The Transfer Tube Assembly,pressure, cataloged under National Stock Number 4820-01-129-5620, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-129-5620 |
| Item Name | Transfer Tube Assembly,pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY 7075-T73 QQ-A-229/9 OR QQ-A-200/11;CONSISTS OF ONE RESTRICTOR CHECK VALVE P/N 287808-1;ONE TUBE P/N 287863-3;O/A LG 1.085 IN. NOMINAL;ONE END 0.482 TO 0.483 IN. DIA;OTHER END 0.330 IN. DIA IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 287863 | D/9 Drawing number reference only U.S. Government activity |
| 287863-1 | 3/2 Design control — primary reference U.S. Government activity |
| 287863-1 | 5/1 Secondary reference Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations |
NSN 4820-01-129-5620 is a Transfer Tube Assembly,pressure, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-129-5620: General Characteristics Item Description: ALUMINUM ALLOY 7075-T73 QQ-A-229/9 OR QQ-A-200/11;CONSISTS OF ONE RESTRICTOR CHECK VALVE P/N 287808-1;ONE TUBE P/N 287863-3;O/A LG 1.085 IN. NOMINAL;ONE END 0.482 TO 0.483 IN. DIA;OTHER END 0.330 IN. DIA 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 4820-01-129-5620 has DEMIL Code B. 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.