PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA42Inflator,diver's Buoyancy Compen

Underwater Diving Inc Dba Trident · NSN 4220-01-508-1406 · FSC 4220 · No Item Name Available
Verified by PartsTable
NSN 4220-01-508-1406 — this item is cataloged by the U.S. Government under National Stock Number 4220-01-508-1406. Primary manufacturer part number: AA42.
Features
  • Inflator,diver's Buoyancy Compen — FSC 4220
  • 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 Inflator,diver's Buoyancy Compen, cataloged under National Stock Number 4220-01-508-1406, 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. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4220-01-508-1406
Primary Part NumberAA42
Item NameInflator,diver's Buoyancy Compen
FSC / FSG4220 / 42 — No Item Name Available
ManufacturerUnderwater Diving Inc Dba Trident
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
8510-00-817-02951018 INTERCHANGEABLE
Talcum Powder
Morning Star Industries Inc
6930-00-931-7350AA4-2 INTERCHANGEABLE
Adapter,bearing
Roller Bearing Co of America, Inc Div Pic Design
3130-01-222-7293AA42 INTERCHANGEABLE
Cap,pillow Block
Circor Naval Solutions Llc Dba Warren Pumps
Cross-Reference Index
Part NumberManufacturer
AA42 PRIMARY Underwater Diving Inc Dba Trident (USA)
Related Parts
8510-00-817-0295INTERCHANGEABLE
TALCUM POWDER
1018
6930-00-931-7350INTERCHANGEABLE
ADAPTER,BEARING
AA4-2
3130-01-222-7293INTERCHANGEABLE
CAP,PILLOW BLOCK
AA42

Frequently Asked Questions

What is NSN 4220-01-508-1406?

NSN 4220-01-508-1406 is a Inflator,diver's Buoyancy Compen, manufactured by Underwater Diving Inc Dba Trident, classified under FSC 4220 (No Item Name Available). Status: active.

What are the part numbers for NSN 4220-01-508-1406?

NSN 4220-01-508-1406 has 1 cross-referenced part number: AA42 (Underwater Diving Inc Dba Trident).

What NSN replaces 4220-01-508-1406?

There are 3 known substitutes for 4220-01-508-1406: 8510-00-817-0295, 6930-00-931-7350, 3130-01-222-7293. Verify interchangeability with system specifications before substitution.

What are the specifications of AA42?

Key specifications for AA42: Special Features: HOSE LENGTH 36 INCHES; MAXIMUM WORKING PRESSURE 250 PSI; MAXIMUM BURST PRESSURE 2000 PSI IN; Part Name Assigned by Controlling Agency: INFLATOR HOSE. 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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