PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22222Valve,safety Relief,oxygen Syste

Cleveland Range, Llc · NSN 4820-01-278-5451 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-278-5451 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-278-5451. Primary manufacturer part number: 22222.
Features
  • Valve,safety Relief,oxygen Syste — FSC 4820
  • Opening Pressure Setting: 1.0 POUNDS PER SQUARE INCH LBS
  • 1 verified cross-reference
  • Primary manufacturer: Cleveland Range, Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,safety Relief,oxygen Syste, cataloged under National Stock Number 4820-01-278-5451, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Cleveland Range, Llc. 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-278-5451
Primary Part Number22222
Item NameValve,safety Relief,oxygen Syste
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCleveland Range, Llc
StatusACTIVE
Opening Pressure Setting1.0 POUNDS PER SQUARE INCH LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5950-00-081-2204240-0668-000 INTERCHANGEABLE
Coil,radio Frequency
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5905-00-106-7015 INTERCHANGEABLE
Resistor Set,matched
3110-00-156-145122222 INTERCHANGEABLE
Bearing,roller,self-Aligning
Almon Johnson Ltd
6625-00-229-709222222 INTERCHANGEABLE
Meter,modulation
L3 Technologies, Inc. Div L3 Telemetry & Rf Products
5305-00-770-2533119450 INTERCHANGEABLE
Screw,machine
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5935-01-426-4698222-22 INTERCHANGEABLE
Connector,plug,electrical
Cnh Industrial America Llc Dba Cnh America
4320-01-441-730822222 INTERCHANGEABLE
Connector,fluid,pump
Exceltec Intl Corp
Cross-Reference Index
Part NumberManufacturer
22222 PRIMARY Cleveland Range, Llc (USA)
Related Parts
5950-00-081-2204INTERCHANGEABLE
COIL,RADIO FREQUENCY
240-0668-000
5905-00-106-7015INTERCHANGEABLE
RESISTOR SET,MATCHED
3110-00-156-1451INTERCHANGEABLE
BEARING,ROLLER,SELF-ALIGNING
22222
6625-00-229-7092INTERCHANGEABLE
METER,MODULATION
22222
5305-00-770-2533INTERCHANGEABLE
SCREW,MACHINE
119450
5935-01-426-4698INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
222-22
4320-01-441-7308INTERCHANGEABLE
CONNECTOR,FLUID,PUMP
22222

Frequently Asked Questions

What is NSN 4820-01-278-5451?

NSN 4820-01-278-5451 is a Valve,safety Relief,oxygen Syste, manufactured by Cleveland Range, Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-278-5451?

NSN 4820-01-278-5451 has 1 cross-referenced part number: 22222 (Cleveland Range, Llc).

What NSN replaces 4820-01-278-5451?

There are 7 known substitutes for 4820-01-278-5451: 5950-00-081-2204, 5905-00-106-7015, 3110-00-156-1451 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 22222?

Key specifications for 22222: Opening Pressure Setting: 1.0 POUNDS PER SQUARE INCH LBS. 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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