The Coupling,tube, cataloged under National Stock Number 4730-00-810-9407, 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 Newport Scientific, Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-00-810-9407 |
| Primary Part Number | 45-2306 |
| Item Name | Coupling,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Newport Scientific, Inc. |
| Status | ACTIVE |
| Furnished Items and Quantity | 2 FLARED SLEEVE AND 2 GLAND NUT |
| Connection Style | DOUBLE COMPRESSION (TUBE) ALL ENDS |
| Seat Nominal Radius | 0.062 INCHES ALL ENDS IN |
| Nominal Overall Length | 2.000 INCHES IN |
| Connection Type | THREADED INTERNAL TUBE ALL ENDS |
| Style Designator | RIGID, LONG CENTER WRENCHING FACILITY |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES ALL ENDS IN |
| Nominal Thread Size | 0.438 INCHES ALL ENDS IN |
| Thread Class | 2B ALL ENDS |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF ALL ENDS |
| 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 |
|---|---|
| 45-2306 PRIMARY | Newport Scientific, Inc. (USA) |
| 60-21HF4 | Graco High Pressure Equipment Inc. Dba High Pressure Equipment Company (USA) |
| Reference | Meaning |
|---|---|
| 60-21HF4 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 60F4433 | 5/2 Secondary reference U.S. Government activity |
NSN 4730-00-810-9407 is a Coupling,tube, manufactured by Newport Scientific, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-810-9407 has 2 manufacturer part numbers on file: 45-2306 (Newport Scientific, Inc.), 60-21HF4 (Graco High Pressure Equipment Inc. Dba High Pressure Equipment Company).
Key specifications for 45-2306: Furnished Items and Quantity: 2 FLARED SLEEVE AND 2 GLAND NUT; Connection Style: DOUBLE COMPRESSION (TUBE) ALL ENDS; Seat Nominal Radius: 0.062 INCHES ALL ENDS IN; Nominal Overall Length: 2.000 INCHES IN. 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.