The Valve,check, cataloged under National Stock Number 4820-01-157-9510, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Superior Valve Co. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-157-9510 |
| Primary Part Number | P802A1-6S |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Superior Valve Co |
| Status | ACTIVE |
| FSC Application Data | USE ON AIR-CONDITIONER,NSN 4120-00-168-1781 |
| Mounting Position | HORIZONTAL |
| Supplementary Features | FLOW CONTROL DEVICE: PLUG |
| Style Designator | STRAIGHT THRU Y-PATTERN FLANGED ENDS |
| Valve Size | 0.380 INCHES IN |
| Face to Face Distance | 3.000 INCHES IN |
| Material | COPPER ALLOY BODY |
| 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 |
|---|---|
| P802A1-6S PRIMARY | Superior Valve Co (USA) |
| Reference | Meaning |
|---|---|
| 13215E9883 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 4820-01-157-9510 is a Valve,check, manufactured by Superior Valve Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-157-9510 has 1 manufacturer part number on file: P802A1-6S (Superior Valve Co).
Key specifications for P802A1-6S: FSC Application Data: USE ON AIR-CONDITIONER,NSN 4120-00-168-1781; Mounting Position: HORIZONTAL; Supplementary Features: FLOW CONTROL DEVICE: PLUG; Style Designator: STRAIGHT THRU Y-PATTERN FLANGED ENDS. 8 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.