The Retainer,packing, cataloged under National Stock Number 5330-01-254-2745, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Div Pratt & Whitney. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-254-2745 |
| Primary Part Number | 739788 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| Cross-Sectional Height | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN |
| Body Recess Diameter | 0.865 INCHES MINIMUM AND 0.866 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | FLANGE |
| Flanged Body Outside Diameter | 0.833 INCHES MINIMUM AND 0.837 INCHES MAXIMUM IN |
| Peripheral Diameter | 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Material | CARBON GRAPHITE OVERALL |
| Body Recess Depth | 0.255 INCHES NOMINAL IN |
| 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 |
|---|---|
| 739788 PRIMARY | Rtx Corporation Div Pratt & Whitney (USA) |
| Reference | Meaning |
|---|---|
| 739788 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-01-254-2745 is a Retainer,packing, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-254-2745 has 1 manufacturer part number on file: 739788 (Rtx Corporation Div Pratt & Whitney).
Key specifications for 739788: Cross-Sectional Height: 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN; Body Recess Diameter: 0.865 INCHES MINIMUM AND 0.866 INCHES MAXIMUM IN; Cross-Sectional Shape Style: FLANGE; Flanged Body Outside Diameter: 0.833 INCHES MINIMUM AND 0.837 INCHES MAXIMUM IN. 8 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.