The Grease Seal Unit, cataloged under National Stock Number 4320-01-021-7520, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Grease Seal Unit |
| FSC / FSG | 4320 — Power and Hand Pumps (FSG 43) |
| Parameter | Value |
|---|---|
| NSN | 4320-01-021-7520 |
| Item Name | Grease Seal Unit |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Reference | Meaning |
|---|---|
| ZF154 | 5/9 Secondary reference Air-Draulics Co |
| P15087 | 5/9 Secondary reference Yeomans Chicago Corp |
| P00015087-000 | 3/9 Design control — primary reference Yeomans Chicago Corp |
| P15087 | 5/9 Secondary reference Clow Corp Pump Div |
NSN 4320-01-021-7520 is a Grease Seal Unit, classified under FSC 4320, Power and Hand Pumps. Status: active.
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.