The Adapter,straight,flange to Tube, cataloged under National Stock Number 4730-00-922-3834, 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 Textron Aviation Inc. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-922-3834 |
| Primary Part Number | 4156212-1 |
| Item Name | Adapter,straight,flange to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Textron Aviation Inc |
| Status | ACTIVE |
| Flange Shape | TRIANGULAR WITH HOLES SECOND END |
| Flange Face Design | PLAIN SECOND END |
| Bolt Circle Nominal Diameter | 2.687 INCHES SECOND END IN |
| Nominal Overall Length | 2.000 INCHES IN |
| Connection Type | FLANGE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Bolt Hole Nominal Diameter | 0.219 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 1.000 INCHES FIRST END IN |
| Nominal Thread Size | 1.313 INCHES FIRST END IN |
| Seat Angle | 60.0 DEGREES FIRST END |
| Bolt Hole Quantity | 3 SECOND END |
| Thread Class | 3B FIRST END |
| Thread Quantity Per Inch | 12 FIRST END |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) FIRST END |
| Nominal Thickness | 0.150 INCHES SECOND END 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 |
|---|---|
| 4156212-1 PRIMARY | Textron Aviation Inc (USA) |
| Reference | Meaning |
|---|---|
| 4156212-1 | 3/9 Design control — primary reference Cessna Aircraft Company Dba Textron Aviation |
NSN 4730-00-922-3834 is a Adapter,straight,flange to Tube, manufactured by Textron Aviation Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-922-3834 has 1 manufacturer part number on file: 4156212-1 (Textron Aviation Inc).
Key specifications for 4156212-1: Flange Shape: TRIANGULAR WITH HOLES SECOND END; Flange Face Design: PLAIN SECOND END; Bolt Circle Nominal Diameter: 2.687 INCHES SECOND END IN; Nominal Overall Length: 2.000 INCHES IN. 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.