The Valve,butterfly, cataloged under National Stock Number 4820-01-671-4236, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Flowline Valve and Controls, L.l.c.. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-671-4236 |
| Primary Part Number | 78-030N-M917R20 |
| Item Name | Valve,butterfly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Flowline Valve and Controls, L.l.c. |
| Status | ACTIVE |
| Style Designator | STRAIGHT THRU |
| Material Document and Classification | ASTM B148 C95800 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | ASTM A494 -35-1 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Material Document and Classification | ASTM B865 N05500 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Valve Size | 3.00 INCHES IN |
| Mounting Facility | WAFER |
| Bolt Hole Quantity | 4 ALL ENDS |
| Face to Face Distance | 1.89 INCHES IN |
| Material | NICKEL ALLOY STEM |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Material | GRAPHITE PACKING |
| Material | COPPER ALLOY 958 BODY |
| Raised Face Nominal Diameter | 5.00 INCHES ALL ENDS IN |
| 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 |
|---|---|
| 78-030N-M917R20 PRIMARY | Flowline Valve and Controls, L.l.c. (USA) |
| Reference | Meaning |
|---|---|
| FL 78N-0150-1ABM REV C | D/9 Drawing number reference only Flowline Valve and Controls, L.l.c. |
NSN 4820-01-671-4236 is a Valve,butterfly, manufactured by Flowline Valve and Controls, L.l.c., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-671-4236 has 1 manufacturer part number on file: 78-030N-M917R20 (Flowline Valve and Controls, L.l.c.).
Key specifications for 78-030N-M917R20: Style Designator: STRAIGHT THRU; Material Document and Classification: ASTM B148 C95800 ASSN STD SINGLE MATERIAL RESPONSE BODY; Material Document and Classification: ASTM A494 -35-1 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE; Material Document and Classification: ASTM B865 N05500 ASSN STD SINGLE MATERIAL RESPONSE STEM. 14 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.