The Adapter,straight,flange to Tube, cataloged under National Stock Number 4730-00-077-2558, 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 Rolls-Royce Solutions America Inc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-077-2558 |
| Primary Part Number | 5122195 |
| Item Name | Adapter,straight,flange to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES SECOND END |
| Flange Face Design | PLAIN SECOND END |
| Connection Style | PLAIN (TUBE) FIRST END |
| Bolt Circle Nominal Diameter | 5.125 INCHES SECOND END IN |
| Tubing Wall Nominal Thickness for Which Designed | 0.095 INCHES FIRST END IN |
| Nominal Overall Length | 4.219 INCHES IN |
| Bolt Hole Nominal Diameter | 0.375 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 4.000 INCHES FIRST END IN |
| Nominal Outside Diameter | 6.000 INCHES SECOND END IN |
| Bolt Hole Quantity | 8 SECOND END |
| Material | STEEL OVERALL |
| Nominal Thickness | 0.219 INCHES SECOND END IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5122195 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
NSN 4730-00-077-2558 is a Adapter,straight,flange to Tube, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-077-2558 has 1 manufacturer part number on file: 5122195 (Rolls-Royce Solutions America Inc).
Key specifications for 5122195: Flange Shape: ROUND WITH HOLES SECOND END; Flange Face Design: PLAIN SECOND END; Connection Style: PLAIN (TUBE) FIRST END; Bolt Circle Nominal Diameter: 5.125 INCHES SECOND END IN. 12 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.
NSN 4730-00-077-2558 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.