PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1088-53Diaphragm,regulator

Aqualung Usa, Inc · NSN 4220-01-253-0697 · FSC 4220 · No Item Name Available
Verified by PartsTable
NSN 4220-01-253-0697 — this item is cataloged by the U.S. Government under National Stock Number 4220-01-253-0697. Primary manufacturer part number: 1088-53.
Features
  • Diaphragm,regulator — FSC 4220
  • 3 verified cross-references
  • Primary manufacturer: Aqualung Usa, Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Diaphragm,regulator, cataloged under National Stock Number 4220-01-253-0697, 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. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameDiaphragm,regulator
FSC / FSG4220 — No Item Name Available (FSG 42)
ManufacturersAqualung Usa, Inc (CAGE 94120); Mar-Vel International, Inc. Dba Mar-Vel Underwater Equip (CAGE 14819); Zf Industrieantriebe Witten Gmbh (CAGE D9182)
Technical Specifications
ParameterValue
NSN4220-01-253-0697
Primary Part Number1088-53
Item NameDiaphragm,regulator
FSC / FSG4220 / 42 — No Item Name Available
ManufacturerAqualung Usa, Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
8125-01-570-6435108954 INTERCHANGEABLE
Spray Attachment,bottle
U S Dept of Transportation Federal Aviation Administration
Cross-Reference Index
Part NumberManufacturer
1088-53 PRIMARY Aqualung Usa, Inc (USA)
1088-53 Mar-Vel International, Inc. Dba Mar-Vel Underwater Equip (USA)
1088-53 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
8125-01-570-6435INTERCHANGEABLE
SPRAY ATTACHMENT,BOTTLE
108954

Frequently Asked Questions

What is NSN 4220-01-253-0697?

NSN 4220-01-253-0697 is a Diaphragm,regulator, manufactured by Aqualung Usa, Inc, classified under FSC 4220 (No Item Name Available). Status: active.

What are the part numbers for NSN 4220-01-253-0697?

NSN 4220-01-253-0697 has 3 cross-referenced part numbers: 1088-53 (Aqualung Usa, Inc), 1088-53 (Mar-Vel International, Inc. Dba Mar-Vel Underwater Equip), 1088-53 (Zf Industrieantriebe Witten Gmbh).

What NSN replaces 4220-01-253-0697?

There is 1 known substitute for 4220-01-253-0697: 8125-01-570-6435. Verify interchangeability with system specifications before substitution.

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