The Disk,valve, cataloged under National Stock Number 4820-01-313-4748, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-313-4748 |
| Primary Part Number | N-NB252251-0800-7 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| Material Document and Classification | ASTM B61 NATIONAL SPEC SINGLE MATERIAL RESPONSE |
| Material | COPPER ALLOY 922 |
| 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 |
|---|---|
| N-NB252251 8IN PART 7 | Hunt Valve Company, Inc. (USA) |
| N-NB252251-0800-7 PRIMARY | Hunt Valve Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| N-NB252251 8IN PART 7 | 5/9 Secondary reference Pima Valve, Llc |
| N-NB252251-0800-7 | 3/9 Design control — primary reference Pima Valve, Llc |
NSN 4820-01-313-4748 is a Disk,valve, manufactured by Hunt Valve Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-313-4748 has 2 manufacturer part numbers on file: N-NB252251 8IN PART 7 (Hunt Valve Company, Inc.), N-NB252251-0800-7 (Hunt Valve Company, Inc.).
Key specifications for N-NB252251-0800-7: Material Document and Classification: ASTM B61 NATIONAL SPEC SINGLE MATERIAL RESPONSE; Material: COPPER ALLOY 922. 2 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.