The Valve,butterfly, cataloged under National Stock Number 4820-01-275-4166, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Universal Industrial Products Co Div of Core Industries Inc. Government technical data includes 12 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.
| Parameter | Value |
|---|---|
| NSN | 4820-01-275-4166 |
| Primary Part Number | 52-INI3-1 10IN |
| Item Name | Valve,butterfly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Universal Industrial Products Co Div of Core Industries Inc |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Furnished Items and Quantity | 1 HANDLE |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 10.000 INCHES IN |
| Maximum Operating Temp | 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Mounting Facility | LUG(S) |
| Material | IRON BODY |
| Material | RUBBER SEAT |
| Material | IRON FLOW CONTROL DEVICE |
| Valve Operation Method | MANUAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 52-INI3-1 10IN PRIMARY | Universal Industrial Products Co Div of Core Industries Inc (USA) |
| BN-2.0/12-52-L10 10IN | Universal Industrial Products Co Div of Core Industries Inc (USA) |
NSN 4820-01-275-4166 is a Valve,butterfly, manufactured by Universal Industrial Products Co Div of Core Industries Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-275-4166 has 2 manufacturer part numbers on file: 52-INI3-1 10IN (Universal Industrial Products Co Div of Core Industries Inc), BN-2.0/12-52-L10 10IN (Universal Industrial Products Co Div of Core Industries Inc).
Key specifications for 52-INI3-1 10IN: Flange Shape: ROUND WITH HOLES ALL ENDS; Furnished Items and Quantity: 1 HANDLE; Connection Type: FLANGE ALL ENDS; Style Designator: STRAIGHT THRU FLANGED ENDS. 12 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.