The Nipple,tube, cataloged under National Stock Number 4730-00-418-4843, 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18 specifications, cited from the U.S. Government catalog. 16 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-418-4843 |
| Item Name | Nipple,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Furnished Items and Quantity | 2 TUBE COUPLING NUT W/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 | 1.422 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDSTHREADED EXTERNAL TUBE ALL ENDS |
| Style Designator | FLARELESS W/ CENTER WRENCHING FACILITY |
| Material Document and Classification | FED STD 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES ALL ENDS IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.750 INCHES ALL ENDS0.750 INCHES ALL ENDS IN |
| Seat Angle | 12.0 DEGREES ALL ENDS |
| Specification/standard Data | 96906-MS51814 GOVERNMENT STANDARD AND 81349-MIL-F-1886 GOVERNMENT SPECIFICATION AND 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Maximum Operating Temp | 121.0 CELSIUS SINGLE RESPONSE121.0 CELSIUS SINGLE RESPONSE DEGC |
| Nondefinitive Spec/std Data | 19B FIGURE |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A ALL ENDS2A ALL ENDS A |
| Material | STEEL COMP 303 AND STEEL COMP 304 AND STEEL COMP 316 OVERALL |
| Thread Series Designator | UNF 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 |
|---|---|
| 4730PL0848027 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 8-8 080101SA | 5/1 Secondary reference Sae International Dba Sae International |
| MS51814-6SS | 5/9 Secondary reference Dana Corp Weatherhead Div |
| 8-8 080101SA | 5/9 Secondary reference U.S. Government activity |
| MS51814-6SS | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| MS51814-26SS | 5/9 Secondary reference U.S. Government activity |
| MS51814-6SS | 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 |
| MS51814-6SSA | 2/2 Government specification standardization U.S. Government activity |
| MILF18866 | 5/9 Secondary reference U.S. Government activity |
| 8HBU-SS | 5/9 Secondary reference U.S. Government activity |
| MS51814-6SS | 5/9 Secondary reference U.S. Government activity |
| 8HBUSS | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters |
| 8HBU-SS | 5/1 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| MS51814-6SS | 5/9 Secondary reference U.S. Government activity |
NSN 4730-00-418-4843 is a Nipple,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-418-4843: Furnished Items and Quantity: 2 TUBE COUPLING NUT W/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: 1.422 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.