Valve, Regulating, Fluid Pressure4820-01-563-5540

NSN 4820-01-563-5540 · NIIN 015635540 · Part number 40680-55

Eaton Corporation Dba Eaton Inoac · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 0DT23

Government record, cited

NSN 4820-01-563-5540 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-563-5540. Manufacturer of record part number: 40680-55.

Also searched as 4820-01-563-5540 · 4820015635540 · NIIN 015635540 · 01-563-5540 · FSC 4820 Valves, Nonpowered · CAGE 0DT23 · 40680-55

Nearby stock numbers ← 4820-01-563-5539 Valve, Safety Relief · 4820-01-563-5562 Cartridge, Shut-Off Valve →

4820-01-563-5540 — Valves, Nonpowered

Features

Valve,regulating,fluid Pressure — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Eaton Corporation Dba Eaton Inoac

Identification

NSN: 4820-01-563-5540
NIIN: 015635540
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 40680-55
Manufacturer: Eaton Corporation Dba Eaton Inoac

General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-563-5540, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Eaton Corporation Dba Eaton Inoac. 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

Parameter	Value
NSN	4820-01-563-5540
Primary Part Number	40680-55
Item Name	Valve,regulating,fluid Pressure
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Eaton Corporation Dba Eaton Inoac
Status	ACTIVE

Lifecycle & Compliance

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

Cross-Reference Index

Part Number	Manufacturer
40680-55 PRIMARY	Eaton Corporation Dba Eaton Inoac (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 4820-01-563-5540?

NSN 4820-01-563-5540 is a Valve,regulating,fluid Pressure, manufactured by Eaton Corporation Dba Eaton Inoac, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-563-5540?

NSN 4820-01-563-5540 has 1 manufacturer part number on file: 40680-55 (Eaton Corporation Dba Eaton Inoac).

What are the specifications of 40680-55?

Key specifications for 40680-55: Special Features: VALVE REGULATING, FLUID; End Item Identification: 4930-01-545-6669, FUEL SYSTEM SUPPLY POINT. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-563-5540 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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