PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

525-341Parts Kit,diving Helmet

Kirby Morgan Dive Systems Inc · NSN 4220-01-458-5826 · FSC 4220 · No Item Name Available
Verified by PartsTable
NSN 4220-01-458-5826 — this item is cataloged by the U.S. Government under National Stock Number 4220-01-458-5826. Primary manufacturer part number: 525-341.
Features
  • Parts Kit,diving Helmet — 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 Parts Kit,diving Helmet, cataloged under National Stock Number 4220-01-458-5826, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameParts Kit,diving Helmet
FSC / FSG4220 — No Item Name Available (FSG 42)
ManufacturersKirby Morgan Dive Systems Inc (CAGE 58366)
Technical Specifications
ParameterValue
NSN4220-01-458-5826
Primary Part Number525-341
Item NameParts Kit,diving Helmet
FSC / FSG4220 / 42 — No Item Name Available
ManufacturerKirby Morgan Dive Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4310-00-294-2749P52534-1 INTERCHANGEABLE
Ring,piston
Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp
5310-00-922-6416525341 INTERCHANGEABLE
Washer,flat
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Cross-Reference Index
Part NumberManufacturer
525-341 PRIMARY Kirby Morgan Dive Systems Inc (USA)
Related Parts
4310-00-294-2749INTERCHANGEABLE
RING,PISTON
P52534-1
5310-00-922-6416INTERCHANGEABLE
WASHER,FLAT
525341

Frequently Asked Questions

What is NSN 4220-01-458-5826?

NSN 4220-01-458-5826 is a Parts Kit,diving Helmet, manufactured by Kirby Morgan Dive Systems Inc, classified under FSC 4220 (No Item Name Available). Status: active.

What are the part numbers for NSN 4220-01-458-5826?

NSN 4220-01-458-5826 has 1 cross-referenced part number: 525-341 (Kirby Morgan Dive Systems Inc).

What NSN replaces 4220-01-458-5826?

There are 2 known substitutes for 4220-01-458-5826: 4310-00-294-2749, 5310-00-922-6416. Verify interchangeability with system specifications before substitution.

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