The Parts Kit,ball Valve, cataloged under National Stock Number 4820-01-477-4255, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Richards Industries Value Group Marwin Ball Value Div. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-477-4255 |
| Primary Part Number | RPKT-3555FTR-150 |
| Item Name | Parts Kit,ball Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Richards Industries Value Group Marwin Ball Value Div |
| Status | ACTIVE |
| Functional Description | USED TO REPAIR 3555FTR-EBW-150 BALL VALVE |
| 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 |
|---|---|
| RPKT-3555FTR-150 PRIMARY | Richards Industries Value Group Marwin Ball Value Div (USA) |
NSN 4820-01-477-4255 is a Parts Kit,ball Valve, manufactured by Richards Industries Value Group Marwin Ball Value Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-477-4255 has 1 manufacturer part number on file: RPKT-3555FTR-150 (Richards Industries Value Group Marwin Ball Value Div).
Key specifications for RPKT-3555FTR-150: Special Features: KIT INCLUDES: 1 POLYTETRAFLUOROETHYLENE PACKING, 2 RPTE SEATS, 2 BODY SEALS, 2 EMERGENCY GASKETS AND 1 POLYTETRAFLUOROETHYLENE THRUST WASHER; 2300 W.O.G. MAXIMUM W; Functional Description: USED TO REPAIR 3555FTR-EBW-150 BALL VALVE; Part Name Assigned by Controlling Agency: POLYTETRAFLUOROETHYLENE PACKING AND RPTE SEATS REPAIR KIT; End Item Identification: 3555FTR-EBW-150 BALL VALVE ON THE ZENON ENIRONMENTAL WATER PURIFICATION UNIT. 1 specification is 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.