Stem, Fluid Valve 4820-00-385-9457 NSN 4820-00-385-9457 · NIIN 003859457 · Part number MCS159X1
Siemens Energy, Inc. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 16712
NSN 4820-00-385-9457 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-385-9457. Manufacturer of record part number: MCS159X1 .
Also searched as
4820-00-385-9457 ·
4820003859457 ·
NIIN 003859457 ·
00-385-9457 ·
FSC 4820 Valves, Nonpowered · CAGE 16712 · MCS159X1 · G15203PC19 · G15203 · G14605PC13
Nearby stock numbers
← 4820-00-385-9435 Seat, Valve
·
4820-00-385-9464 Valve, Flow Control →
4820-00-385-9457 — Valves, Nonpowered
Features
Stem,fluid Valve — FSC 4820 Material: STEEL CORROSION RESISTING 3 manufacturer part numbers on file Manufacturer of record: Siemens Energy, Inc.
Identification
NSN: 4820-00-385-9457
NIIN: 003859457
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: MCS159X1
Manufacturer: Siemens Energy, Inc.
General Description
The Stem,fluid Valve, cataloged under National Stock Number 4820-00-385-9457, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Siemens Energy, Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter Value NSN 4820-00-385-9457 Primary Part Number MCS159X1 Item Name Stem,fluid Valve FSC / FSG 4820 / 48 — Valves, Nonpowered Manufacturer Siemens Energy, Inc. Status ACTIVE Material STEEL CORROSION RESISTING
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
G15203PC19 Siemens Energy, Inc. (USA)
G14605PC13 Siemens Energy, Inc. (USA)
MCS159X1 PRIMARY Siemens Energy, Inc. (USA)
Reference documents
Reference Meaning
G15203
D/9 Drawing number reference only Siemens Energy, Inc.
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 4820-00-385-9457?
NSN 4820-00-385-9457 is a Stem,fluid Valve, manufactured by Siemens Energy, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-385-9457?
NSN 4820-00-385-9457 has 3 manufacturer part numbers on file: G15203PC19 (Siemens Energy, Inc.), G14605PC13 (Siemens Energy, Inc.), MCS159X1 (Siemens Energy, Inc.).
What are the specifications of MCS159X1?
Key specifications for MCS159X1: Material: STEEL CORROSION RESISTING. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-00-385-9457 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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