PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

505-100Neck Dam,ring Assy

Kirby Morgan Dive Systems Inc · NSN 4220-01-444-4490 · FSC 4220 · No Item Name Available
Verified by PartsTable
NSN 4220-01-444-4490 — this item is cataloged by the U.S. Government under National Stock Number 4220-01-444-4490. Primary manufacturer part number: 505-100.
Features
  • Neck Dam,ring Assy — FSC 4220
  • Material: RUBBER SYNTHETIC
  • 2 verified cross-references
  • Primary manufacturer: Kirby Morgan Dive Systems Inc
Applications
  • Applications requiring Rubber Synthetic construction
General Description

The Neck Dam,ring Assy, cataloged under National Stock Number 4220-01-444-4490, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4220-01-444-4490
Primary Part Number505-100
Item NameNeck Dam,ring Assy
FSC / FSG4220 / 42 — No Item Name Available
ManufacturerKirby Morgan Dive Systems Inc
StatusACTIVE
MaterialRUBBER SYNTHETIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4730-00-074-9634505100 INTERCHANGEABLE
Plug,pipe
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
4220-00-465-15825078-10 INTERCHANGEABLE
Mask,underwater
Aqualung Usa, Inc
2520-01-152-3156505100 INTERCHANGEABLE
Breather
Wiggins Lift Co Inc
6150-01-644-5055505100 INTERCHANGEABLE
Cover,power Distribution Panel
Victor Machinery Corporation
Cross-Reference Index
Part NumberManufacturer
DZPG HTA19NRAM27 De Zeeman Pro Germany E.k. (DEU)
505-100 PRIMARY Kirby Morgan Dive Systems Inc (USA)
Related Parts
4730-00-074-9634INTERCHANGEABLE
PLUG,PIPE
505100
4220-00-465-1582INTERCHANGEABLE
MASK,UNDERWATER
5078-10
2520-01-152-3156INTERCHANGEABLE
BREATHER
505100
6150-01-644-5055INTERCHANGEABLE
COVER,POWER DISTRIBUTION PANEL
505100

Frequently Asked Questions

What is NSN 4220-01-444-4490?

NSN 4220-01-444-4490 is a Neck Dam,ring Assy, manufactured by Kirby Morgan Dive Systems Inc, classified under FSC 4220 (No Item Name Available). Status: active.

What are the part numbers for NSN 4220-01-444-4490?

NSN 4220-01-444-4490 has 2 cross-referenced part numbers: DZPG HTA19NRAM27 (De Zeeman Pro Germany E.k.), 505-100 (Kirby Morgan Dive Systems Inc).

What NSN replaces 4220-01-444-4490?

There are 4 known substitutes for 4220-01-444-4490: 4730-00-074-9634, 4220-00-465-1582, 2520-01-152-3156 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 505-100?

Key specifications for 505-100: End Item Identification: KIRBY MORGAN SUPER-LITE 27B; Material: RUBBER SYNTHETIC. 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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