The Retainer,packing, cataloged under National Stock Number 5330-01-159-1151, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-159-1151 |
| Primary Part Number | 501-4457337-20 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Attachment Hole Diameter | 0.406 INCHES NOMINAL IN |
| Attachment Feature Quantity | 8 |
| Flanged Body Outside Diameter | 17.494 INCHES MINIMUM AND 17.498 INCHES MAXIMUM IN |
| Peripheral Diameter | 18.750 INCHES NOMINAL IN |
| Center Hole Diameter | 16.500 INCHES MINIMUM AND 16.505 INCHES MAXIMUM 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 |
| Part Number | Manufacturer |
|---|---|
| 501-4457337-20 PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
NSN 5330-01-159-1151 is a Retainer,packing, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-159-1151 has 1 manufacturer part number on file: 501-4457337-20 (Huntington Ingalls Inc Div Newport News Shipbuilding).
Key specifications for 501-4457337-20: Attachment Hole Diameter: 0.406 INCHES NOMINAL IN; Attachment Feature Quantity: 8; Flanged Body Outside Diameter: 17.494 INCHES MINIMUM AND 17.498 INCHES MAXIMUM IN; Peripheral Diameter: 18.750 INCHES NOMINAL IN. 6 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.