The Control,valve Opene, cataloged under National Stock Number 4820-01-221-7648, 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 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-221-7648 |
| Primary Part Number | HH325 01-435-0314-5 |
| Item Name | Control,valve Opene |
| 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 |
|---|---|
| HH325 01-435-0314-5 PRIMARY | Hunt Valve Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HH325 01-435-0314-5 | 3/9 Design control — primary reference Pima Valve, Llc |
| 01-435-0314-5 | 5/9 Secondary reference Pima Valve, Llc |
NSN 4820-01-221-7648 is a Control,valve Opene, manufactured by Hunt Valve Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-221-7648 has 1 manufacturer part number on file: HH325 01-435-0314-5 (Hunt Valve Company, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 4810-01-279-4648, 3010-01-497-6387, 3020-01-497-7422. Verify interchangeability with system specifications before substitution.
Key specifications for HH325 01-435-0314-5: End Item Identification: NON POWERED VALVES. 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.