The Disk,valve, cataloged under National Stock Number 4820-01-536-1480, 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 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-536-1480 |
| Primary Part Number | T023531 FC |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Nibco Inc Chemtrol Div |
| Status | ACTIVE |
| Specification/standard Data | 81346 - ASTM B 62 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| T023531 FC PRIMARY | Nibco Inc Chemtrol Div (USA) |
| S-134 PT 11 1.50IN | Nibco Inc Chemtrol Div (USA) |
| Reference | Meaning |
|---|---|
| T023531 FC | 3/9 Design control — primary reference Nibco Inc |
| S-134 PT 11 1.50IN | 5/9 Secondary reference Nibco Inc |
NSN 4820-01-536-1480 is a Disk,valve, manufactured by Nibco Inc Chemtrol Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-536-1480 has 2 manufacturer part numbers on file: T023531 FC (Nibco Inc Chemtrol Div), S-134 PT 11 1.50IN (Nibco Inc Chemtrol Div).
Key specifications for T023531 FC: Specification/standard Data: 81346 - ASTM B 62 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION; Special Features: SOLID STYLE WEDGE FOR 1.50 INCH GATE VALVE IN; Part Name Assigned by Controlling Agency: WEDGE; End Item Identification: 4820-01-399-0049; VALVE, GATE 1.50IN IN. 2 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.