PartsTable TECHNICAL DATA SHEET
NSN 4820-01-386-1795Government record, cited

Valve, Butterfly4820-01-386-1795

NSN 4820-01-386-1795 · NIIN 013861795 · Part number 552IQQ31
Core Industries Inc. Dba Mueller Steam Specialty · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 76588
Government record, cited
NSN 4820-01-386-1795 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-386-1795. Manufacturer of record part number: 552IQQ31.
Also searched as  4820-01-386-1795 · 4820013861795 · NIIN 013861795 · 01-386-1795 · FSC 4820 Valves, Nonpowered · CAGE 76588 · 552IQQ31
Nearby stock numbers  ·
Features
  • Valve,butterfly — FSC 4820
  • Furnished Items and Quantity: 1 HANDLE
  • Operating Pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Valve Size: 5.000 INCHES IN
  • Mounting Facility: LUG(S)
  • Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE
  • Material: NICKEL ALLOY STEM
  • Material: NICKEL ALLOY FLOW CONTROL DEVICE
Identification
  • NSN: 4820-01-386-1795
  • NIIN: 013861795
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 552IQQ31
  • Manufacturer: Core Industries Inc. Dba Mueller Steam Specialty
General Description

The Valve,butterfly, cataloged under National Stock Number 4820-01-386-1795, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Core Industries Inc. Dba Mueller Steam Specialty. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-386-1795
Primary Part Number552IQQ31
Item NameValve,butterfly
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerCore Industries Inc. Dba Mueller Steam Specialty
StatusACTIVE
Furnished Items and Quantity1 HANDLE
Operating Pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Valve Size5.000 INCHES IN
Mounting FacilityLUG(S)
Media for Which DesignedWATER-OIL-GAS SINGLE RESPONSE
MaterialNICKEL ALLOY STEM
MaterialNICKEL ALLOY FLOW CONTROL DEVICE
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT
MaterialIRON CAST BODY
Valve Operation MethodMANUAL
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
552IQQ31 PRIMARY Core Industries Inc. Dba Mueller Steam Specialty (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 4820-01-386-1795?

NSN 4820-01-386-1795 is a Valve,butterfly, manufactured by Core Industries Inc. Dba Mueller Steam Specialty, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-386-1795?

NSN 4820-01-386-1795 has 1 manufacturer part number on file: 552IQQ31 (Core Industries Inc. Dba Mueller Steam Specialty).

What are the specifications of 552IQQ31?

Key specifications for 552IQQ31: Furnished Items and Quantity: 1 HANDLE; Operating Pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Valve Size: 5.000 INCHES IN; Mounting Facility: LUG(S). 10 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-386-1795 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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