PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

500-701Helmet,deep-Sea Diver's

Kirby Morgan Dive Systems Inc · NSN 4220-01-698-4402 · FSC 4220 · No Item Name Available
Verified by PartsTable
NSN 4220-01-698-4402 — this item is cataloged by the U.S. Government under National Stock Number 4220-01-698-4402. Primary manufacturer part number: 500-701.
Features
  • Helmet,deep-Sea Diver's — FSC 4220
  • Material: STEEL CORROSION RESISTING
  • 1 verified cross-reference
  • Primary manufacturer: Kirby Morgan Dive Systems Inc
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Helmet,deep-Sea Diver's, cataloged under National Stock Number 4220-01-698-4402, 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. 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4220-01-698-4402
Primary Part Number500-701
Item NameHelmet,deep-Sea Diver's
FSC / FSG4220 / 42 — No Item Name Available
ManufacturerKirby Morgan Dive Systems Inc
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2540-00-693-0221 INTERCHANGEABLE
Spring,brake Pedal
5355-00-753-5201MS91528-1F2B3 INTERCHANGEABLE
Knob
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5915-00-914-4831 INTERCHANGEABLE
Filter,radio Frequency Interfere
Cross-Reference Index
Part NumberManufacturer
500-701 PRIMARY Kirby Morgan Dive Systems Inc (USA)
Related Parts
2540-00-693-0221INTERCHANGEABLE
SPRING,BRAKE PEDAL
5355-00-753-5201INTERCHANGEABLE
KNOB
MS91528-1F2B3
5915-00-914-4831INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE

Frequently Asked Questions

What is NSN 4220-01-698-4402?

NSN 4220-01-698-4402 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 4220-01-698-4402?

NSN 4220-01-698-4402 has 1 cross-referenced part number: 500-701 (Kirby Morgan Dive Systems Inc).

What NSN replaces 4220-01-698-4402?

There are 3 known substitutes for 4220-01-698-4402: 2540-00-693-0221, 5355-00-753-5201, 5915-00-914-4831. Verify interchangeability with system specifications before substitution.

What are the specifications of 500-701?

Key specifications for 500-701: Part Name Assigned by Controlling Agency: STAINLESS STEEL HELMET, DEEP SEA DIVERS; Material: STEEL CORROSION RESISTING. 2 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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