ELECTRICAL-ELECTRONIC EQ
R3-48
5935-01-613-4795INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
R-3-4-8

Frequently Asked Questions

What is NSN 4820-00-587-2219?

NSN 4820-00-587-2219 is a Valve,safety Relief, manufactured by Aerocontrolex Group, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-587-2219?

NSN 4820-00-587-2219 has 1 cross-referenced part number: R348 (Aerocontrolex Group, Inc.).

What NSN replaces 4820-00-587-2219?

There are 4 known substitutes for 4820-00-587-2219: 4730-00-769-3964, 5905-01-093-9437, 5975-01-541-4934 and 1 more. Verify interchangeability with system specifications before substitution.

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