Valve, Diaphragm, Stop4820-01-666-1551

NSN 4820-01-666-1551 · NIIN 016661551 · Part number 39561-1

Rogerson Aircraft Corporation · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 8Y056

Government record, cited

NSN 4820-01-666-1551 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-666-1551. Manufacturer of record part number: 39561-1.

Also searched as 4820-01-666-1551 · 4820016661551 · NIIN 016661551 · 01-666-1551 · FSC 4820 Valves, Nonpowered · CAGE 8Y056 · 39561-1

Nearby stock numbers ← 4820-01-666-1550 Stem, Fluid Valve · 4820-01-666-1560 Stem, Fluid Valve →

4820-01-666-1551 — Valves, Nonpowered

Features

Valve,diaphragm,stop — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Rogerson Aircraft Corporation

Identification

NSN: 4820-01-666-1551
NIIN: 016661551
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 39561-1
Manufacturer: Rogerson Aircraft Corporation

General Description

The Valve,diaphragm,stop, cataloged under National Stock Number 4820-01-666-1551, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Rogerson Aircraft Corporation. 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	4820-01-666-1551
Primary Part Number	39561-1
Item Name	Valve,diaphragm,stop
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Rogerson Aircraft Corporation
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
39561-1 PRIMARY	Rogerson Aircraft Corporation (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 4820-01-666-1551?

NSN 4820-01-666-1551 is a Valve,diaphragm,stop, manufactured by Rogerson Aircraft Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-666-1551?

NSN 4820-01-666-1551 has 1 manufacturer part number on file: 39561-1 (Rogerson Aircraft Corporation).

What are the specifications of 39561-1?

Key specifications for 39561-1: Part Name Assigned by Controlling Agency: DIAPHRAGM; End Item Identification: DISTRIBUTOR VALVE. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-666-1551 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.

PartsTable Design LLC · partstable.com