PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

500-040Helmet,deep-Sea Diver's

Kirby Morgan Dive Systems Inc · NSN 4220-01-448-6434 · FSC 4220 · No Item Name Available
Verified by PartsTable
NSN 4220-01-448-6434 — this item is cataloged by the U.S. Government under National Stock Number 4220-01-448-6434. Primary manufacturer part number: 500-040.
Features
  • Helmet,deep-Sea Diver's — FSC 4220
  • Type/model Designation: SUPERLITE 27
  • 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 4220-01-448-6434, 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4220-01-448-6434
Primary Part Number500-040
Item NameHelmet,deep-Sea Diver's
FSC / FSG4220 / 42 — No Item Name Available
ManufacturerKirby Morgan Dive Systems Inc
StatusACTIVE
Type/model DesignationSUPERLITE 27
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5950-00-069-2505 INTERCHANGEABLE
Reactor
6685-00-515-34817017107 INTERCHANGEABLE
Gage,pressure,dial Indicating
U S Army Tank Automotive Command Amsta-Im-Mm
6150-00-832-6641 INTERCHANGEABLE
Cable Assembly,power,electrical
5950-01-302-07241975811-13 INTERCHANGEABLE
Transformer,power
Northrop Grumman Systems Corporation
5998-01-442-3462 INTERCHANGEABLE
Printed Circuit Board
5410-01-476-866250-0040 INTERCHANGEABLE
Gutter,rain
Clamshell Structures, Inc
5945-01-536-3446500040 INTERCHANGEABLE
Relay,solid State
Steris Corporation Dba Steris Applied Sterilization Technololgies
3040-01-644-2137104716-1 INTERCHANGEABLE
Ring,piston
Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division
5325-01-644-2163205151-1 INTERCHANGEABLE
Ring,retaining
Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division
Cross-Reference Index
Part NumberManufacturer
500-040 PRIMARY Kirby Morgan Dive Systems Inc (USA)
Related Parts
5950-00-069-2505INTERCHANGEABLE
REACTOR
6685-00-515-3481INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
7017107
6150-00-832-6641INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
5950-01-302-0724INTERCHANGEABLE
TRANSFORMER,POWER
1975811-13
5998-01-442-3462INTERCHANGEABLE
PRINTED CIRCUIT BOARD
5410-01-476-8662INTERCHANGEABLE
GUTTER,RAIN
50-0040
5945-01-536-3446INTERCHANGEABLE
RELAY,SOLID STATE
500040
3040-01-644-2137INTERCHANGEABLE
RING,PISTON
104716-1
5325-01-644-2163INTERCHANGEABLE
RING,RETAINING
205151-1

Frequently Asked Questions

What is NSN 4220-01-448-6434?

NSN 4220-01-448-6434 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 4220-01-448-6434?

NSN 4220-01-448-6434 has 1 cross-referenced part number: 500-040 (Kirby Morgan Dive Systems Inc).

What NSN replaces 4220-01-448-6434?

There are 9 known substitutes for 4220-01-448-6434: 5950-00-069-2505, 6685-00-515-3481, 6150-00-832-6641 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 500-040?

Key specifications for 500-040: Type/model Designation: SUPERLITE 27; Special Features: SUPPLIED WITH COM POSTS. 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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