The Nipple,tube, cataloged under National Stock Number 4730-00-419-0475, 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 18 specifications, cited from the U.S. Government catalog. 14 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-419-0475 |
| Item Name | Nipple,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Furnished Items and Quantity | 2 SHORT COUPLING NUT WITH SLEEVE |
| Surface Treatment Document and Classification | QQ-P-35,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | FLARELESS (TUBE) ALL ENDSFLARELESS (TUBE) ALL ENDS |
| Nominal Overall Length | 1.891 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDSTHREADED EXTERNAL TUBE ALL ENDS |
| Style Designator | FLARELESS W/ CENTER WRENCHING FACILITY |
| Nominal Outside Diameter Tube Accommodated | 1.250 INCHES ALL ENDS IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 1.625 INCHES ALL ENDS1.625 INCHES ALL ENDS IN |
| Seat Angle | 12.0 DEGREES ALL ENDS |
| Specification/standard Data | 96906-MS51814 GOVERNMENT STANDARD |
| Maximum Operating Temp | 121.0 CELSIUS SINGLE RESPONSE121.0 CELSIUS SINGLE RESPONSE DEGC |
| Nondefinitive Spec/std Data | 2 CLASS AND 2 TYPE AND 1 STYLE |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A ALL ENDS2A ALL ENDS A |
| Thread Quantity Per Inch | 12 ALL ENDS12 ALL ENDS |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UN ALL ENDS |
| 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 |
|---|---|
| MS51814-11SS | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| J514 | 5/9 Secondary reference U.S. Government activity |
| 20 080101SA | 5/1 Secondary reference Sae International Dba Sae International |
| MIL-DTL-18866 | 4/1 Identification reference U.S. Government activity |
| 20HBUSS | 5/9 Secondary reference U.S. Government activity |
| MS51814-11SS | 5/9 Secondary reference U.S. Government activity |
| 20HBUSS | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters |
| MS51814-11SS | 2/2 Government specification standardization U.S. Government activity |
| 20 080101SA | 5/9 Secondary reference U.S. Government activity |
| MILF18866 | 5/9 Secondary reference U.S. Government activity |
| 20HBUSS | 5/1 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| MS51814-11SS | 5/9 Secondary reference U.S. Government activity |
| MS51814-11SS | 5/9 Secondary reference Dana Corp Weatherhead Div |
| J514 | 5/1 Secondary reference Sae International Dba Sae International |
NSN 4730-00-419-0475 is a Nipple,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-419-0475: Furnished Items and Quantity: 2 SHORT COUPLING NUT WITH SLEEVE; Surface Treatment Document and Classification: QQ-P-35,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: FLARELESS (TUBE) ALL ENDSFLARELESS (TUBE) ALL ENDS; Nominal Overall Length: 1.891 INCHES IN. 18 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.