The Seal,plain Encased, cataloged under National Stock Number 5330-01-721-3344, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Skf Usa Inc.. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-721-3344 |
| Primary Part Number | 29273 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Skf Usa Inc. |
| Status | ACTIVE |
| Seal Width | 0.438 INCHES MAXIMUM IN |
| Housing Bore Diameter | 3.937 INCHES MAXIMUM IN |
| Nondefinitive Spec/std Data | 0.125LB WEIGHT LBS |
| Color | GRAY/GREY |
| Accommodated Shaft Diameter | 2.938 INCHES MAXIMUM IN |
| Functional Description | USED BETWEEN ROTATING AND STATIONARY MACHINE COMPONENTS, OR BETWEEN COMPONENTS IN RELATIVE MOTION. |
| Construction | ONE-PIECE |
| 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 |
|---|---|
| 29273 PRIMARY | Skf Usa Inc. (USA) |
NSN 5330-01-721-3344 is a Seal,plain Encased, manufactured by Skf Usa Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-721-3344 has 1 manufacturer part number on file: 29273 (Skf Usa Inc.).
Key specifications for 29273: Seal Width: 0.438 INCHES MAXIMUM IN; Housing Bore Diameter: 3.937 INCHES MAXIMUM IN; Nondefinitive Spec/std Data: 0.125LB WEIGHT LBS; Color: GRAY/GREY. 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.