Valve, Check4820-01-623-5824

NSN 4820-01-623-5824 · NIIN 016235824 · Part number 904.8T

Dema Engineering Co · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 06630

Government record, cited

NSN 4820-01-623-5824 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-623-5824. Manufacturer of record part number: 904.8T.

Also searched as 4820-01-623-5824 · 4820016235824 · NIIN 016235824 · 01-623-5824 · FSC 4820 Valves, Nonpowered · CAGE 06630 · 904.8T

Nearby stock numbers ← 4820-01-623-5752 Pellet · 4820-01-623-5984 Coupling, Actuator-Handwheel, Valv →

4820-01-623-5824 — Valves, Nonpowered

Features

Valve,check — FSC 4820
Nominal Outside Diameter: 0.250 INCHES ALL ENDS IN
1 manufacturer part number on file
Manufacturer of record: Dema Engineering Co

Identification

NSN: 4820-01-623-5824
NIIN: 016235824
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 904.8T
Manufacturer: Dema Engineering Co

General Description

The Valve,check, cataloged under National Stock Number 4820-01-623-5824, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Dema Engineering Co. Government technical data includes 1 specification, 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

Parameter	Value
NSN	4820-01-623-5824
Primary Part Number	904.8T
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Dema Engineering Co
Status	ACTIVE
Nominal Outside Diameter	0.250 INCHES ALL ENDS IN

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
904.8T PRIMARY	Dema Engineering Co (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 4820-01-623-5824?

NSN 4820-01-623-5824 is a Valve,check, manufactured by Dema Engineering Co, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-623-5824?

NSN 4820-01-623-5824 has 1 manufacturer part number on file: 904.8T (Dema Engineering Co).

What are the specifications of 904.8T?

Key specifications for 904.8T: Nominal Outside Diameter: 0.250 INCHES ALL ENDS IN; Part Name Assigned by Controlling Agency: RINSE CHECK VALVE; End Item Identification: CONTROLLER, RI. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-623-5824 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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