The Retainer,disk,valve, cataloged under National Stock Number 4820-00-102-0057, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Safran Electrical & Power Uk Limited. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Retainer,disk,valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Transaero, Inc. (CAGE 27541); Safran Electrical & Power Uk Limited (CAGE K4358); Ontic Engineering & Manufacturing, Inc Dba Ontic Us (CAGE 45934); Ontic Engineering & Manufacturing Uk Limited Div Ontic Engineering and Manufacturing Uk Limited (CAGE U0J60) |
| Parameter | Value |
|---|---|
| NSN | 4820-00-102-0057 |
| Primary Part Number | N199858 |
| Item Name | Retainer,disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Safran Electrical & Power Uk Limited |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| N199858 | Transaero, Inc. (USA) |
| N199858 PRIMARY | Safran Electrical & Power Uk Limited (GBR) |
| N199858 | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| N199858 | Ontic Engineering & Manufacturing Uk Limited Div Ontic Engineering and Manufacturing Uk Limited (GBR) |
NSN 4820-00-102-0057 is a Retainer,disk,valve, manufactured by Safran Electrical & Power Uk Limited, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-102-0057 has 4 manufacturer part numbers on file: N199858 (Transaero, Inc.), N199858 (Safran Electrical & Power Uk Limited), N199858 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us), N199858 (Ontic Engineering & Manufacturing Uk Limited Div Ontic Engineering and Manufacturing Uk Limited).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 4820-00-102-0057 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.