The Disk,valve, cataloged under National Stock Number 4820-01-534-8961, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Nibco Inc Chemtrol Div. Government technical data includes 4 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-534-8961 |
| Primary Part Number | S-235-Y 2.0IN ITEM 12 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Nibco Inc Chemtrol Div |
| Status | ACTIVE |
| Pressure Rating | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Temp Rating | 366.0 FAHRENHEIT MAXIMUM AND 406.0 FAHRENHEIT MAXIMUM DEGF |
| Media for Which Designed | STEAM OR WATER OR OIL OR GAS |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE |
| 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 |
|---|---|
| S-235-Y 2.0IN ITEM 12 | Nibco Inc Chemtrol Div (USA) |
| T060676 | Nibco Inc Chemtrol Div (USA) |
| Reference | Meaning |
|---|---|
| T060676 | 3/9 Design control — primary reference Nibco Inc |
| S-235-Y 2.0IN ITEM 12 | 5/9 Secondary reference Nibco Inc |
| T060676 | 5/9 Secondary reference Nibco Inc |
| Y-235-Y PC 12 2.00 INCH | 5/9 Secondary reference Nibco Inc |
NSN 4820-01-534-8961 is a Disk,valve, manufactured by Nibco Inc Chemtrol Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-534-8961 has 2 manufacturer part numbers on file: S-235-Y 2.0IN ITEM 12 (Nibco Inc Chemtrol Div), T060676 (Nibco Inc Chemtrol Div).
Key specifications for S-235-Y 2.0IN ITEM 12: Pressure Rating: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Temp Rating: 366.0 FAHRENHEIT MAXIMUM AND 406.0 FAHRENHEIT MAXIMUM DEGF; Media for Which Designed: STEAM OR WATER OR OIL OR GAS; Part Name Assigned by Controlling Agency: DISC. 4 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.