The Disk,valve, cataloged under National Stock Number 4820-01-191-4484, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-191-4484 |
| Primary Part Number | 101207-3 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
| Status | ACTIVE |
| Shank Diameter | 0.750 INCHES NOMINAL IN |
| Flange Seat to Disk End Height | 2.125 INCHES NOMINAL IN |
| Pressure Rating | 400.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Outside Diameter | 3.000 INCHES NOMINAL IN |
| Material Document and Classification | ASTM B61 NATIONAL SPEC SINGLE MATERIAL RESPONSE |
| Inside Diameter | 0.429 INCHES NOMINAL IN |
| Under Flange Height | 1.750 INCHES NOMINAL IN |
| 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 |
|---|---|
| 101207-3 PRIMARY | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 101207 | D/9 Drawing number reference only U.S. Government activity |
| 101207-3 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-191-4484 is a Disk,valve, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-191-4484 has 1 manufacturer part number on file: 101207-3 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-191-8299, 5961-01-330-7886. Verify interchangeability with system specifications before substitution.
Key specifications for 101207-3: Shank Diameter: 0.750 INCHES NOMINAL IN; Flange Seat to Disk End Height: 2.125 INCHES NOMINAL IN; Overall Height: 4.625 INCHES NOMINAL IN; Pressure Rating: 400.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS. 8 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.