The Disk,valve, cataloged under National Stock Number 4820-01-688-6927, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Platt Luggage, Inc.. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Disk,valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Platt Luggage, Inc. (CAGE 57281); Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (CAGE 76364) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-688-6927 |
| Primary Part Number | 4377 - D -183 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Platt Luggage, 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 |
|---|---|
| 4377 - D -183 PRIMARY | Platt Luggage, Inc. (USA) |
| 1146-081T 12 REV A ITEM NO 8 | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 1146-081T 12-8 | 3/9 Design control — primary reference Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
| 1146-081T 12/REV A FIND ITEM 8 | C/1 Advisory reference — outside the item-of-supply concept Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
| 1146-081T 12 REV A | D/9 Drawing number reference only Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
NSN 4820-01-688-6927 is a Disk,valve, manufactured by Platt Luggage, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-688-6927 has 2 manufacturer part numbers on file: 4377 - D -183 (Platt Luggage, Inc.), 1146-081T 12 REV A ITEM NO 8 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-688-8491. Verify interchangeability with system specifications before substitution.
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.