NSN 4820-01-453-8701 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-453-8701. Manufacturer of record part number: 2.5IN-52-IQQ-3-5.
Operating Pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Valve Size: 2.500 INCHES IN
Mounting Facility: LUG(S)
Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE
Material: NICKEL ALLOY FLOW CONTROL DEVICE
Material: IRON CAST BODY
Identification
NSN: 4820-01-453-8701
NIIN: 014538701
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 2.5IN-52-IQQ-3-5
Manufacturer: Core Industries Inc. Dba Mueller Steam Specialty
General Description
The Valve,butterfly, cataloged under National Stock Number 4820-01-453-8701, 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 9 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
Parameter
Value
NSN
4820-01-453-8701
Primary Part Number
2.5IN-52-IQQ-3-5
Item Name
Valve,butterfly
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Core Industries Inc. Dba Mueller Steam Specialty
Status
ACTIVE
Style Designator
STRAIGHT THRU
Operating Pressure
200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
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
Related Parts in Valves
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
8171E-1/4HS2
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
D559A3M2
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 4820-01-453-8701?
NSN 4820-01-453-8701 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 4820-01-453-8701?
NSN 4820-01-453-8701 has 2 manufacturer part numbers on file: 2.5IN-52-IQQ-3-5 (Core Industries Inc. Dba Mueller Steam Specialty), AN-2.5.0-52-F (Core Industries Inc. Dba Mueller Steam Specialty).
What are the specifications of 2.5IN-52-IQQ-3-5?
Key specifications for 2.5IN-52-IQQ-3-5: Style Designator: STRAIGHT THRU; Operating Pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Valve Size: 2.500 INCHES IN; Mounting Facility: LUG(S). 9 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-453-8701 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.