The Valve,vent, cataloged under National Stock Number 4820-01-300-0568, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Mission Systems Davenport Inc.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-300-0568 |
| Primary Part Number | 50702 |
| Item Name | Valve,vent |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Mission Systems Davenport Inc. |
| Status | ACTIVE |
| Supplementary Features | APPL TO 16S920 TANKPRTSASSY |
| 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 |
|---|---|
| 50702 | Mission Systems Davenport Inc. (USA) |
| Reference | Meaning |
|---|---|
| 88-5629 | 3/2 Design control — primary reference U.S. Government activity |
| 288-5548 | 5/9 Secondary reference U.S. Government activity |
| 18-8300-1 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-300-0568 is a Valve,vent, manufactured by Mission Systems Davenport Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-300-0568 has 1 manufacturer part number on file: 50702 (Mission Systems Davenport Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5998-01-612-7478, 5310-01-680-2619. Verify interchangeability with system specifications before substitution.
Key specifications for 50702: Supplementary Features: APPL TO 16S920 TANKPRTSASSY; Special Features: 3.830 IN. OD, 1.625 IN. OD, 3.400 IN. MAX LG, 6 THD HOLES 0.214 IN. DIA ON A 2.875 IN. BOLT CIRCLE IN. 1 specification is 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 4820-01-300-0568 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.