The Valve,check, cataloged under National Stock Number 4820-01-517-5337, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Pierce Manufacturing Inc. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-517-5337 |
| Primary Part Number | 51-0030 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Pierce Manufacturing Inc |
| Status | ACTIVE |
| Material | COPPER ALLOY 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 |
|---|---|
| 51-0030 PRIMARY | Pierce Manufacturing Inc (USA) |
NSN 4820-01-517-5337 is a Valve,check, manufactured by Pierce Manufacturing Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-517-5337 has 1 manufacturer part number on file: 51-0030 (Pierce Manufacturing Inc).
Key specifications for 51-0030: End Item Identification: TRUCK, FIREFIGHTING 4210-01-486-1035; Material: COPPER ALLOY BODY. 1 specification is 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.