NSN 4730-00-277-5091
Part Details | TUBE FITTING LOCKNUT
4730-00-277-5091 An item with internal machine threads designed to fit the external machine threads of a tube fitting. It has flat faces, one of which has a counterbored recess to accommodate packing, packing or sealing ring(s), gasket(s), and the like. The item, when installed, provides a method of locking and sealing the connection. See also LOCKNUT, PIPE; NUT (1), TUBE COUPLING and NUT (1), PLAIN, HEXAGON.
Alternate Parts: AN6289D24, AN6289D24, 278140613, 27-81406-13, AS5179D24, 4730-00-277-5091, 00-277-5091, 4730002775091, 002775091
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | JAN 01, 1961 | 00-277-5091 | 17645 ( LOCKNUT, TUBE FITTING ) |
REFERENCE DRAWINGS & PICTURES
TUBE FITTING LOCKNUT
Cross Reference | NSN 4730-00-277-5091
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| AN6289D24 | 88044 | AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE |
| AN6289D24 | 14397 | FABER ENTERPRISES, INC.DIV FABER ENTERPRISE INC |
| 27-81406-13 | 14170 | HUGHES MISSILE SYSTEMS COSAN DIEGO |
| AS5179D24 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
Technical Data | NSN 4730-00-277-5091
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UNJ |
| NOMINAL THREAD SIZE | 1.875 INCHES |
| THREAD QUANTITY PER INCH | 12 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| NUT STYLE | TUBE FITTING LOCKNUT |
| NUT HEIGHT | 0.438 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 2.188 INCHES NOMINAL |
| PACKING RECESS DIAMETER | 2.104 INCHES NOMINAL |
| PACKING RECESS DEPTH | 0.054 INCHES NOMINAL |
| NOMINAL TUBE OUTSIDE DIAMETER | 1.500 INCHES |
| SPECIAL FEATURES | END ITEM: GRUMMAN A-10 AIRCRAFT |
| SPECIFICATION/STANDARD DATA | 88044-AN6289 GOVERNMENT STANDARD AND 81349-MIL-F-5509 GOVERNMENT SPECIFICATION |