The Valve,butterfly, cataloged under National Stock Number 4820-01-652-3864, 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 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-652-3864 |
| Primary Part Number | 77-080N-6512R3O |
| Item Name | Valve,butterfly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Flowline Valve and Controls, L.l.c. |
| Status | ACTIVE |
| Bolt Circle Nominal Diameter | 11.75 INCHES ALL ENDS IN |
| Style Designator | STRAIGHT THRU |
| Material Document and Classification | ASTM A351 CF3M ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | ASTM A351 CF8M ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Valve Size | 8.00 INCHES IN |
| Specification/standard Data | 81349/MIL-V-24624 GOVERNMENT SPECIFICATION |
| Mounting Facility | LUG(S) |
| Bolt Hole Quantity | 8 ALL ENDS |
| Face to Face Distance | 2.52 INCHES IN |
| Material | STEEL COMP 316 FLOW CONTROL DEVICE |
| Material | STEEL STAINLESS - USE STB000 STEM |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE AND STEEL COMP 316 SEAT |
| Material | STEEL COMP 316L BODY |
| Material | GRAPHITE PACKING |
| Raised Face Nominal Diameter | 10.63 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 |
|---|---|
| 77-080N-6512R3O PRIMARY | Flowline Valve and Controls, L.l.c. (USA) |
| Reference | Meaning |
|---|---|
| FL 77N-0150-2SS-R1 REV D | D/9 Drawing number reference only Flowline Valve and Controls, L.l.c. |
NSN 4820-01-652-3864 is a Valve,butterfly, manufactured by Flowline Valve and Controls, L.l.c., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-652-3864 has 1 manufacturer part number on file: 77-080N-6512R3O (Flowline Valve and Controls, L.l.c.).
Key specifications for 77-080N-6512R3O: Bolt Circle Nominal Diameter: 11.75 INCHES ALL ENDS IN; Style Designator: STRAIGHT THRU; Material Document and Classification: ASTM A351 CF3M ASSN STD SINGLE MATERIAL RESPONSE BODY; Material Document and Classification: ASTM A351 CF8M ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE. 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.