The Valve,ball, cataloged under National Stock Number 4820-00-445-8534, 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 7 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-445-8534 |
| Primary Part Number | U45TBV 1-1/2IN |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Nibco Inc Chemtrol Div |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 1.500 INCHES ALL ENDS IN |
| Connection Style | SOCKET ALL ENDS |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Maximum Operating Temp | 140.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material | PLASTIC POLYVINYL CHLORIDE (PVC) OVERALL |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| U45TBV 1-1/2IN PRIMARY | Nibco Inc Chemtrol Div (USA) |
| TB1150ST 1-1/2IN PRIMARY | Haywardindl. Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 21599011 | 5/9 Secondary reference Celanese Piping Systems Inc Sub of Celanese Corp |
| D4007PC6-150S | 5/9 Secondary reference Celanese Piping Systems Inc Sub of Celanese Corp |
| 6-150S | 5/9 Secondary reference Celanese Piping Systems Inc Sub of Celanese Corp |
| 21909011 | 5/9 Secondary reference Celanese Piping Systems Inc Sub of Celanese Corp |
| U45TBV | 5/9 Secondary reference Nibco Inc |
| U45TBV 1-1/2IN | 5/9 Secondary reference Nibco Inc |
NSN 4820-00-445-8534 is a Valve,ball, manufactured by Nibco Inc Chemtrol Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-445-8534 has 2 manufacturer part numbers on file: U45TBV 1-1/2IN (Nibco Inc Chemtrol Div), TB1150ST 1-1/2IN (Haywardindl. Products, Inc.).
Key specifications for U45TBV 1-1/2IN: Nominal Pipe Size Accommodated: 1.500 INCHES ALL ENDS IN; Connection Style: SOCKET ALL ENDS; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS; Style Designator: STRAIGHT THRU. 7 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.