The Disk,valve, cataloged under National Stock Number 4820-01-575-7730, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Rubber Specialties Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Disk,valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Rubber Specialties Inc (CAGE 30253) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-575-7730 |
| Primary Part Number | 5021-034-6 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Rubber Specialties 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 |
|---|---|
| 5021-034-6 PRIMARY | Rubber Specialties Inc (USA) |
| Reference | Meaning |
|---|---|
| 5021-034 | D/9 Drawing number reference only Rubber Specialties Inc |
| 5021-034 PT.NO.6 | 5/9 Secondary reference Pima Valve, Llc |
| 5021-034 PT.NO.6 | C/1 Advisory reference — outside the item-of-supply concept Hunt Valve Company, Inc. |
NSN 4820-01-575-7730 is a Disk,valve, manufactured by Rubber Specialties Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-575-7730 has 1 manufacturer part number on file: 5021-034-6 (Rubber Specialties Inc).
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.