PartsTable TECHNICAL DATA SHEET
NSN 4820-01-451-6495Government record, cited

Stem, Fluid Valve4820-01-451-6495

NSN 4820-01-451-6495 · NIIN 014516495 · Part number 2.5-52-IQQQ3-1 NO 5
Core Industries Inc. Dba Mueller Steam Specialty · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 76588
Government record, cited
NSN 4820-01-451-6495 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-451-6495. Manufacturer of record part number: 2.5-52-IQQQ3-1 NO 5.
Also searched as  4820-01-451-6495 · 4820014516495 · NIIN 014516495 · 01-451-6495 · FSC 4820 Valves, Nonpowered · CAGE 76588 · 2.5-52-IQQQ3-1 NO 5
Nearby stock numbers  ·
Features
  • Stem,fluid Valve — FSC 4820
  • Valve Type for Which Designed: BUTTERFLY
  • Valve Size for Which Designed: 2.500 INCHES IN
  • 1 manufacturer part number on file
  • Manufacturer of record: Core Industries Inc. Dba Mueller Steam Specialty
Identification
  • NSN: 4820-01-451-6495
  • NIIN: 014516495
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 2.5-52-IQQQ3-1 NO 5
  • Manufacturer: Core Industries Inc. Dba Mueller Steam Specialty
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-451-6495, 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 2 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
NSN4820-01-451-6495
Primary Part Number2.5-52-IQQQ3-1 NO 5
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerCore Industries Inc. Dba Mueller Steam Specialty
StatusACTIVE
Valve Type for Which DesignedBUTTERFLY
Valve Size for Which Designed2.500 INCHES IN
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
2.5-52-IQQQ3-1 NO 5 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 4820-01-451-6495?

NSN 4820-01-451-6495 is a Stem,fluid Valve, manufactured by Core Industries Inc. Dba Mueller Steam Specialty, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-451-6495?

NSN 4820-01-451-6495 has 1 manufacturer part number on file: 2.5-52-IQQQ3-1 NO 5 (Core Industries Inc. Dba Mueller Steam Specialty).

What are the specifications of 2.5-52-IQQQ3-1 NO 5?

Key specifications for 2.5-52-IQQQ3-1 NO 5: Valve Type for Which Designed: BUTTERFLY; Valve Size for Which Designed: 2.500 INCHES IN; Special Features: LOWER STEM; End Item Identification: USNS STALWART CLASS TAGOS. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-451-6495 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.
PartsTable Design LLC · partstable.com