The Retainer,packing, cataloged under National Stock Number 5330-01-442-1780, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-442-1780 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Peripheral Diameter | 0.875 INCHES NOMINAL IN |
| Surface Treatment | ZINC OVERALL |
| Center Hole Diameter | 0.454 INCHES MINIMUM AND 0.465 INCHES MAXIMUM IN |
| Material | CARBON AND STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 803-2177525-C1XX-62 | 3/2 Design control — primary reference U.S. Government activity |
| 803-2177525-C2XX-62 | 5/2 Secondary reference U.S. Government activity |
NSN 5330-01-442-1780 is a Retainer,packing, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-01-442-1780: Peripheral Diameter: 0.875 INCHES NOMINAL IN; Surface Treatment: ZINC OVERALL; Center Hole Diameter: 0.454 INCHES MINIMUM AND 0.465 INCHES MAXIMUM IN; Material: CARBON AND STEEL OVERALL. 4 specifications are documented in the U.S. Government catalog.
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.