The Retainer,packing, cataloged under National Stock Number 5330-01-498-4739, 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13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5330-01-498-4739 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Attachment Hole Diameter | 0.500 INCHES NOMINAL IN |
| Attachment Feature Quantity | 14 |
| Cross-Sectional Height | 1.700 INCHES NOMINAL IN |
| Body Recess Diameter | 17.525 INCHES MINIMUM AND 17.535 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-W-281,CLASS A, FORM 6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SPECIAL |
| Attachment Feature Circle Diameter | 15.940 INCHES NOMINAL SINGLE CIRCLE IN |
| Peripheral Diameter | 18.460 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE OVERALL |
| Center Hole Diameter | 14.420 INCHES NOMINAL IN |
| Material | NICKEL ALLOY OVERALL |
| Body Recess Depth | 0.930 INCHES NOMINAL IN |
| 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 |
|---|---|
| PL-04-20-000 ITEM 243 | 3/9 Design control — primary reference Systems Engineering and Analytics, Inc. |
| 04-04-000 | D/9 Drawing number reference only Systems Engineering and Analytics, Inc. |
NSN 5330-01-498-4739 is a Retainer,packing, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-01-498-4739: Attachment Hole Diameter: 0.500 INCHES NOMINAL IN; Attachment Feature Quantity: 14; Cross-Sectional Height: 1.700 INCHES NOMINAL IN; Body Recess Diameter: 17.525 INCHES MINIMUM AND 17.535 INCHES MAXIMUM 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.