The Valve,vent, cataloged under National Stock Number 4820-01-281-5864, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Robert H Wager Co Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-281-5864 |
| Primary Part Number | 1.5-1700TSGP |
| Item Name | Valve,vent |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Robert H Wager Co Inc |
| Status | ACTIVE |
| Flange Shape | ROUND SECOND END |
| Furnished Items and Quantity | 1 FLOAT |
| Nominal Pipe Size Accommodated | 1.500 INCHES FIRST END IN |
| Flange Face Design | PLAIN SECOND END |
| Connection Style | BEVELED (PIPE) FIRST END |
| Connection Type | FLANGE SECOND END |
| Connection Type | BUTT WELD PIPE FIRST END |
| Style Designator | STRAIGHT THRU |
| Nominal Outside Diameter | 1.500 INCHES SECOND END IN |
| Material | STEEL OVERALL |
| Nominal Thickness | 0.062 INCHES SECOND END 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 |
|---|---|
| 521101S.300 | W. & O. Supply, Inc. Div W&o Norfolk (USA) |
| 1.5-1700TSGP PRIMARY | Robert H Wager Co Inc (USA) |
| Reference | Meaning |
|---|---|
| VC-200 1.50IN | 3/9 Design control — primary reference Haywardindl. Products, Inc. |
NSN 4820-01-281-5864 is a Valve,vent, manufactured by Robert H Wager Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-281-5864 has 2 manufacturer part numbers on file: 521101S.300 (W. & O. Supply, Inc. Div W&o Norfolk), 1.5-1700TSGP (Robert H Wager Co Inc).
Key specifications for 1.5-1700TSGP: Flange Shape: ROUND SECOND END; Furnished Items and Quantity: 1 FLOAT; Nominal Pipe Size Accommodated: 1.500 INCHES FIRST END IN; Flange Face Design: PLAIN SECOND END. 11 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.