Valve, Calibrated Flow4820-01-197-5286

NSN 4820-01-197-5286 · NIIN 011975286 · Part number EFL20SS

Deltrol Corp Deltrol Controls Div · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 28478

Government record, cited

NSN 4820-01-197-5286 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-197-5286. Manufacturer of record part number: EFL20SS.

Also searched as 4820-01-197-5286 · 4820011975286 · NIIN 011975286 · 01-197-5286 · FSC 4820 Valves, Nonpowered · CAGE 28478 · EFL20SS · 283550-1649

Nearby stock numbers ← 4820-01-197-5278 Valve, Relief, Pressure and Temper · 4820-01-197-5571 →

4820-01-197-5286 — Valves, Nonpowered

Features

Valve,calibrated Flow — FSC 4820
2 manufacturer part numbers on file
Manufacturer of record: Deltrol Corp Deltrol Controls Div

Identification

NSN: 4820-01-197-5286
NIIN: 011975286
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: EFL20SS
Manufacturer: Deltrol Corp Deltrol Controls Div

General Description

The Valve,calibrated Flow, cataloged under National Stock Number 4820-01-197-5286, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Deltrol Corp Deltrol Controls Div. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Valve,calibrated Flow
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Atlantic Inertial Systems Limited (CAGE U6441); Deltrol Corp Deltrol Controls Div (CAGE 28478)

Technical Specifications

Parameter	Value
NSN	4820-01-197-5286
Primary Part Number	EFL20SS
Item Name	Valve,calibrated Flow
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Deltrol Corp Deltrol Controls Div
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
283550-1649	Atlantic Inertial Systems Limited (GBR)
EFL20SS PRIMARY	Deltrol Corp Deltrol Controls Div (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 4820-01-197-5286?

NSN 4820-01-197-5286 is a Valve,calibrated Flow, manufactured by Deltrol Corp Deltrol Controls Div, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-197-5286?

NSN 4820-01-197-5286 has 2 manufacturer part numbers on file: 283550-1649 (Atlantic Inertial Systems Limited), EFL20SS (Deltrol Corp Deltrol Controls Div).

Is NSN 4820-01-197-5286 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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