NSN 4820-01-735-8463 · NIIN 017358463 · Part number VNB403A-25A
On Site Gas Systems Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 1B3E5
Government record, cited
NSN 4820-01-735-8463 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-735-8463. Manufacturer of record part number: VNB403A-25A.
Nearby stock numbers← 4820-01-735-8442 Valve, Gate
·
4820-01-735-8568 Parts Kit, Pressure Regulating VA →
4820-01-735-8463 — Valves, Nonpowered
Features
Valve,flow Control — FSC 4820
1 manufacturer part number on file
Manufacturer of record: On Site Gas Systems Inc
Identification
NSN: 4820-01-735-8463
NIIN: 017358463
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: VNB403A-25A
Manufacturer: On Site Gas Systems Inc
General Description
The Valve,flow Control, cataloged under National Stock Number 4820-01-735-8463, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is On Site Gas Systems Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file
Frequently Asked Questions
What is NSN 4820-01-735-8463?
NSN 4820-01-735-8463 is a Valve,flow Control, manufactured by On Site Gas Systems Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-735-8463?
NSN 4820-01-735-8463 has 1 manufacturer part number on file: VNB403A-25A (On Site Gas Systems Inc).
What are the specifications of VNB403A-25A?
Key specifications for VNB403A-25A: Special Features: 145 PSI; 1 INCH NPT; AIR OPERATED IN; Part Name Assigned by Controlling Agency: PROCESS VALVE: 2 PORT VALVE FOR FLOW CONTROL; End Item Identification: NITROGEN GENERATOR. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-735-8463 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.