PartsTable TECHNICAL DATA SHEET
NSN 4820-01-541-1616Government record, cited

Valve, Regulating, Fluid Pressure4820-01-541-1616

NSN 4820-01-541-1616 · NIIN 015411616 · Part number BB2ME20/PSR-2
Proportion Air Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 0DGU6
Government record, cited
NSN 4820-01-541-1616 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-541-1616. Manufacturer of record part number: BB2ME20/PSR-2.
Also searched as  4820-01-541-1616 · 4820015411616 · NIIN 015411616 · 01-541-1616 · FSC 4820 Valves, Nonpowered · CAGE 0DGU6 · BB2ME20/PSR-2
Nearby stock numbers  ·
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Mounting Facility: STUD
  • Material: ALUMINUM BODY
  • Maximum Inlet Pressure Rating: ERR-060
  • 1 manufacturer part number on file
  • Manufacturer of record: Proportion Air Inc
Identification
  • NSN: 4820-01-541-1616
  • NIIN: 015411616
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: BB2ME20/PSR-2
  • Manufacturer: Proportion Air Inc
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-541-1616, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Proportion Air 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-541-1616
Primary Part NumberBB2ME20/PSR-2
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerProportion Air Inc
StatusACTIVE
Mounting FacilitySTUD
MaterialALUMINUM BODY
Maximum Inlet Pressure RatingERR-060
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
BB2ME20/PSR-2 PRIMARY Proportion Air Inc (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 4820-01-541-1616?

NSN 4820-01-541-1616 is a Valve,regulating,fluid Pressure, manufactured by Proportion Air Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-541-1616?

NSN 4820-01-541-1616 has 1 manufacturer part number on file: BB2ME20/PSR-2 (Proportion Air Inc).

What are the specifications of BB2ME20/PSR-2?

Key specifications for BB2ME20/PSR-2: Mounting Facility: STUD; End Item Identification: EUROFIGHTER AIRCRAFT; HYDRAULIC PUMP TEST RIG; Material: ALUMINUM BODY; Maximum Inlet Pressure Rating: ERR-060. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-541-1616 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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