PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA17Regulator,breathing Gas Pressure

Underwater Diving Inc Dba Trident · NSN 4220-01-508-1475 · FSC 4220 · No Item Name Available
Verified by PartsTable
NSN 4220-01-508-1475 — this item is cataloged by the U.S. Government under National Stock Number 4220-01-508-1475. Primary manufacturer part number: AA17.
Features
  • Regulator,breathing Gas Pressure — FSC 4220
  • Flow Indicator: NOT INCLUDED
  • On-Off Switch: NOT INCLUDED
  • Installation Design: PORTABLE
  • Lighted Panel: NOT INCLUDED
  • Pressure Gage: NOT INCLUDED
  • 1 verified cross-reference
  • Primary manufacturer: Underwater Diving Inc Dba Trident
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Regulator,breathing Gas Pressure, cataloged under National Stock Number 4220-01-508-1475, 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 Underwater Diving Inc Dba Trident. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). 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.

Technical Specifications
ParameterValue
NSN4220-01-508-1475
Primary Part NumberAA17
Item NameRegulator,breathing Gas Pressure
FSC / FSG4220 / 42 — No Item Name Available
ManufacturerUnderwater Diving Inc Dba Trident
StatusACTIVE
Flow IndicatorNOT INCLUDED
On-Off SwitchNOT INCLUDED
Installation DesignPORTABLE
Lighted PanelNOT INCLUDED
Pressure GageNOT INCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
7930-00-558-1111NGT-558-1111 INTERCHANGEABLE
Detergent,utility
Nugeneration Technologies Llc Dba Nugentec Div Nugentec
6150-01-285-0233AA17 INTERCHANGEABLE
Cable Assembly,power,electrical
Mc Products Inc
Cross-Reference Index
Part NumberManufacturer
AA17 PRIMARY Underwater Diving Inc Dba Trident (USA)
Related Parts
7930-00-558-1111INTERCHANGEABLE
DETERGENT,UTILITY
NGT-558-1111
6150-01-285-0233INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
AA17

Frequently Asked Questions

What is NSN 4220-01-508-1475?

NSN 4220-01-508-1475 is a Regulator,breathing Gas Pressure, manufactured by Underwater Diving Inc Dba Trident, classified under FSC 4220 (No Item Name Available). Status: active.

What are the part numbers for NSN 4220-01-508-1475?

NSN 4220-01-508-1475 has 1 cross-referenced part number: AA17 (Underwater Diving Inc Dba Trident).

What NSN replaces 4220-01-508-1475?

There are 2 known substitutes for 4220-01-508-1475: 7930-00-558-1111, 6150-01-285-0233. Verify interchangeability with system specifications before substitution.

What are the specifications of AA17?

Key specifications for AA17: Flow Indicator: NOT INCLUDED; On-Off Switch: NOT INCLUDED; Installation Design: PORTABLE; Lighted Panel: NOT INCLUDED. 7 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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