The Sleeve,clinch,tube Fitting, cataloged under National Stock Number 4730-00-202-7889, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-202-7889 |
| Item Name | Sleeve,clinch,tube Fitting |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Seat Angle in Deg | 12.0 |
| Style Designator | FLARELESS |
| Sleeve Outside Diameter | 0.252 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN |
| Casehardening Indicator | CASEHARDENED |
| Surface Treatment | CADMIUM |
| Flange Width | 0.078 INCHES MINIMUM AND 0.084 INCHES MAXIMUM IN |
| Material | STEEL |
| Flange Outside Diameter | 0.313 INCHES NOMINAL IN |
| Metallic Hardness Rating | 10.0 MINIMUM ROCKWELL C AND 31.0 MAXIMUM ROCKWELL C |
| Hose/tube Outside Diameter for Which Designed | 0.188 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MS21918-3 | 2/2 Government specification standardization U.S. Government activity |
| MILF5509 | 4/1 Identification reference U.S. Government activity |
| ER819-3 | 5/9 Secondary reference Dana Corp Weatherhead Div |
| ER819-3 | 5/1 Secondary reference Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
NSN 4730-00-202-7889 is a Sleeve,clinch,tube Fitting, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-202-7889: Seat Angle in Deg: 12.0; Style Designator: FLARELESS; Overall Length: 0.275 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN; Sleeve Outside Diameter: 0.252 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN. 10 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.