NSN 4820-01-421-5219 · NIIN 014215219 · Part number A07057.005.127
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 15187
Government record, cited
NSN 4820-01-421-5219 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-421-5219. Manufacturer of record part number: A07057.005.127.
Manufacturer of record: Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Identification
NSN: 4820-01-421-5219
NIIN: 014215219
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: A07057.005.127
Manufacturer: Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
General Description
The Disk,valve, cataloged under National Stock Number 4820-01-421-5219, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-421-5219
Primary Part Number
A07057.005.127
Item Name
Disk,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Status
ACTIVE
Material
NICKEL ALLOY
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 Items9
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
NSN 4820-01-421-5219 is a Disk,valve, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-421-5219?
NSN 4820-01-421-5219 has 2 manufacturer part numbers on file: A07057.005.127 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), SW144-6C (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
What NSN replaces 4820-01-421-5219?
9 possible matches (shared part number, not a government interchangeability claim): 4820-01-421-5273, 4820-01-421-5276, 4820-01-451-0720. Verify interchangeability with system specifications before substitution.
What are the specifications of A07057.005.127?
Key specifications for A07057.005.127: End Item Identification: SEAWOLF CLASS SSN; Material: NICKEL ALLOY. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-421-5219 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.