The Nut,tube Coupling, cataloged under National Stock Number 4730-00-287-0289, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Embraer S.a.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 40 commercial cross-references from 33 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-287-0289 |
| Primary Part Number | 3110242 |
| Item Name | Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Embraer S.a. |
| Status | CANCELLED |
| Material | ALUMINUM ALLOY OVERALL |
| Smallest Inside Diameter | 0.305 INCHES NOMINAL IN |
| Thread Series | UNF |
| Width Across Flats | 0.563 INCHES NOMINAL IN |
| Nut Style | TUBE COUPLING |
| Nominal Thread Size | 0.438 INCHES IN |
| Thread Quantity Per Inch | 20 |
| Length to Shoulder | 0.532 INCHES NOMINAL IN |
| Nominal Tube Outside Diameter | 0.250 INCHES IN |
| Nut Height | 0.620 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE OVERALL |
| Thread Direction | RIGHT-HAND |
| Thread Class | 3B |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 3110242 | Embraer S.a. (BRA) |
| AN818-4D | Lockheed Martin Corporation (USA) |
| C8175450 | Us Army Aviation and Missile Command (USA) |
| AN818-40 | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
| 21004 | Harvard Industries Inc (USA) |
| 4730PL1785830 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| AN818-4D | Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA) |
| 3110242 | Embraer Aviation International (FRA) |
| 720335-4 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 263-013-4320 | Northrop Grumman Systems Corporation (USA) |
| 21004 | Esna, Llc (USA) |
| AN818-4D | Skf Aerospace France (FRA) |
| D58126-4-19 | Airco Cryogenics Div of Airco Inc (USA) |
| AN818-4D | Faber Enterprises, Inc. Div Faber Enterprise Inc (USA) |
| 4730002870289 | E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| AN818-4D | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| 3110242 | Embraer Empresa Brasileira De Aeronautica Sa (BRA) |
| 477 612 | Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company (USA) |
| 8176560 | Us Army Aviation and Missile Command (USA) |
| AN818-4D | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
NSN 4730-00-287-0289 is a Nut,tube Coupling, manufactured by Embraer S.a., classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-287-0289 has 40 cross-referenced part numbers: 3110242 (Embraer S.a.), AN818-4D (Lockheed Martin Corporation), C8175450 (Us Army Aviation and Missile Command), AN818-40 (Aeronautical Standards Group Dept of Navy and Air Force), 21004 (Harvard Industries Inc) and 35 more.
There are 12 known substitutes for 4730-00-287-0289: 5120-00-061-8540, 4730-00-193-8117, 6250-00-196-8830 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 3110242: Material: ALUMINUM ALLOY OVERALL; Smallest Inside Diameter: 0.305 INCHES NOMINAL IN; Thread Series: UNF; End Item Identification: B-1 AIRCRAFT SUPPORT EQUIPMENT. B-52 AIRCRAFT SUPPORT EQUIPMENT. TF33-P-3/5/9 (C/EC-135, B-52H) AIRCRAFT ENGINE. H-3 HELICOPTER SUPPORT EQUIPMENT.. 15 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-287-0289 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.