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NSN 4820-01-182-2487Government record, cited

Valve, Safety Relief4820-01-182-2487

NSN 4820-01-182-2487 · NIIN 011822487 · Part number 4N6HNNA53640MOD2
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 15187
Government record, cited
NSN 4820-01-182-2487 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-182-2487. Manufacturer of record part number: 4N6HNNA53640MOD2.
Also searched as  4820-01-182-2487 · 4820011822487 · NIIN 011822487 · 01-182-2487 · FSC 4820 Valves, Nonpowered · CAGE 15187 · 4N6HNNA53640MOD2 · A53640 755T800PSI
Nearby stock numbers  ·
Features
  • Valve,safety Relief — FSC 4820
  • Nominal Pipe Size Accommodated: 4.000 INCHES FIRST END IN
  • Operating Pressure: 800.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Identification
  • NSN: 4820-01-182-2487
  • NIIN: 011822487
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 4N6HNNA53640MOD2
  • Manufacturer: Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-182-2487, 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 2 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.

Technical Specifications
ParameterValue
NSN4820-01-182-2487
Primary Part Number4N6HNNA53640MOD2
Item NameValve,safety Relief
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
Nominal Pipe Size Accommodated4.000 INCHES FIRST END IN
Operating Pressure800.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
A53640 755T800PSI Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
4N6HNNA53640MOD2 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (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 4820-01-182-2487?

NSN 4820-01-182-2487 is a Valve,safety Relief, 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 4820-01-182-2487?

NSN 4820-01-182-2487 has 2 manufacturer part numbers on file: A53640 755T800PSI (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 4N6HNNA53640MOD2 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).

What are the specifications of 4N6HNNA53640MOD2?

Key specifications for 4N6HNNA53640MOD2: Nominal Pipe Size Accommodated: 4.000 INCHES FIRST END IN; Operating Pressure: 800.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-182-2487 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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