PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

500-101Helmet,deep-Sea Diver's

Kirby Morgan Dive Systems Inc · NSN 4220-01-590-8891 · FSC 4220 · No Item Name Available
Verified by PartsTable
NSN 4220-01-590-8891 — this item is cataloged by the U.S. Government under National Stock Number 4220-01-590-8891. Primary manufacturer part number: 500-101.
Features
  • Helmet,deep-Sea Diver's — FSC 4220
  • 1 verified cross-reference
  • Primary manufacturer: Kirby Morgan Dive Systems Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Helmet,deep-Sea Diver's, cataloged under National Stock Number 4220-01-590-8891, 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 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4220-01-590-8891
Primary Part Number500-101
Item NameHelmet,deep-Sea Diver's
FSC / FSG4220 / 42 — No Item Name Available
ManufacturerKirby Morgan Dive Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5905-00-246-1012110-100OHMS INTERCHANGEABLE
Resistor,variable,wire Wound,non
Vernitron Corp Vrn International Div
7045-00-406-30853661-02 INTERCHANGEABLE
Tape Seal
Wright Line Llc
1650-00-601-0287 INTERCHANGEABLE
Filter Element,fluid
5985-00-815-350550010-1 INTERCHANGEABLE
Switch,radio Frequency Transmiss
Dow-Key Microwave Llc
6130-01-223-0267500101 INTERCHANGEABLE
Power Supply
Astra Products Co., Inc. of Tampa Dba Astra Products Co Inc of Tampa
5305-01-522-6033500101 INTERCHANGEABLE
Screw,cap,socket Head
Howmet Global Fastening Systems Inc
Cross-Reference Index
Part NumberManufacturer
500-101 PRIMARY Kirby Morgan Dive Systems Inc (USA)
Related Parts
5905-00-246-1012INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
110-100OHMS
7045-00-406-3085INTERCHANGEABLE
TAPE SEAL
3661-02
1650-00-601-0287INTERCHANGEABLE
FILTER ELEMENT,FLUID
5985-00-815-3505INTERCHANGEABLE
SWITCH,RADIO FREQUENCY TRANSMISS
50010-1
6130-01-223-0267INTERCHANGEABLE
POWER SUPPLY
500101
5305-01-522-6033INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
500101

Frequently Asked Questions

What is NSN 4220-01-590-8891?

NSN 4220-01-590-8891 is a Helmet,deep-Sea Diver's, manufactured by Kirby Morgan Dive Systems Inc, classified under FSC 4220 (No Item Name Available). Status: active.

What are the part numbers for NSN 4220-01-590-8891?

NSN 4220-01-590-8891 has 1 cross-referenced part number: 500-101 (Kirby Morgan Dive Systems Inc).

What NSN replaces 4220-01-590-8891?

There are 6 known substitutes for 4220-01-590-8891: 5905-00-246-1012, 7045-00-406-3085, 1650-00-601-0287 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 500-101?

Key specifications for 500-101: Part Name Assigned by Controlling Agency: HELMET,DEEP-SEA DIVER'S. 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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