The Disk,valve, cataloged under National Stock Number 4820-00-102-0048, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ontic Engineering & Manufacturing Uk Limited Div Ontic Engineering and Manufacturing Uk Limited. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Disk,valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Ontic Engineering & Manufacturing Uk Limited Div Ontic Engineering and Manufacturing Uk Limited (CAGE U0J60); Transaero, Inc. (CAGE 27541) |
| Parameter | Value |
|---|---|
| NSN | 4820-00-102-0048 |
| Primary Part Number | N199862 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Ontic Engineering & Manufacturing Uk Limited Div Ontic Engineering and Manufacturing Uk Limited |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| N199862 | Ontic Engineering & Manufacturing Uk Limited Div Ontic Engineering and Manufacturing Uk Limited (GBR) |
| N199862 | Transaero, Inc. (USA) |
| Reference | Meaning |
|---|---|
| N199862 | 5/9 Secondary reference Safran Electrical & Power Uk Limited |
| N199862 | 3/9 Design control — primary reference Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
NSN 4820-00-102-0048 is a Disk,valve, manufactured by Ontic Engineering & Manufacturing Uk Limited Div Ontic Engineering and Manufacturing Uk Limited, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-102-0048 has 2 manufacturer part numbers on file: N199862 (Ontic Engineering & Manufacturing Uk Limited Div Ontic Engineering and Manufacturing Uk Limited), N199862 (Transaero, 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.