The Valve Assembly,depreservation, cataloged under National Stock Number 4920-00-326-2633, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-00-326-2633 |
| Item Name | Valve Assembly,depreservation |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Status | ACTIVE |
| General Characteristics Item Description | 3.000 IN. LG O/A; 0.688 IN. BARREL DIA; 0.875 IN. ADAPTER DIA IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 55A75017 | 3/9 Design control — primary reference U.S. Government activity |
| 68C37372-1 | 5/9 Secondary reference Baltimore Machine and Equipment Inc |
| 68C37372-1 | 5/9 Secondary reference U.S. Government activity |
| 55A75017 | 5/9 Secondary reference U.S. Government activity |
| 68C37372-1 | 5/9 Secondary reference John-Lee Engineering |
NSN 4920-00-326-2633 is a Valve Assembly,depreservation, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
Key specifications for 4920-00-326-2633: General Characteristics Item Description: 3.000 IN. LG O/A; 0.688 IN. BARREL DIA; 0.875 IN. ADAPTER DIA IN; End Item Identification: GROUND TEST EQUIPMENT,ACFT. 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.
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.