NSN 4820-01-393-5477 · NIIN 013935477 · Part number 4505-40
Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 41387
Government record, cited
NSN 4820-01-393-5477 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-393-5477. Manufacturer of record part number: 4505-40.
Also searched as4820-01-393-5477 ·
4820013935477 ·
NIIN 013935477 ·
01-393-5477 ·
FSC 4820 Valves, Nonpowered · CAGE 41387 · 4505-40
Manufacturer of record: Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
Identification
NSN: 4820-01-393-5477
NIIN: 013935477
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 4505-40
Manufacturer: Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
General Description
The Diaphragm,actuator Valve,special, cataloged under National Stock Number 4820-01-393-5477, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-393-5477
Primary Part Number
4505-40
Item Name
Diaphragm,actuator Valve,special
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
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
⇄Related Items1
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3040-01-699-9600450540POSSIBLE MATCH
CYLINDER,ACTUATING,LINEAR
Possible match (shared part number)Industrial Magnetics, Inc.
NSN 4820-01-393-5477 is a Diaphragm,actuator Valve,special, manufactured by Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-393-5477?
NSN 4820-01-393-5477 has 2 manufacturer part numbers on file: 4505-40 (Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives), 4505-40 (Siemens Moore Process Automation).
What NSN replaces 4820-01-393-5477?
1 possible match (shared part number, not a government interchangeability claim): 3040-01-699-9600. Verify interchangeability with system specifications before substitution.
What are the specifications of 4505-40?
Key specifications for 4505-40: Special Features: USED ON PRESSURE TRANSMITTER. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-393-5477 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.