The Hinge,swing Check Valve, cataloged under National Stock Number 4820-01-605-4687, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hunt Valve Company, Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-605-4687 |
| Primary Part Number | 57-001-11-2.50IN |
| Item Name | Hinge,swing Check Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| 57-001-11-2.50IN PRIMARY | Hunt Valve Company, Inc. (USA) |
| 57-001 PT NO 11 2.5IN | Hunt Valve Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 57-001-11-2.50IN | 3/9 Design control — primary reference Pima Valve, Llc |
| 57-001 PT NO 11 2.5IN | 5/9 Secondary reference Pima Valve, Llc |
NSN 4820-01-605-4687 is a Hinge,swing Check Valve, manufactured by Hunt Valve Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-605-4687 has 2 manufacturer part numbers on file: 57-001-11-2.50IN (Hunt Valve Company, Inc.), 57-001 PT NO 11 2.5IN (Hunt Valve Company, Inc.).
Key specifications for 57-001-11-2.50IN: Part Name Assigned by Controlling Agency: HINGE, SWING CHECK VALVE; End Item Identification: VALVE. 0 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.