The Valve,plug, cataloged under National Stock Number 4820-01-483-9604, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Cunico Corporation. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-483-9604 |
| Primary Part Number | DD-4651 FRP-3 FP-5 |
| Item Name | Valve,plug |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Cunico Corporation |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Furnished Items and Quantity | 1 HANDWHEEL |
| Flange Face Design | PLAIN ALL ENDS |
| Bolt Circle Nominal Diameter | 11.0625 INCHES ALL ENDS IN |
| Connection Type | FLANGE ALL ENDS |
| Material Document and Classification | ASTM B-61 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | ASTM B-61 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Bolt Hole Nominal Diameter | 0.6875 INCHES ALL ENDS IN |
| Flow Style | THREE-WAY THREE PORT 90 DEGREE PLUG TURN |
| Nominal Outside Diameter | 12.375 INCHES ALL ENDS IN |
| Bolt Hole Quantity | 14 ALL ENDS |
| Media for Which Designed | WASTE PRODUCT SINGLE RESPONSE |
| Material | COPPER ALLOY 922 FLOW CONTROL DEVICE |
| Material | COPPER ALLOY 922 BODY |
| Valve Operation Method | MANUAL |
| Nominal Thickness | 0.6250 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 |
|---|---|
| DD-4651 FRP-3 FP-5 PRIMARY | Cunico Corporation (USA) |
| DD-4651 FRP-3 FLOW PLAN 5 | Cunico Corporation (USA) |
| Reference | Meaning |
|---|---|
| CFV18575-012 | D/9 Drawing number reference only Cunico Corporation |
| MIL-V-24509 | 4/1 Identification reference U.S. Government activity |
| DD-1651 | 5/9 Secondary reference Cunico Corporation |
| DD-4651 | D/9 Drawing number reference only Cunico Corporation |
NSN 4820-01-483-9604 is a Valve,plug, manufactured by Cunico Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-483-9604 has 2 manufacturer part numbers on file: DD-4651 FRP-3 FP-5 (Cunico Corporation), DD-4651 FRP-3 FLOW PLAN 5 (Cunico Corporation).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-487-4960. Verify interchangeability with system specifications before substitution.
Key specifications for DD-4651 FRP-3 FP-5: Flange Shape: ROUND WITH HOLES ALL ENDS; Furnished Items and Quantity: 1 HANDWHEEL; Flange Face Design: PLAIN ALL ENDS; Bolt Circle Nominal Diameter: 11.0625 INCHES ALL ENDS IN. 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.