The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 5330-01-727-2643, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Greene Tweed & Co Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Seal Assembly,shaft,spring Loade |
| FSC / FSG | 5330 — Packing and Gasket Materials (FSG 53) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711); Greene Tweed & Co Inc (CAGE 5F573) |
| Parameter | Value |
|---|---|
| NSN | 5330-01-727-2643 |
| Primary Part Number | 125218007720050 |
| Item Name | Seal Assembly,shaft,spring Loade |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Greene Tweed & Co Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 563-8841614-589 | Naval Sea Systems Command (USA) |
| 125218007720050 PRIMARY | Greene Tweed & Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 125-21800-772-0050/ASY | D/9 Drawing number reference only Greene Tweed & Co Inc |
| 563-8841614 | D/9 Drawing number reference only Naval Sea Systems Command |
| R5520405-589 | 5/2 Secondary reference U.S. Government activity |
| LSA001764-589 | 5/2 Secondary reference U.S. Government activity |
NSN 5330-01-727-2643 is a Seal Assembly,shaft,spring Loade, manufactured by Greene Tweed & Co Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-727-2643 has 2 manufacturer part numbers on file: 563-8841614-589 (Naval Sea Systems Command), 125218007720050 (Greene Tweed & Co Inc).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-734-9335. Verify interchangeability with system specifications before substitution.
Possible hazard — SDS may be required (DLA HMIC P). 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.