The Disk,valve, cataloged under National Stock Number 4820-01-491-4886, 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 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-491-4886 |
| Primary Part Number | NB2522E-0150 PART 7 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| Pressure Rating | 250.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| 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 |
|---|---|
| NB2522E-0150 PART 7 PRIMARY | Hunt Valve Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| NB2522E-0150 PART 7 | 3/9 Design control — primary reference Pima Valve, Llc |
| NB2522E-0000 | D/9 Drawing number reference only Pima Valve, Llc |
NSN 4820-01-491-4886 is a Disk,valve, manufactured by Hunt Valve Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-491-4886 has 1 manufacturer part number on file: NB2522E-0150 PART 7 (Hunt Valve Company, Inc.).
Key specifications for NB2522E-0150 PART 7: Pressure Rating: 250.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Material Document and Classification: ASTM B61 NATIONAL SPEC SINGLE MATERIAL RESPONSE; Special Features: NEXT HIGHER ASSEMBLY 4820-01-491-4811, P/N NB2522E-0150, VALVE, GLOBE; Material: COPPER ALLOY 922. 3 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.