The Bolt,fluid Passage, cataloged under National Stock Number 4730-01-055-4048, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Parker Hannifin Corp Aerospace Group Aerospace Hydraulics Div. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-055-4048 |
| Primary Part Number | 2711245 |
| Item Name | Bolt,fluid Passage |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker Hannifin Corp Aerospace Group Aerospace Hydraulics Div |
| Status | ACTIVE |
| Second End Thread Quantity Per Inch | 14 |
| Second End Nominal Thread Size | 0.875 INCHES IN |
| Second End Thread Class | 3A A |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 3 FED SPEC 1ST TREATMENT RESPONSE |
| Second End Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Material Document and Classification | AMS5643 ASSN STD SINGLE MATERIAL RESPONSE |
| Second End Thread Direction | RIGHT-HAND |
| Second End Style Designator | EXTERNAL SEAT FOR GASKET SEAL (BOSS) |
| Surface Treatment | CADMIUM AND PASSIVATE |
| Material | STEEL |
| Second End Thread Length | 1.010 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2711245 | Parker Hannifin Corp Aerospace Group Aerospace Hydraulics Div (USA) |
| 2711245 | Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations (USA) |
| Reference | Meaning |
|---|---|
| 2711245 | 5/9 Secondary reference U.S. Government activity |
| 2711245 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-055-4048 is a Bolt,fluid Passage, manufactured by Parker Hannifin Corp Aerospace Group Aerospace Hydraulics Div, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-055-4048 has 2 manufacturer part numbers on file: 2711245 (Parker Hannifin Corp Aerospace Group Aerospace Hydraulics Div), 2711245 (Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations).
Key specifications for 2711245: Second End Thread Quantity Per Inch: 14; Second End Nominal Thread Size: 0.875 INCHES IN; Second End Thread Class: 3A A; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 3 FED SPEC 1ST TREATMENT RESPONSE. 11 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.