The Valve,breakaway Ven, cataloged under National Stock Number 4820-01-529-6089, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-529-6089 |
| Primary Part Number | 21805-20-1 |
| Item Name | Valve,breakaway Ven |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 21805-20-1 | Robertson Fuel Systems, L.l.c. (USA) |
| 21805-20-1 PRIMARY | Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit (USA) |
| Reference | Meaning |
|---|---|
| 21805-20-1 | 5/9 Secondary reference Symetrics Inc |
NSN 4820-01-529-6089 is a Valve,breakaway Ven, manufactured by Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-529-6089 has 2 manufacturer part numbers on file: 21805-20-1 (Robertson Fuel Systems, L.l.c.), 21805-20-1 (Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit).
Key specifications for 21805-20-1: End Item Identification: MH-60 HELICOPTER SERIES. 0 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.
NSN 4820-01-529-6089 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.