The Packing with Retainer, cataloged under National Stock Number 5330-00-974-6679, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-974-6679 |
| Primary Part Number | 566264 |
| Item Name | Packing with Retainer |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Retainer Inside Diameter | 0.274 INCHES NOMINAL IN |
| Packing Inside Diameter | 0.176 INCHES NOMINAL IN |
| Outside Diameter | 0.438 INCHES NOMINAL IN |
| Packing Ring Cross-Sectional Diameter | 0.050 INCHES NOMINAL IN |
| Retainer Thickness | 0.040 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE RETAINER |
| Material | RUBBER SYNTHETIC PACKING |
| Material | STEEL CORROSION RESISTING RETAINER |
| Construction | TWO-PIECE |
| 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 |
|---|---|
| 566264 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 566264 | 5/9 Secondary reference Zurn Industries Inc Products Group |
| 566264 | 5/9 Secondary reference Steffan Mfg Corp |
NSN 5330-00-974-6679 is a Packing with Retainer, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-974-6679 has 1 manufacturer part number on file: 566264 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 566264: Retainer Inside Diameter: 0.274 INCHES NOMINAL IN; Packing Inside Diameter: 0.176 INCHES NOMINAL IN; Outside Diameter: 0.438 INCHES NOMINAL IN; Packing Ring Cross-Sectional Diameter: 0.050 INCHES NOMINAL IN. 9 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.