The Nut,tube Coupling, cataloged under National Stock Number 4730-01-255-5282, 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 Bell Textron Inc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-255-5282 |
| Primary Part Number | 90-077-16H |
| Item Name | Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Bell Textron Inc |
| Status | ACTIVE |
| Thread Quantity Per Inch | 12 |
| Material Document and Classification | NAS597 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Width Across Flats | 1.125 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL JOINT (UNJ) |
| Nut Style | TUBE COUPLING |
| Nut Height | 1.158 INCHES NOMINAL IN |
| Smallest Inside Diameter | 1.020 INCHES NOMINAL IN |
| Seat Angle | 33.0 DEGREES NOMINAL |
| Thread Class | 3B |
| Thread Direction | RIGHT-HAND |
| Length to Shoulder | 0.907 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Lubrication | DRY FILM LUBRICANT |
| Nominal Thread Size | 1.312 INCHES IN |
| Nominal Tube Outside Diameter | 1.000 INCHES IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 40559-16H | Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp (USA) |
| AP727-16H | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| 90-077 | Bell Textron Inc (USA) |
| FL82-16H | Fluidtronics (USA) |
| NA50003-16H | Nelson Aero Space, Inc. (USA) |
| 90-077-16H PRIMARY | Bell Textron Inc (USA) |
NSN 4730-01-255-5282 is a Nut,tube Coupling, manufactured by Bell Textron Inc, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-255-5282 has 6 cross-referenced part numbers: 40559-16H (Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp), AP727-16H (Sps Technologies, Llc Dba Airdrome Precision Components), 90-077 (Bell Textron Inc), FL82-16H (Fluidtronics), NA50003-16H (Nelson Aero Space, Inc.) and 1 more.
There are 4 known substitutes for 4730-01-255-5282: 2510-01-183-0023, 4910-01-183-2670, 4910-01-201-7856 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 90-077-16H: Thread Quantity Per Inch: 12; Material Document and Classification: NAS597 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL; Width Across Flats: 1.125 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL JOINT (UNJ). 17 total characteristics are documented in the Federal Logistics Information System.