The Sleeve,clinch,tube Fitting, cataloged under National Stock Number 4730-00-239-2503, 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 9 specifications, cited from the U.S. Government catalog. 18 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-239-2503 |
| Item Name | Sleeve,clinch,tube Fitting |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Seat Angle in Deg | 40.0 |
| Style Designator | FLARELESS |
| Sleeve Outside Diameter | 0.178 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN |
| Specification/standard Data | 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 81349-MIL-F-18866 GOVERNMENT SPECIFICATION AND 96906-MS51825 GOVERNMENT STANDARD |
| Nondefinitive Spec/std Data | 28 FIGURE |
| Casehardening Indicator | CASEHARDENED |
| Material | STEEL |
| Flange Outside Diameter | 0.237 INCHES MINIMUM AND 0.242 INCHES MAXIMUM IN |
| Hose/tube Outside Diameter for Which Designed | 0.125 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 |
|---|---|
| 4730002392503 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| MS51825-1 | 5/9 Secondary reference Dana Corp Weatherhead Div |
| 2TUS | 5/1 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| 2-080115AC | 5/9 Secondary reference U.S. Government activity |
| MS51825-1A | 2/2 Government specification standardization U.S. Government activity |
| MS51825-1 | 5/1 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| MS51825-1 | 5/9 Secondary reference U.S. Government activity |
| MS51825-1 | 5/1 Secondary reference Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| 2TUS | 5/9 Secondary reference U.S. Government activity |
| J514 | 5/9 Secondary reference U.S. Government activity |
| MIL-DTL-18866 | 4/1 Identification reference U.S. Government activity |
| 2-080115AC | 5/1 Secondary reference Sae International Dba Sae International |
| MS51825 | 5/9 Secondary reference U.S. Government activity |
| 4730002392503 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| MS51825-1 | 5/9 Secondary reference U.S. Government activity |
| J514 | 5/1 Secondary reference Sae International Dba Sae International |
| 5P6314 | C/1 Advisory reference — outside the item-of-supply concept Caterpillar Inc Div Caterpillar Defense |
| MS51825-1 | 5/1 Secondary reference U.S. Government activity |
NSN 4730-00-239-2503 is a Sleeve,clinch,tube Fitting, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 4730-00-800-2592, 4730-00-834-0664. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-00-239-2503: Seat Angle in Deg: 40.0; Style Designator: FLARELESS; Overall Length: 0.318 INCHES MINIMUM AND 0.321 INCHES MAXIMUM IN; Sleeve Outside Diameter: 0.178 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN. 9 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.