The Nut,tube Coupling, cataloged under National Stock Number 4730-00-142-2167, 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 Skf Aerospace France. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 32 commercial cross-references from 25 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-142-2167 |
| Primary Part Number | AN818-6D |
| Item Name | Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Skf Aerospace France |
| Status | CANCELLED |
| Material | ALUMINUM ALLOY 2014 OVERALL |
| Smallest Inside Diameter | 0.440 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Nut Height | 0.719 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE OVERALL |
| Specification/standard Data | 88044-AN818 GOVERNMENT STANDARD |
| Surface Treatment Document and Classification | MIL-A-8525,TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Width Across Flats | 0.684 INCHES MINIMUM AND 0.691 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 18 |
| Thread Direction | RIGHT-HAND |
| Thread Class | 3A A |
| Length to Shoulder | 0.600 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN |
| Nut Style | TUBE COUPLING |
| Nominal Tube Outside Diameter | 0.375 INCHES IN |
| Material Document and Classification | QQ-A-225/4,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Size | 0.562 INCHES IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AN818-6D | Skf Aerospace France (FRA) |
| AN818-6D | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
| 8176561 | Us Army Aviation and Missile Command (USA) |
| 720335-6 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| AN818-6D | Crown Fitting Co Inc (USA) |
| AN818-6D | Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply (USA) |
| AN818-6-6D | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
| AN818-6D | Department of the Army (USA) |
| AS4841 | Sae International Dba Sae International (USA) |
| 731857-106 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 4792-6D | Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc (USA) |
| AN818-6D | Faber Enterprises, Inc. Div Faber Enterprise Inc (USA) |
| SAE-AS4841 | Sae International Dba Sae International (USA) |
| AN816-6D | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
| 416775-15 | Raytheon Company Dba Raytheon (USA) |
| AN818-6D | Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA) |
| AN818-6D | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| AN818-6D | Satair A/s (DNK) |
| AS4841 | Society of Automotive Engineers Inc (USA) |
| 00160 | Extra Flugzeugproduktions- Und Vertriebs Gmbh (DEU) |
NSN 4730-00-142-2167 is a Nut,tube Coupling, manufactured by Skf Aerospace France, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-142-2167 has 32 cross-referenced part numbers: AN818-6D (Skf Aerospace France), AN818-6D (Aeronautical Standards Group Dept of Navy and Air Force), 8176561 (Us Army Aviation and Missile Command), 720335-6 (Lockheed Martin Corporation Div Rms - Mitchel Field), AN818-6D (Crown Fitting Co Inc) and 27 more.
There are 7 known substitutes for 4730-00-142-2167: 5310-00-040-9841, 4730-00-196-9580, 6220-00-299-7036 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for AN818-6D: Material: ALUMINUM ALLOY 2014 OVERALL; Smallest Inside Diameter: 0.440 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Nut Height: 0.719 INCHES NOMINAL IN. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-142-2167 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.