PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

505-026Demand Regulator As

Kirby Morgan Dive Systems Inc · NSN 4220-01-561-1502 · FSC 4220 · No Item Name Available
Verified by PartsTable
NSN 4220-01-561-1502 — this item is cataloged by the U.S. Government under National Stock Number 4220-01-561-1502. Primary manufacturer part number: 505-026.
Features
  • Demand Regulator As — 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 Demand Regulator As, cataloged under National Stock Number 4220-01-561-1502, 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4220-01-561-1502
Primary Part Number505-026
Item NameDemand Regulator As
FSC / FSG4220 / 42 — No Item Name Available
ManufacturerKirby Morgan Dive Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5325-00-282-0814 INTERCHANGEABLE
Ring,retaining
5340-00-737-2351021749 INTERCHANGEABLE
Boot,dust and Moisture Seal
Caterpillar Inc Div Caterpillar Defense
2540-01-354-0588130064ZN81 INTERCHANGEABLE
Cushion,seat Back,vehicular
Seats Inc Div Seats Incorporated
5977-01-363-9800505-026 INTERCHANGEABLE
Arm,electrical Contact Brush
Simplex Time Recorder Llc
7310-01-507-4482 INTERCHANGEABLE
Parts Kit,timer
Cross-Reference Index
Part NumberManufacturer
505-026 PRIMARY Kirby Morgan Dive Systems Inc (USA)
Related Parts
5325-00-282-0814INTERCHANGEABLE
RING,RETAINING
5340-00-737-2351INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
021749
2540-01-354-0588INTERCHANGEABLE
CUSHION,SEAT BACK,VEHICULAR
130064ZN81
5977-01-363-9800INTERCHANGEABLE
ARM,ELECTRICAL CONTACT BRUSH
505-026
7310-01-507-4482INTERCHANGEABLE
PARTS KIT,TIMER

Frequently Asked Questions

What is NSN 4220-01-561-1502?

NSN 4220-01-561-1502 is a Demand Regulator As, manufactured by Kirby Morgan Dive Systems Inc, classified under FSC 4220 (No Item Name Available). Status: active.

What are the part numbers for NSN 4220-01-561-1502?

NSN 4220-01-561-1502 has 1 cross-referenced part number: 505-026 (Kirby Morgan Dive Systems Inc).

What NSN replaces 4220-01-561-1502?

There are 5 known substitutes for 4220-01-561-1502: 5325-00-282-0814, 5340-00-737-2351, 2540-01-354-0588 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 505-026?

Key specifications for 505-026: End Item Identification: NSN4220-01-448-6434. 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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