PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5026-20Mask,diver's

Aqualung Usa, Inc · NSN 4220-01-225-1611 · FSC 4220 · No Item Name Available
Verified by PartsTable
NSN 4220-01-225-1611 — this item is cataloged by the U.S. Government under National Stock Number 4220-01-225-1611. Primary manufacturer part number: 5026-20.
Features
  • Mask,diver's — FSC 4220
  • Shape: OVAL
  • 5 verified cross-references
  • Primary manufacturer: Aqualung Usa, Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Mask,diver's, cataloged under National Stock Number 4220-01-225-1611, 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 Aqualung Usa, Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4220-01-225-1611
Primary Part Number5026-20
Item NameMask,diver's
FSC / FSG4220 / 42 — No Item Name Available
ManufacturerAqualung Usa, Inc
StatusACTIVE
ShapeOVAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5930-00-197-476250260-0 INTERCHANGEABLE
Guard,switch
Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc
5331-01-067-69265026-00 INTERCHANGEABLE
O-Ring
Pentair Filtration Solutions, Llc
5365-01-092-7493502620 INTERCHANGEABLE
Shim
Transdigm Inc Div Aero Fluid Products
5330-01-102-1719502-600 INTERCHANGEABLE
Sleeve,seal,coupler
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
5962-01-131-1237 INTERCHANGEABLE
Microcircuit,digital
5136-01-645-002850-2600 INTERCHANGEABLE
Tap,rethreading
Kastar Hand Tools
5136-01-645-005550-2620 INTERCHANGEABLE
Tap,rethreading
Kastar Hand Tools
Cross-Reference Index
Part NumberManufacturer
5026-00 Zf Industrieantriebe Witten Gmbh (DEU)
1681AS200-1 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
5026-00 Aqualung Usa, Inc (USA)
USD 5026-00 Zf Industrieantriebe Witten Gmbh (DEU)
5026-20 PRIMARY Aqualung Usa, Inc (USA)
Related Parts
5930-00-197-4762INTERCHANGEABLE
GUARD,SWITCH
50260-0
5331-01-067-6926INTERCHANGEABLE
O-RING
5026-00
5365-01-092-7493INTERCHANGEABLE
SHIM
502620
5330-01-102-1719INTERCHANGEABLE
SLEEVE,SEAL,COUPLER
502-600
5962-01-131-1237INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5136-01-645-0028INTERCHANGEABLE
TAP,RETHREADING
50-2600
5136-01-645-0055INTERCHANGEABLE
TAP,RETHREADING
50-2620

Frequently Asked Questions

What is NSN 4220-01-225-1611?

NSN 4220-01-225-1611 is a Mask,diver's, manufactured by Aqualung Usa, Inc, classified under FSC 4220 (No Item Name Available). Status: active.

What are the part numbers for NSN 4220-01-225-1611?

NSN 4220-01-225-1611 has 5 cross-referenced part numbers: 5026-00 (Zf Industrieantriebe Witten Gmbh), 1681AS200-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 5026-00 (Aqualung Usa, Inc), USD 5026-00 (Zf Industrieantriebe Witten Gmbh), 5026-20 (Aqualung Usa, Inc).

What NSN replaces 4220-01-225-1611?

There are 7 known substitutes for 4220-01-225-1611: 5930-00-197-4762, 5331-01-067-6926, 5365-01-092-7493 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5026-20?

Key specifications for 5026-20: Shape: OVAL. 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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