The Nut,tube Coupling, cataloged under National Stock Number 4730-00-204-0799, 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 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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 | 4730-00-204-0799 |
| Primary Part Number | 170762 |
| Item Name | Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 303 PLUS X OVERALL |
| Material Document and Classification | AMS 5640 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Thread Series | UNF |
| Fabrication Method | MACHINED |
| Nut Height | 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nut Style | TUBE COUPLING |
| Thread Class | 3B |
| Nominal Thread Size | 0.750 INCHES IN |
| Smallest Inside Diameter | 0.598 INCHES MINIMUM AND 0.602 INCHES MAXIMUM IN |
| Seat Angle | 45.00 DEGREES NOMINAL |
| Width Across Flats | 0.869 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN |
| Nominal Tube Outside Diameter | 0.500 INCHES IN |
| Length to Shoulder | 0.521 INCHES MINIMUM AND 0.541 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4730-00-204-0799 is a Nut,tube Coupling, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-204-0799 has 2 cross-referenced part numbers: 170762 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 170762 (Turbo Power & Marine System Inc Sub of United Technologies Corp).
There are 4 known substitutes for 4730-00-204-0799: 1620-00-461-1572, 1650-00-787-0918, 5840-01-138-6547 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 170762: Thread Quantity Per Inch: 16; Material: STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 303 PLUS X OVERALL; Material Document and Classification: AMS 5640 ASSN STD ALL MATERIAL RESPONSES OVERALL; Thread Series: UNF. 15 total characteristics are documented in the Federal Logistics Information System.