The Retainer,packing, cataloged under National Stock Number 5330-01-333-5530, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-333-5530 |
| Primary Part Number | 803-5959303-X-28 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Attachment Hole Diameter | 0.280 INCHES NOMINAL IN |
| Attachment Feature Quantity | 4 |
| Cross-Sectional Height | 0.748 INCHES NOMINAL IN |
| Material Document and Classification | ASTM B443 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Attachment Feature Circle Diameter | 3.281 INCHES NOMINAL SINGLE CIRCLE IN |
| Flanged Body Outside Diameter | 2.495 INCHES MINIMUM AND 2.498 INCHES MAXIMUM IN |
| Peripheral Diameter | 3.810 INCHES NOMINAL IN |
| Center Hole Diameter | 2.005 INCHES MINIMUM AND 2.025 INCHES MAXIMUM IN |
| Material | NICKEL ALLOY 625 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 |
| Part Number | Manufacturer |
|---|---|
| 803-5959303-X-28 PRIMARY | Naval Sea Systems Command (USA) |
| 524-6603688-VHBA-34 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5959303-28 | 5/2 Secondary reference U.S. Government activity |
NSN 5330-01-333-5530 is a Retainer,packing, manufactured by Naval Sea Systems Command, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-333-5530 has 2 manufacturer part numbers on file: 803-5959303-X-28 (Naval Sea Systems Command), 524-6603688-VHBA-34 (Naval Sea Systems Command).
Key specifications for 803-5959303-X-28: Attachment Hole Diameter: 0.280 INCHES NOMINAL IN; Attachment Feature Quantity: 4; Cross-Sectional Height: 0.748 INCHES NOMINAL IN; Material Document and Classification: ASTM B443 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 10 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.