The Retainer,seal, cataloged under National Stock Number 5330-00-604-3428, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-604-3428 |
| Primary Part Number | 4B7295 |
| Item Name | Retainer,seal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| FSC Application Data | GOVERNOR,DIESEL ENGINE |
| Flange Thickness | 0.215 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN |
| Body Outside Diameter | 2.623 INCHES MINIMUM AND 2.624 INCHES MAXIMUM IN |
| Seal Seat Diameter | 2.249 INCHES MINIMUM AND 2.251 INCHES MAXIMUM IN |
| Aperture Diameter | 0.1753 INCHES MINIMUM AND 0.1754 INCHES MAXIMUM IN |
| Bolt Hole Quantity | 3 |
| Mounting Flange Diameter | 3.625 INCHES NOMINAL IN |
| Material | IRON CAST OVERALL |
| Seal Seat Depth | 0.719 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 |
|---|---|
| 4B7295 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 5330-00-604-3428 is a Retainer,seal, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-604-3428 has 1 manufacturer part number on file: 4B7295 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 4B7295: Overall Height: 1.594 INCHES NOMINAL IN; FSC Application Data: GOVERNOR,DIESEL ENGINE; Flange Thickness: 0.215 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN; Body Outside Diameter: 2.623 INCHES MINIMUM AND 2.624 INCHES MAXIMUM 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.