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NSN 4220-01-707-5482Government record, cited

Stem, Fluid Valve4220-01-707-5482

NSN 4220-01-707-5482 · NIIN 017075482 · Part number YVASTEM
Sub Aquatics, Inc. Dba Breathing Air Systems Div Sub-Aquatics Inc, Dba Breathing Air Systems · FSC 4220 — Marine Lifesaving and Diving Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment · CAGE 63054
Government record, cited
NSN 4220-01-707-5482 — this item is cataloged by the U.S. Government under National Stock Number 4220-01-707-5482. Manufacturer of record part number: YVASTEM.
Also searched as  4220-01-707-5482 · 4220017075482 · NIIN 017075482 · 01-707-5482 · FSC 4220 Marine Lifesaving and Diving Equipment · CAGE 63054 · YVASTEM
Nearby stock numbers  ·
Features
  • Stem,fluid Valve — FSC 4220
  • Valve Type for Which Designed: REGULATOR
  • Stem Actuating End Type: THREADED EXTERNALLY
  • 1 manufacturer part number on file
  • Manufacturer of record: Sub Aquatics, Inc. Dba Breathing Air Systems Div Sub-Aquatics Inc, Dba Breathing Air Systems
Identification
  • NSN: 4220-01-707-5482
  • NIIN: 017075482
  • FSC: 4220 — Marine Lifesaving and Diving Equipment
  • FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
  • Primary part number: YVASTEM
  • Manufacturer: Sub Aquatics, Inc. Dba Breathing Air Systems Div Sub-Aquatics Inc, Dba Breathing Air Systems
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4220-01-707-5482, is classified within Federal Supply Class 4220 (Marine Lifesaving and Diving Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Sub Aquatics, Inc. Dba Breathing Air Systems Div Sub-Aquatics Inc, Dba Breathing Air Systems. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4220-01-707-5482
Primary Part NumberYVASTEM
Item NameStem,fluid Valve
FSC / FSG4220 / 42 — Marine Lifesaving and Diving Equipment
ManufacturerSub Aquatics, Inc. Dba Breathing Air Systems Div Sub-Aquatics Inc, Dba Breathing Air Systems
StatusACTIVE
Valve Type for Which DesignedREGULATOR
Stem Actuating End TypeTHREADED EXTERNALLY
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
YVASTEM PRIMARY Sub Aquatics, Inc. Dba Breathing Air Systems Div Sub-Aquatics Inc, Dba Breathing Air Systems (USA)
No interchangeability data on file.
Other items in FSC 4220 — Marine Lifesaving and Diving Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4220-00-004-8880
4220-00-004-8880 · Item name not on file
4220-00-009-2854
DIVING EQUIPMENT SET
4220-00-012-3571
INFLATION ASSEMBLY,LIFE JACKET
4220-00-014-0183
4220-00-014-0183 · Item name not on file
4220-00-014-2097
CARTRIDGE,COMPRESSED GAS
4220-00-021-4979
COVER,RAFT
4220-00-021-9688
LANYARD ASSEMBLY
4220-00-022-1014
4220-00-022-1014 · Item name not on file

Frequently Asked Questions

What is NSN 4220-01-707-5482?

NSN 4220-01-707-5482 is a Stem,fluid Valve, manufactured by Sub Aquatics, Inc. Dba Breathing Air Systems Div Sub-Aquatics Inc, Dba Breathing Air Systems, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.

What part numbers are listed for NSN 4220-01-707-5482?

NSN 4220-01-707-5482 has 1 manufacturer part number on file: YVASTEM (Sub Aquatics, Inc. Dba Breathing Air Systems Div Sub-Aquatics Inc, Dba Breathing Air Systems).

What are the specifications of YVASTEM?

Key specifications for YVASTEM: Valve Type for Which Designed: REGULATOR; Stem Actuating End Type: THREADED EXTERNALLY; Part Name Assigned by Controlling Agency: STEM FOR YVA SERIES VALVES; End Item Identification: 2350-01-458-7410. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4220-01-707-5482 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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