The Sleeve,clinch,tube Fitting, cataloged under National Stock Number 4730-01-519-3966, 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 13 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-519-3966 |
| 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 |
| Criticality Code Justification | ZZZY |
| Style Designator | FLARELESS |
| Sleeve Outside Diameter | 0.312 INCHES NOMINAL IN |
| Specification/standard Data | 96906-MS51825 GOVERNMENT STANDARD AND 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 28 FIGURE |
| Casehardening Indicator | CASEHARDENED |
| Surface Treatment | PASSIVATE |
| Material | STEEL COMP 630 |
| Flange Outside Diameter | 0.367 INCHES NOMINAL IN |
| Metallic Hardness Rating | 41.8 MINIMUM ROCKWELL C |
| Hose/tube Outside Diameter for Which Designed | 0.250 INCHES NOMINAL IN |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Reference | Meaning |
|---|---|
| SAE J514 4-080115AS | 3/9 Design control — primary reference U.S. Government activity |
| 6397304 PT NO 17 | 5/1 Secondary reference Naval Sea Systems Command |
| 803-6397304-XX-17CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 4-080115AS | 5/9 Secondary reference U.S. Government activity |
| 803-6397304-XX-17 | 5/1 Secondary reference Naval Sea Systems Command |
| J514 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-519-3966 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): 4730-01-633-8944, 4730-01-652-9569. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-01-519-3966: Seat Angle in Deg: 40.0; Criticality Code Justification: ZZZY; Style Designator: FLARELESS; Overall Length: 0.363 INCHES NOMINAL IN. 13 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.