The Retainer,seal, cataloged under National Stock Number 5330-01-528-5390, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5330-01-528-5390 |
| Item Name | Retainer,seal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Flange Thickness | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Body Outside Diameter | 2.738 INCHES MINIMUM AND 2.739 INCHES MAXIMUM IN |
| Style Designator | FLANGED |
| Bolt Hole Diameter | 0.270 INCHES NOMINAL IN |
| Material Document and Classification | SAE AMS-QQ-A-255/6 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 3.240 INCHES NOMINAL IN |
| Mounting Flange Diameter | 4.000 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Seal Seat Depth | 0.497 INCHES MINIMUM AND 0.517 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | F |
| Reference | Meaning |
|---|---|
| 901-045-251-101 | 3/2 Design control — primary reference U.S. Government activity |
| 901-045-251 | D/9 Drawing number reference only U.S. Government activity |
NSN 5330-01-528-5390 is a Retainer,seal, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-01-528-5390: Flange Thickness: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN; Body Outside Diameter: 2.738 INCHES MINIMUM AND 2.739 INCHES MAXIMUM IN; Style Designator: FLANGED; Bolt Hole Diameter: 0.270 INCHES NOMINAL IN. 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.