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NSN 4820-01-612-9040Government record, cited

Valve, Bleeder, Hydraulic System4820-01-612-9040

NSN 4820-01-612-9040 · NIIN 016129040 · Part number DP0V-0020
Ralston Instruments, Llc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 65428
Government record, cited
NSN 4820-01-612-9040 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-612-9040. Manufacturer of record part number: DP0V-0020.
Also searched as  4820-01-612-9040 · 4820016129040 · NIIN 016129040 · 01-612-9040 · FSC 4820 Valves, Nonpowered · CAGE 65428 · DP0V-0020
Nearby stock numbers  ·
Features
  • Valve,bleeder,hydraulic System — FSC 4820
  • Flow Control Device: PLUGPLUG
  • Style Designator: STRAIGHT THRU
  • Material: COPPER ALLOY FLOW CONTROL DEVICE
  • 1 manufacturer part number on file
  • Manufacturer of record: Ralston Instruments, Llc
Identification
  • NSN: 4820-01-612-9040
  • NIIN: 016129040
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: DP0V-0020
  • Manufacturer: Ralston Instruments, Llc
General Description

The Valve,bleeder,hydraulic System, cataloged under National Stock Number 4820-01-612-9040, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ralston Instruments, Llc. 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-612-9040
Primary Part NumberDP0V-0020
Item NameValve,bleeder,hydraulic System
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerRalston Instruments, Llc
StatusACTIVE
Flow Control DevicePLUGPLUG
Style DesignatorSTRAIGHT THRU
MaterialCOPPER ALLOY FLOW CONTROL DEVICE
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
DP0V-0020 PRIMARY Ralston Instruments, Llc (USA)
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 4820-01-612-9040?

NSN 4820-01-612-9040 is a Valve,bleeder,hydraulic System, manufactured by Ralston Instruments, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-612-9040?

NSN 4820-01-612-9040 has 1 manufacturer part number on file: DP0V-0020 (Ralston Instruments, Llc).

What are the specifications of DP0V-0020?

Key specifications for DP0V-0020: Flow Control Device: PLUGPLUG; Style Designator: STRAIGHT THRU; Special Features: MATERIAL CONSTRUCTION ANODIZED ALUMINUM, BRASS, SEAL MATERIAL BUNA-N, DELRINMATERIAL CONSTRUCTION ANODIZED ALUMINUM, BRASS, SEAL MATERIAL BUNA-N, DELRIN; Part Name Assigned by Controlling Agency: BLEED VALVE ASSEMBLYBLEED VALVE ASSEMBLY. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-612-9040 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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