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NSN 4820-01-491-2629Government record, cited

Valve, Check4820-01-491-2629

NSN 4820-01-491-2629 · NIIN 014912629 · Part number 1851-101
Vernay Laboratories Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 0ZNA9
Government record, cited
NSN 4820-01-491-2629 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-491-2629. Manufacturer of record part number: 1851-101.
Also searched as  4820-01-491-2629 · 4820014912629 · NIIN 014912629 · 01-491-2629 · FSC 4820 Valves, Nonpowered · CAGE 0ZNA9 · 1851-101 · 18511010
Nearby stock numbers  ·
Features
  • Valve,check — FSC 4820
  • Flow Control Device: DISK
  • Mounting Position: VERTICAL
  • Valve Operation Method: AUTOMATIC
  • 3 manufacturer part numbers on file
  • Manufacturer of record: Vernay Laboratories Inc
Identification
  • NSN: 4820-01-491-2629
  • NIIN: 014912629
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 1851-101
  • Manufacturer: Vernay Laboratories Inc
General Description

The Valve,check, cataloged under National Stock Number 4820-01-491-2629, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Vernay Laboratories Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-491-2629
Primary Part Number1851-101
Item NameValve,check
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerVernay Laboratories Inc
StatusACTIVE
Flow Control DeviceDISK
Mounting PositionVERTICAL
Valve Operation MethodAUTOMATIC
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
18511010 Vernay Europa B.v. (NLD)
1851-101 PRIMARY Vernay Laboratories Inc (USA)
1851-101 Vernay Europa B.v. (NLD)
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 4820-01-491-2629?

NSN 4820-01-491-2629 is a Valve,check, manufactured by Vernay Laboratories Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-491-2629?

NSN 4820-01-491-2629 has 3 manufacturer part numbers on file: 18511010 (Vernay Europa B.v.), 1851-101 (Vernay Laboratories Inc), 1851-101 (Vernay Europa B.v.).

What are the specifications of 1851-101?

Key specifications for 1851-101: Flow Control Device: DISK; Mounting Position: VERTICAL; Special Features: UMBRELLA SHAPED; 12.7 - 15.7 MM LONG MM; Valve Operation Method: AUTOMATIC. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-491-2629 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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