NSN 4820-01-249-3747 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-249-3747. Manufacturer of record part number: SS50-833L-12J.
Also searched as4820-01-249-3747 ·
4820012493747 ·
NIIN 012493747 ·
01-249-3747 ·
FSC 4820 Valves, Nonpowered · CAGE 06239 · SS50-833L-12J
Material: STEEL CORROSION RESISTING FLOW CONTROL DEVICE
Material: STEEL CORROSION RESISTING BODY
Valve Operation Method: AUTOMATIC
2 manufacturer part numbers on file
Manufacturer of record: Ausco Inc
Identification
NSN: 4820-01-249-3747
NIIN: 012493747
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: SS50-833L-12J
Manufacturer: Ausco Inc
General Description
The Valve,check, cataloged under National Stock Number 4820-01-249-3747, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ausco Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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Frequently Asked Questions
What is NSN 4820-01-249-3747?
NSN 4820-01-249-3747 is a Valve,check, manufactured by Ausco Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-249-3747?
NSN 4820-01-249-3747 has 2 manufacturer part numbers on file: SS50-833L-12J (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), SS50-833L-12J (Ausco Inc).
What are the specifications of SS50-833L-12J?
Key specifications for SS50-833L-12J: Flow Control Device: DISK; Mounting Position: HORIZONTAL OR VERTICAL; Material: STEEL CORROSION RESISTING FLOW CONTROL DEVICE; Material: STEEL CORROSION RESISTING BODY. 5 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-249-3747 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.