The Disk,valve, cataloged under National Stock Number 4820-01-652-4868, 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 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-652-4868 |
| Primary Part Number | 76N-5M025 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Flowline Valve and Controls, L.l.c. |
| Status | ACTIVE |
| Outside Diameter | 5.500 INCHES NOMINAL IN |
| Style Designator | BUTTERFLY |
| Material Thickness | 1.880 INCHES NOMINAL IN |
| Bolt Circle Diameter | 2.910 INCHES NOMINAL IN |
| Media for Which Designed | FLUIDS OR STEAM |
| Material | STEEL COMP 304 OR STEEL COMP 316 |
| 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 |
|---|---|
| 76N-5M025 PRIMARY | Flowline Valve and Controls, L.l.c. (USA) |
| Reference | Meaning |
|---|---|
| LINE 2:REV D NO.5 P/N 76N-5M025 | D/9 Drawing number reference only Flowline Valve and Controls, L.l.c. |
| LINE 1:FL 76N-0150-1AB-R1 | D/9 Drawing number reference only Flowline Valve and Controls, L.l.c. |
NSN 4820-01-652-4868 is a Disk,valve, manufactured by Flowline Valve and Controls, L.l.c., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-652-4868 has 1 manufacturer part number on file: 76N-5M025 (Flowline Valve and Controls, L.l.c.).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-652-6383, 4820-01-652-6408. Verify interchangeability with system specifications before substitution.
Key specifications for 76N-5M025: Outside Diameter: 5.500 INCHES NOMINAL IN; Style Designator: BUTTERFLY; Material Thickness: 1.880 INCHES NOMINAL IN; Bolt Circle Diameter: 2.910 INCHES NOMINAL IN. 6 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.