PartsTable TECHNICAL DATA SHEET
NSN 4820-01-735-8568Government record, cited

Parts Kit, Pressure Regulating VA4820-01-735-8568

NSN 4820-01-735-8568 · NIIN 017358568 · Part number VN4-4BA
On Site Gas Systems Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 1B3E5
Government record, cited
NSN 4820-01-735-8568 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-735-8568. Manufacturer of record part number: VN4-4BA.
Also searched as  4820-01-735-8568 · 4820017358568 · NIIN 017358568 · 01-735-8568 · FSC 4820 Valves, Nonpowered · CAGE 1B3E5 · VN4-4BA · S9593GDMMO022TBL7-158FIG6-767-FC
Nearby stock numbers  ·
Features
  • Parts Kit,pressure Regulating VA — FSC 4820
  • Document Type: CATALOG SHEET
  • Component Document Origin: INDUSTRIAL
  • Document Source: 1B3E5
  • 1 manufacturer part number on file
  • Manufacturer of record: On Site Gas Systems Inc
Identification
  • NSN: 4820-01-735-8568
  • NIIN: 017358568
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: VN4-4BA
  • Manufacturer: On Site Gas Systems Inc
General Description

The Parts Kit,pressure Regulating VA, cataloged under National Stock Number 4820-01-735-8568, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is On Site Gas Systems Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-735-8568
Primary Part NumberVN4-4BA
Item NameParts Kit,pressure Regulating VA
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerOn Site Gas Systems Inc
StatusACTIVE
Document TypeCATALOG SHEET
Component Document OriginINDUSTRIAL
Document Source1B3E5
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
VN4-4BA PRIMARY On Site Gas Systems Inc (USA)
Reference documents
ReferenceMeaning
S9593GDMMO022TBL7-158FIG6-767-FC 5/1 Secondary reference
Pyrogenesis Inc.
No interchangeability data on file.
Other items in FSC 4820 — Valves, Nonpowered
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 4820-01-735-8568?

NSN 4820-01-735-8568 is a Parts Kit,pressure Regulating VA, manufactured by On Site Gas Systems Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-735-8568?

NSN 4820-01-735-8568 has 1 manufacturer part number on file: VN4-4BA (On Site Gas Systems Inc).

What are the specifications of VN4-4BA?

Key specifications for VN4-4BA: Document Type: CATALOG SHEET; Component Document Origin: INDUSTRIAL; Document Source: 1B3E5; Part Name Assigned by Controlling Agency: VALVE ELEMENT. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-735-8568 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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