The Retainer,packing, cataloged under National Stock Number 5330-01-218-3248, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5330-01-218-3248 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Attachment Hole Diameter | 0.531 INCHES NOMINAL IN |
| Attachment Feature Quantity | 4 |
| Cross-Sectional Thickness | 0.3685 INCHES NOMINAL IN |
| Cross-Sectional Height | 1.750 INCHES NOMINAL IN |
| Material Document and Classification | QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Rim Surface Width | 0.750 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | FLANGE |
| Attachment Feature Circle Diameter | 4.000 INCHES NOMINAL SINGLE CIRCLE IN |
| Flanged Body Outside Diameter | 2.995 INCHES MINIMUM AND 2.997 INCHES MAXIMUM IN |
| Peripheral Diameter | 5.000 INCHES NOMINAL IN |
| Center Hole Diameter | 2.258 INCHES MINIMUM AND 2.260 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 903 OVERALL |
| Attachment Method | ROUND HOLE |
| 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 |
|---|---|
| 76774-35X2 PIECE 5 | 3/2 Design control — primary reference U.S. Government activity |
| SSB(N)640-501-2146471 PIECE 5 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-01-218-3248 is a Retainer,packing, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-01-218-3248: Attachment Hole Diameter: 0.531 INCHES NOMINAL IN; Attachment Feature Quantity: 4; Cross-Sectional Thickness: 0.3685 INCHES NOMINAL IN; Cross-Sectional Height: 1.750 INCHES NOMINAL IN. 13 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.