The Adapter,straight,flange to Tube, cataloged under National Stock Number 4730-01-281-3658, 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 Arrowhead Products Corp. Government technical data includes 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-281-3658 |
| Primary Part Number | 713230-27 |
| Item Name | Adapter,straight,flange to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Arrowhead Products Corp |
| 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 | 6.080 INCHES SECOND END IN |
| Connection Type | FLANGE SECOND END |
| Connection Type | UNTHREADED EXTERNAL TUBE FIRST END |
| Bolt Hole Nominal Diameter | 0.260 INCHES SECOND END IN |
| Nominal Outside Diameter | 6.840 INCHES SECOND END IN |
| Bolt Hole Quantity | 4 SECOND END |
| Nominal Thickness | 0.100 INCHES SECOND END IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 713230-27 PRIMARY | Arrowhead Products Corp (USA) |
| BE798-13 PRIMARY | Bemco, Inc (USA) |
| Reference | Meaning |
|---|---|
| 4730PL1776678 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 4730PL0734178 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| C7897-13 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 4730-01-281-3658 is a Adapter,straight,flange to Tube, manufactured by Arrowhead Products Corp, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-281-3658 has 2 manufacturer part numbers on file: 713230-27 (Arrowhead Products Corp), BE798-13 (Bemco, Inc).
Key specifications for 713230-27: Flange Shape: ROUND WITH HOLES SECOND END; Flange Face Design: PLAIN SECOND END; Connection Style: PLAIN (TUBE) FIRST END; Bolt Circle Nominal Diameter: 6.080 INCHES SECOND END IN. 10 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 4730-01-281-3658 has DEMIL Code B. 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.