- Home /
- FSC NSN Catalog /
- Marine Lifesaving and Diving Equipment /
- DE2731
NSN DE2731
Breathing Apparatus Valve Body
mk21 mod1 diving helmet end item identification.
NSN 4220-01-331-1739 Datasheet
- (NSN) National Stock Number
- 4220-01-331-1739
- (FSG) Federal Supply Group
- 42 - Firefighting, Rescue, and Safety Equipment; and Environmental Protection Equipment and Materials
- (FSC) Federal Supply Classification
- 4220 - Marine Lifesaving and Diving Equipment
- (NIIN) National Item Identification Number
- 01-331-1739
- Requires Demilitarization
- Yes
- (INC) Item Name Code
- 39052
- Date
- Fri, Dec 14, 1990
- End Item Identification
- mk21 mod1 diving helmet
Identification
- Demilitarization Code
- A - Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
- Precious Metals Indicator
- A - Item does not contain precious metal.
- Hazardous Metals Indicator
- N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
- Pseudo Item Name Code
- 0039052
Cross Reference
CAGE Codes
- 9009H
-
Jednolity Indeks Materialowy - Uniform Material IndexGovernment departments or units, including military organizations
- 58366
-
Kirby Morgan Dive Systems IncU.s./canadian manufacturers
- 53711
-
Naval Sea Systems CommandU.s./canadian manufacturers
- Z01M1
-
Jfd Australia Pty Ltd James Fisher Australia Pty LtdNon-us manufacturer (nato), other foreign organization or codification bureaus
Freight Information
- Air Commodity
- VZ -
- Air Dimension
- A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
- National Motor Freight Class Rating
- W - Rating variable
- Special Handling
- 9 - Other or no special handling required (sh)
- Type of Cargo
- Z - No special type of cargo code applicable
- Uniform Freight Classification Item Number
- 29300
- Water Commodity
- 780 - Marine lifesaving and diving equipment
- National Motor Freight Classification Item Number
- 051080
Questions & Answers
-
What is the FSCG of the NSN 4220-01-331-1739?
The FSCG of the NSN 4220-01-331-1739 is 4220
-
Does NSN 4220-01-331-1739 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
-
Does NSN 4220-01-331-1739 contain precious materials?
Item does not contain precious metal.
-
Does NSN 4220-01-331-1739 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
-
When the NSN 4220-01-331-1739 was assigned to the Federal Catalog?
It was assigned 35 years ago, on Fri, Dec 14, 1990
Pricing & Availability
Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.
Stock Checks
-
5935-01-615-011710/06/2026 04:10 PM EDTElectrical Receptacle Connector1 in stock
-
1560-01-614-532810/06/2026 04:10 PM EDTAircraft Structural Plate1 in stock
-
5930-01-495-846210/06/2026 04:10 PM EDTPressure Switch3 in stock
-
5306-01-471-744310/06/2026 04:10 PM EDTShear Bolt38 in stock
-
4020-00-003-629310/06/2026 04:10 PM EDTFibrous Rope116 in stock
-
4730-01-282-507710/06/2026 04:10 PM EDTTube Coupling4 in stock
-
1560-01-216-565810/06/2026 04:10 PM EDTAircraft Windshield Panel1 in stock
-
4730-01-349-062510/06/2026 04:10 PM EDTTube Coupling Nut Assembly3 in stock
-
5970-00-147-567510/06/2026 04:10 PM EDTElectrical Insulation Tape9 in stock
-
3120-00-661-541810/06/2026 04:10 PM EDTSleeve Bushing3,801 in stock
-
5826-01-492-835710/06/2026 04:10 PM EDTRadio Navigation Transmitter17 in stock
-
5305-00-946-834010/06/2026 12:10 PM EDTSocket Head Cap Screw965 in stock
-
4730-01-015-134710/06/2026 04:10 PM EDTTube to Boss Tee77 in stock
-
5310-00-176-633310/06/2026 12:10 PM EDTHexagon Self-Locking Nut13,596 in stock
-
4730-00-502-896310/06/2026 12:10 PM EDTTube Reducer110 in stock
Recent Updates
-
5995-00-006-971810/06/2026 08:10 AM EDTElectrical Cord AssemblyIn Wire Assemblies: Communication Equipment, Cord and Cable
-
5995-00-006-972010/06/2026 08:10 AM EDTRadio Frequency Cable AssemblyIn Wire Assemblies: Communication Equipment, Cord and Cable
-
5330-00-006-972210/06/2026 08:10 AM EDTGasketIn Packing and Gasket Materials
-
5985-00-006-972310/06/2026 08:10 AM EDTNo Name AvailableIn Related Equipment, Waveguides and Antennas
-
5998-00-006-972610/06/2026 08:10 AM EDTCircuit Card AssemblyIn Electrical and Electronic Assemblies, Boards, Cards and Associated Hardware
-
1325-00-008-533310/05/2026 08:10 AM EDTBomb FuzeIn Bombs
-
6135-00-008-534110/05/2026 08:10 AM EDTNonrechargeable BatteryIn Nonrechargeable Batteries
-
5331-00-008-532410/05/2026 08:10 AM EDTO-RingIn O-Ring
-
1325-00-008-533710/05/2026 08:10 AM EDTUtility BombIn Bombs
-
6135-00-008-534010/05/2026 08:10 AM EDTBatteryIn Nonrechargeable Batteries
-
5305-00-006-940810/02/2026 08:10 AM EDTMachine ScrewIn Screws
-
9330-00-006-938710/02/2026 08:10 AM EDTObservation WindowIn Plastics Fabricated Materials
-
8030-00-006-939110/02/2026 08:10 AM EDTCoating CompoundIn Preservative and Sealing Compounds
-
5935-00-006-939410/02/2026 08:10 AM EDTElectrical Receptacle ConnectorIn Electrical Connectors
-
5935-00-006-939610/02/2026 08:10 AM EDTElectrical Receptacle ConnectorIn Electrical Connectors
Popular Categories
-
FSC 3416Lathes
-
FSC 5675Nonwood Construction Lumber and Related Materials
-
FSC 2850Gasoline Rotary Engines and Components
-
FSC 3590Miscellaneous Service and Trade Equipment
-
FSC 1385Surface Use Explosive Ordnance Disposal Tools and Equipment
-
FSC 9390Miscellaneous Fabricated Nonmetallic Materials
-
FSC 1440Guided Missile Launchers
-
FSC 1735Space Vehicle Handling and Servicing Equipment
-
FSC 7435Office Information System Equipment
-
FSC 4230Decontaminating and Impregnating Equipment
-
FSC 3405Saws and Filing Machines
-
FSC 4915Ship Maintenance and Repair Shop Specialized Equipment
-
FSC 3365Historical Fsc 3365
-
FSC 2540Vehicular Furniture and Accessories
-
FSC 3433Metalizing Equipment, Heat Cutting and Gas Welding