PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

550-022Stem,valve

Kirby Morgan Dive Systems Inc · NSN 4220-01-183-2999 · FSC 4220 · No Item Name Available
Verified by PartsTable
NSN 4220-01-183-2999 — this item is cataloged by the U.S. Government under National Stock Number 4220-01-183-2999. Primary manufacturer part number: 550-022.
Features
  • Stem,valve — FSC 4220
  • 5 verified cross-references
  • Primary manufacturer: Kirby Morgan Dive Systems Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Stem,valve, cataloged under National Stock Number 4220-01-183-2999, is classified within Federal Supply Class 4220 (No Item Name Available) of the Fire Fighting, Rescue, and Safety Equipment group. The primary manufacturer of record is Kirby Morgan Dive Systems Inc. This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameStem,valve
FSC / FSG4220 — No Item Name Available (FSG 42)
ManufacturersNimikkeistokeskus Ncb Finland (CAGE A486G); Honeywell Aerospace Yeovil Div Aerospace -Yeovil (CAGE U1605); Kirby Morgan Dive Systems Inc (CAGE 58366); Ministry of Defence, De&s Underwater and Electronic Warfare Pt (uew Ipt) (CAGE K1806)
Technical Specifications
ParameterValue
NSN4220-01-183-2999
Primary Part Number550-022
Item NameStem,valve
FSC / FSG4220 / 42 — No Item Name Available
ManufacturerKirby Morgan Dive Systems Inc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5895-00-057-1895554-6088-004 INTERCHANGEABLE
Tuning Unit,radio Frequency
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
6145-00-087-43431506 INTERCHANGEABLE
Cable,special Purpose,electrical
Champlain Cable Leeds Corporation
3455-00-131-62091781-0500 INTERCHANGEABLE
Cutter,milling,end
New York Twist Drill Inc
3110-00-156-3493465906 INTERCHANGEABLE
Bearing,ball,annular
Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)
5940-00-204-8966MS25036-102 INTERCHANGEABLE
Terminal,lug
Sae International Dba Sae International
9390-00-250-6035 INTERCHANGEABLE
Nonmetallic Special Shaped Secti
5340-00-609-48711895 INTERCHANGEABLE
Cap,protective,dust and Moisture
Unison Industries, Llc Dba Unison Industries Inc
5950-00-761-88799110-0040 INTERCHANGEABLE
Reactor
Keysight Technologies Inc
6240-00-946-9654311908 INTERCHANGEABLE
Lamp,incandescent
Brp Us Inc
5930-01-024-9172 INTERCHANGEABLE
Switch,toggle
Cross-Reference Index
Part NumberManufacturer
10382508 Nimikkeistokeskus Ncb Finland (FIN)
9147Y078 Honeywell Aerospace Yeovil Div Aerospace -Yeovil (GBR)
18-95 Kirby Morgan Dive Systems Inc (USA)
DP5839 Ministry of Defence, De&s Underwater and Electronic Warfare Pt (uew Ipt) (GBR)
550-022 PRIMARY Kirby Morgan Dive Systems Inc (USA)
Related Parts
5895-00-057-1895INTERCHANGEABLE
TUNING UNIT,RADIO FREQUENCY
554-6088-004
6145-00-087-4343INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
1506
3455-00-131-6209INTERCHANGEABLE
CUTTER,MILLING,END
1781-0500
3110-00-156-3493INTERCHANGEABLE
BEARING,BALL,ANNULAR
465906
5940-00-204-8966INTERCHANGEABLE
TERMINAL,LUG
MS25036-102
9390-00-250-6035INTERCHANGEABLE
NONMETALLIC SPECIAL SHAPED SECTI
5340-00-609-4871INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
1895
5950-00-761-8879INTERCHANGEABLE
REACTOR
9110-0040
6240-00-946-9654INTERCHANGEABLE
LAMP,INCANDESCENT
311908
5930-01-024-9172INTERCHANGEABLE
SWITCH,TOGGLE
2930-01-192-3696INTERCHANGEABLE
RADIATOR,ENGINE COOLANT
4730-01-345-5432INTERCHANGEABLE
TRAP,MOISTURE
189-5

Frequently Asked Questions

What is NSN 4220-01-183-2999?

NSN 4220-01-183-2999 is a Stem,valve, manufactured by Kirby Morgan Dive Systems Inc, classified under FSC 4220 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4220-01-183-2999?

NSN 4220-01-183-2999 has 5 cross-referenced part numbers: 10382508 (Nimikkeistokeskus Ncb Finland), 9147Y078 (Honeywell Aerospace Yeovil Div Aerospace -Yeovil), 18-95 (Kirby Morgan Dive Systems Inc), DP5839 (Ministry of Defence, De&s Underwater and Electronic Warfare Pt (uew Ipt)), 550-022 (Kirby Morgan Dive Systems Inc).

What NSN replaces 4220-01-183-2999?

There are 12 known substitutes for 4220-01-183-2999: 5895-00-057-1895, 6145-00-087-4343, 3455-00-131-6209 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 4220-01-183-2999 still in active supply?

NSN 4220-01-183-2999 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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