Valve, Stop-Check4820-01-294-1917

NSN 4820-01-294-1917 · NIIN 012941917 · Part number 40234R

Ritchie E S and Sons Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 50967

Government record, cited

NSN 4820-01-294-1917 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-294-1917. Manufacturer of record part number: 40234R.

Also searched as 4820-01-294-1917 · 4820012941917 · NIIN 012941917 · 01-294-1917 · FSC 4820 Valves, Nonpowered · CAGE 50967 · 40234R

Nearby stock numbers ← 4820-01-294-1916 Valve, Stop-Check · 4820-01-294-1918 Valve, Stop-Check →

4820-01-294-1917 — Valves, Nonpowered

Features

Valve,stop-Check — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Ritchie E S and Sons Inc

Identification

NSN: 4820-01-294-1917
NIIN: 012941917
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 40234R
Manufacturer: Ritchie E S and Sons Inc

General Description

The Valve,stop-Check, cataloged under National Stock Number 4820-01-294-1917, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ritchie E S and Sons Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Valve,stop-Check
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Ritchie E S and Sons Inc (CAGE 50967)

Technical Specifications

Parameter	Value
NSN	4820-01-294-1917
Primary Part Number	40234R
Item Name	Valve,stop-Check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Ritchie E S and Sons Inc
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
40234R PRIMARY	Ritchie E S and Sons 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 4820-01-294-1917?

NSN 4820-01-294-1917 is a Valve,stop-Check, manufactured by Ritchie E S and Sons Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-294-1917?

NSN 4820-01-294-1917 has 1 manufacturer part number on file: 40234R (Ritchie E S and Sons Inc).

Is NSN 4820-01-294-1917 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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