PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

200-661Connector,rebreather

Biomarine Inc · NSN 4220-01-241-0909 · FSC 4220 · No Item Name Available
Verified by PartsTable
NSN 4220-01-241-0909 — this item is cataloged by the U.S. Government under National Stock Number 4220-01-241-0909. Primary manufacturer part number: 200-661.
Features
  • Connector,rebreather — FSC 4220
  • General Characteristics Item Description: NAVY G BRASS,TIN BRONZE PER QQ-C-390,D3;O/A LG 2.109 IN. NOMINAL;ONE THD TWO PLACES 1.375-18 UNEF,FROM UNDER CUT 0.500 IN. DEEP,AND 0.375 IN. DEEP;OTHER HEAD FLANGE DIA 1.875 IN.,AND 0.156 IN. THICK;ID 1.000 IN. DIA IN
  • 2 verified cross-references
  • Primary manufacturer: Biomarine Inc
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Connector,rebreather, cataloged under National Stock Number 4220-01-241-0909, 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 Biomarine 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4220-01-241-0909
Primary Part Number200-661
Item NameConnector,rebreather
FSC / FSG4220 / 42 — No Item Name Available
ManufacturerBiomarine Inc
StatusACTIVE
General Characteristics Item DescriptionNAVY G BRASS,TIN BRONZE PER QQ-C-390,D3;O/A LG 2.109 IN. NOMINAL;ONE THD TWO PLACES 1.375-18 UNEF,FROM UNDER CUT 0.500 IN. DEEP,AND 0.375 IN. DEEP;OTHER HEAD FLANGE DIA 1.875 IN.,AND 0.156 IN. THICK;ID 1.000 IN. DIA IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4210-00-242-84673218-8023-5 INTERCHANGEABLE
Lock Assembly,travel
Kidde Fire Fighting, Inc. Div National Foam
4820-00-549-473520066-1 INTERCHANGEABLE
Valve,suction
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
5360-00-598-66251-1628 INTERCHANGEABLE
Spring,helical,extension
Terex Usa, Llc Dba Terex Equipment Services
5975-01-489-5758200661 INTERCHANGEABLE
Mounting Base,electrical Equipme
Telectro-Mek Inc
1680-01-654-324120066-1 INTERCHANGEABLE
Latch-20066
The Boeing Company Div Defense
Cross-Reference Index
Part NumberManufacturer
200-661 Mar-Vel International, Inc. Dba Mar-Vel Underwater Equip (USA)
200-661 PRIMARY Biomarine Inc (USA)
Related Parts
4210-00-242-8467INTERCHANGEABLE
LOCK ASSEMBLY,TRAVEL
3218-8023-5
4820-00-549-4735INTERCHANGEABLE
VALVE,SUCTION
20066-1
5360-00-598-6625INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
1-1628
5975-01-489-5758INTERCHANGEABLE
MOUNTING BASE,ELECTRICAL EQUIPME
200661
1680-01-654-3241INTERCHANGEABLE
LATCH-20066
20066-1

Frequently Asked Questions

What is NSN 4220-01-241-0909?

NSN 4220-01-241-0909 is a Connector,rebreather, manufactured by Biomarine Inc, classified under FSC 4220 (No Item Name Available). Status: active.

What are the part numbers for NSN 4220-01-241-0909?

NSN 4220-01-241-0909 has 2 cross-referenced part numbers: 200-661 (Mar-Vel International, Inc. Dba Mar-Vel Underwater Equip), 200-661 (Biomarine Inc).

What NSN replaces 4220-01-241-0909?

There are 5 known substitutes for 4220-01-241-0909: 4210-00-242-8467, 4820-00-549-4735, 5360-00-598-6625 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 200-661?

Key specifications for 200-661: General Characteristics Item Description: NAVY G BRASS,TIN BRONZE PER QQ-C-390,D3;O/A LG 2.109 IN. NOMINAL;ONE THD TWO PLACES 1.375-18 UNEF,FROM UNDER CUT 0.500 IN. DEEP,AND 0.375 IN. DEEP;OTHER HEAD FLANGE DIA 1.875 IN.,AND 0.156 IN. THICK;ID 1.000 IN. DIA IN. 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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