PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

550-016Plunger

Kirby Morgan Dive Systems Inc · NSN 4220-01-171-9827 · FSC 4220 · No Item Name Available
Verified by PartsTable
NSN 4220-01-171-9827 — this item is cataloged by the U.S. Government under National Stock Number 4220-01-171-9827. Primary manufacturer part number: 550-016.
Features
  • Plunger — 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 Plunger, cataloged under National Stock Number 4220-01-171-9827, 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 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePlunger
FSC / FSG4220 — No Item Name Available (FSG 42)
ManufacturersKirby Morgan Dive Systems Inc (CAGE 58366); Zf Industrieantriebe Witten Gmbh (CAGE D9182)
Technical Specifications
ParameterValue
NSN4220-01-171-9827
Primary Part Number550-016
Item NamePlunger
FSC / FSG4220 / 42 — No Item Name Available
ManufacturerKirby Morgan Dive Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3110-00-155-62250042994-4 INTERCHANGEABLE
Bearing,ball,annular
New Holland Construction
5340-00-276-5849117921 INTERCHANGEABLE
Plug,expansion
General Motors Llc Dba General Motors Llc
4730-00-809-970616-16 140237C INTERCHANGEABLE
Elbow,pipe
Sae International Dba Sae International
5998-01-063-3497 INTERCHANGEABLE
Circuit Card Assembly
3110-01-254-529855001.6 INTERCHANGEABLE
Bearing,ball,annular
Ward Leonard Ct Llc
5330-01-418-5913550016 INTERCHANGEABLE
Seal,plain
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
4210-01-576-8988 INTERCHANGEABLE
Blow Off Cap
Cross-Reference Index
Part NumberManufacturer
550-016 Kirby Morgan Dive Systems Inc (USA)
592-6318252 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
3110-00-155-6225INTERCHANGEABLE
BEARING,BALL,ANNULAR
0042994-4
5340-00-276-5849INTERCHANGEABLE
PLUG,EXPANSION
117921
4730-00-809-9706INTERCHANGEABLE
ELBOW,PIPE
16-16 140237C
5998-01-063-3497INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
3110-01-254-5298INTERCHANGEABLE
BEARING,BALL,ANNULAR
55001.6
5330-01-418-5913INTERCHANGEABLE
SEAL,PLAIN
550016
4210-01-576-8988INTERCHANGEABLE
BLOW OFF CAP

Frequently Asked Questions

What is NSN 4220-01-171-9827?

NSN 4220-01-171-9827 is a Plunger, manufactured by Kirby Morgan Dive Systems Inc, classified under FSC 4220 (No Item Name Available). Status: active.

What are the part numbers for NSN 4220-01-171-9827?

NSN 4220-01-171-9827 has 2 cross-referenced part numbers: 550-016 (Kirby Morgan Dive Systems Inc), 592-6318252 (Zf Industrieantriebe Witten Gmbh).

What NSN replaces 4220-01-171-9827?

There are 7 known substitutes for 4220-01-171-9827: 3110-00-155-6225, 5340-00-276-5849, 4730-00-809-9706 and 4 more. Verify interchangeability with system specifications before substitution.

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