PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

550-043Plug

Kirby Morgan Dive Systems Inc · NSN 4220-01-237-1604 · FSC 4220 · No Item Name Available
Verified by PartsTable
NSN 4220-01-237-1604 — this item is cataloged by the U.S. Government under National Stock Number 4220-01-237-1604. Primary manufacturer part number: 550-043.
Features
  • Plug — FSC 4220
  • 2 verified cross-references
  • Primary manufacturer: Kirby Morgan Dive Systems Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Plug, cataloged under National Stock Number 4220-01-237-1604, 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 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePlug
FSC / FSG4220 — No Item Name Available (FSG 42)
ManufacturersKirby Morgan Dive Systems Inc (CAGE 58366)
Technical Specifications
ParameterValue
NSN4220-01-237-1604
Primary Part Number550-043
Item NamePlug
FSC / FSG4220 / 42 — No Item Name Available
ManufacturerKirby Morgan Dive Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5950-00-009-964917090 INTERCHANGEABLE
Transformer,power
Robert M. Hadley Company, Inc.
5998-00-011-9943 INTERCHANGEABLE
Electronic Components Assembly
2910-00-127-506717090 INTERCHANGEABLE
Head Assembly,hydra
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5995-00-136-8736NW17090 INTERCHANGEABLE
Wiring Harness,branched
Tld Wollard Llc
3455-00-293-0513 INTERCHANGEABLE
Cutter,milling,metal Slitting
3020-00-479-265317090 INTERCHANGEABLE
Gear,bevel
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5970-00-510-1593 INTERCHANGEABLE
Insulator,coupling Assembly
5342-00-882-690351153 INTERCHANGEABLE
Mount,resilient,weapon System
Tech Products Corp
5120-00-916-330817090 INTERCHANGEABLE
Tool,valve Seating
Collins Engine Nozzles, Inc
3010-00-993-6737 INTERCHANGEABLE
Clutch Assembly,friction
Cross-Reference Index
Part NumberManufacturer
17-090 Kirby Morgan Dive Systems Inc (USA)
550-043 PRIMARY Kirby Morgan Dive Systems Inc (USA)
Related Parts
5950-00-009-9649INTERCHANGEABLE
TRANSFORMER,POWER
17090
5998-00-011-9943INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
2910-00-127-5067INTERCHANGEABLE
HEAD ASSEMBLY,HYDRA
17090
5995-00-136-8736INTERCHANGEABLE
WIRING HARNESS,BRANCHED
NW17090
3455-00-293-0513INTERCHANGEABLE
CUTTER,MILLING,METAL SLITTING
3020-00-479-2653INTERCHANGEABLE
GEAR,BEVEL
17090
5970-00-510-1593INTERCHANGEABLE
INSULATOR,COUPLING ASSEMBLY
5342-00-882-6903INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
51153
5120-00-916-3308INTERCHANGEABLE
TOOL,VALVE SEATING
17090
3010-00-993-6737INTERCHANGEABLE
CLUTCH ASSEMBLY,FRICTION
6515-01-590-1057INTERCHANGEABLE
SCREW,BONE
202.228

Frequently Asked Questions

What is NSN 4220-01-237-1604?

NSN 4220-01-237-1604 is a Plug, manufactured by Kirby Morgan Dive Systems Inc, classified under FSC 4220 (No Item Name Available). Status: active.

What are the part numbers for NSN 4220-01-237-1604?

NSN 4220-01-237-1604 has 2 cross-referenced part numbers: 17-090 (Kirby Morgan Dive Systems Inc), 550-043 (Kirby Morgan Dive Systems Inc).

What NSN replaces 4220-01-237-1604?

There are 11 known substitutes for 4220-01-237-1604: 5950-00-009-9649, 5998-00-011-9943, 2910-00-127-5067 and 8 more. Verify interchangeability with system specifications before substitution.

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