The Cross,tube, cataloged under National Stock Number 4730-00-055-0104, 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 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-055-0104 |
| Item Name | Cross,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Connection Style | HIGH PRESSURE FLARE (USED W/ MALE THREADED STYLE NO. 78)(TUBE) FIRST END |
| Criticality Code Justification | ZZZY |
| Material Document and Classification | 66 AISI 316 FED STD SINGLE MATERIAL RESPONSE OR SAE30316 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | 66 AISI 414 FED STD SINGLE MATERIAL RESPONSE OR SAE51414 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Material Document and Classification | 66 AISI 414 FED STD SINGLE MATERIAL RESPONSE OR SAE51414 ASSN STD SINGLE MATERIAL RESPONSE SLEEVE |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Leg Length | 1.000 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 0.562 INCHES FIRST END IN |
| Seat Angle | 60.0 DEGREES FIRST END |
| Thread Class | 3A FIRST END A |
| Material | STEEL CORROSION RESISTING SLEEVE |
| Material | STEEL CORROSION RESISTING NUT |
| Material | STEEL CORROSION RESISTING BODY |
| Thread Series Designator | UNF FIRST END |
| 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 |
|---|---|
| 45-15311 | 3/1 Design control — primary reference Newport Scientific, Inc. |
| H4730-055-0104 | C/1 Advisory reference — outside the item-of-supply concept Naval Inventory Control Point Mechanicsburg |
NSN 4730-00-055-0104 is a Cross,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-055-0104: Connection Style: HIGH PRESSURE FLARE (USED W/ MALE THREADED STYLE NO. 78)(TUBE) FIRST END; Criticality Code Justification: ZZZY; Material Document and Classification: 66 AISI 316 FED STD SINGLE MATERIAL RESPONSE OR SAE30316 ASSN STD SINGLE MATERIAL RESPONSE BODY; Material Document and Classification: 66 AISI 414 FED STD SINGLE MATERIAL RESPONSE OR SAE51414 ASSN STD SINGLE MATERIAL RESPONSE NUT. 15 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.