The Valve,vent, cataloged under National Stock Number 4820-01-398-3460, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-398-3460 |
| Primary Part Number | 1600FSG 1.5IN |
| Item Name | Valve,vent |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Robert H Wager Co Inc |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Flange Face Design | PLAIN ALL ENDS |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Nominal Outside Diameter | 5.000 INCHES ALL ENDS IN |
| Surface Treatment | ZINC |
| Material | STEEL BODY |
| 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 |
|---|---|
| 52-40F 1.5IN | Tate Andale, Llc (USA) |
| 1600FSG 1.5IN PRIMARY | Robert H Wager Co Inc (USA) |
| Reference | Meaning |
|---|---|
| TATE 52-40 1.5I | C/1 Advisory reference — outside the item-of-supply concept Robert H Wager Co Inc |
| 1-1/2IN 1600FSG | C/1 Advisory reference — outside the item-of-supply concept Robert H Wager Co Inc |
NSN 4820-01-398-3460 is a Valve,vent, manufactured by Robert H Wager Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-398-3460 has 2 manufacturer part numbers on file: 52-40F 1.5IN (Tate Andale, Llc), 1600FSG 1.5IN (Robert H Wager Co Inc).
Key specifications for 1600FSG 1.5IN: Flange Shape: ROUND WITH HOLES ALL ENDS; Flange Face Design: PLAIN ALL ENDS; Connection Type: FLANGE 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.