The Valve,butterfly, cataloged under National Stock Number 4820-01-465-5216, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Grinnell Corp. Government technical data includes 16 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-465-5216 |
| Primary Part Number | 3-WC-8270-4 |
| Item Name | Valve,butterfly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Grinnell Corp |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Flange Face Design | PLAIN ALL ENDS |
| Bolt Circle Nominal Diameter | 6.000 INCHES ALL ENDS IN |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Bolt Hole Nominal Diameter | 0.6250 INCHES ALL ENDS IN |
| Valve Size | 3.000 INCHES IN |
| Nominal Outside Diameter | 4.000 INCHES ALL ENDS IN |
| Bolt Hole Quantity | 4 ALL ENDS |
| Face to Face Distance | 2.130 INCHES IN |
| Material | BRONZE BODY |
| Material | STEEL COMP 316 STEM |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT |
| Material | STEEL COMP 316 FLOW CONTROL DEVICE |
| Valve Operation Method | MANUAL |
| Nominal Thickness | 0.500 INCHES ALL ENDS IN |
| 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 |
|---|---|
| 9325C16-1913-01 | The Entwistle Company Llc (USA) |
| 3-WC-8270-4 PRIMARY | Grinnell Corp (USA) |
| Reference | Meaning |
|---|---|
| 5R2030-22AA-1JS | 5/9 Secondary reference U.S. Government activity |
| 9325C16-1913 | D/9 Drawing number reference only The Entwistle Company Llc |
| 5R2030-22AA-1JS | C/1 Advisory reference — outside the item-of-supply concept Dover Resources, Inc. Div Norriseal |
| 5R2030-22AA-1JS | C/1 Advisory reference — outside the item-of-supply concept Grinnell Corp |
NSN 4820-01-465-5216 is a Valve,butterfly, manufactured by Grinnell Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-465-5216 has 2 manufacturer part numbers on file: 9325C16-1913-01 (The Entwistle Company Llc), 3-WC-8270-4 (Grinnell Corp).
Key specifications for 3-WC-8270-4: Flange Shape: ROUND WITH HOLES ALL ENDS; Flange Face Design: PLAIN ALL ENDS; Bolt Circle Nominal Diameter: 6.000 INCHES ALL ENDS IN; Connection Type: FLANGE ALL ENDS. 16 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.