The Adapter,straight,flange to Tube, cataloged under National Stock Number 4730-00-700-3455, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-700-3455 |
| Primary Part Number | 4017321 |
| 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 | ROUND WITH HOLES SECOND END |
| Nominal Overall Length | 1.200 INCHES IN |
| Connection Type | FLANGE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Material Document and Classification | QQ-A-267,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Nominal Outside Diameter | 1.920 INCHES SECOND END IN |
| Bolt Hole Quantity | 3 SECOND END |
| Thread Class | 3B FIRST END |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
| 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 |
|---|---|
| 4017321 PRIMARY | Textron Aviation Inc (USA) |
| Reference | Meaning |
|---|---|
| 4017321 | 3/9 Design control — primary reference Cessna Aircraft Company Dba Textron Aviation |
NSN 4730-00-700-3455 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 4730-00-700-3455 has 1 manufacturer part number on file: 4017321 (Textron Aviation Inc).
Key specifications for 4017321: Flange Shape: ROUND WITH HOLES SECOND END; Nominal Overall Length: 1.200 INCHES IN; Connection Type: FLANGE SECOND END; Connection Type: THREADED INTERNAL TUBE FIRST END. 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.
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.