NSN 5340-00-439-5278
Part Details | DUST AND MOISTURE SEAL BOOT
5340-00-439-5278 A flexible, nonmetallic item designed to prevent entry of dust, moisture and other contaminants into critical areas around shafts, levers, electrical wires and hoses. Sealing may be either static or dynamic. The item may include mounting hardware (support plates, clamps and the like). Excludes BELLOWS, PROTECTION; GROMMET, NONMETALLIC; and CABLE NIPPLE, ELECTRICAL. See also CAP, ELECTRICAL; CAP, PROTECTIVE, DUST AND MOISTURE SEAL; and SHIELD, ELECTRICAL CONNECTOR.
Alternate Parts: L540045100500, L5400451-005-00, 5340-00-439-5278, 00-439-5278, 5340004395278, 004395278
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | DEC 01, 1969 | 00-439-5278 | 19302 ( BOOT, DUST AND MOISTURE SEAL ) |
REFERENCE DRAWINGS & PICTURES
THRU-HOLE

Cross Reference | NSN 5340-00-439-5278
Part Number | Cage Code | Manufacturer |
---|---|---|
L5400451-005-00 | 43999 | BOEING COMPANY, THEDBA BOEING |
Technical Data | NSN 5340-00-439-5278
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | THRU-HOLE |
BODY OUTSIDE DIAMETER | 2.070 INCHES NOMINAL |
OPENING INSIDE DIAMETER | 1.900 INCHES MINIMUM AND 1.940 INCHES MAXIMUM |
MOUNTING METHOD | UNTHREADED HOLE |
MOUNTING DEVICE QUANTITY | 1 |
PART NAME ASSIGNED BY CONTROLLING AGENCY | BOOT, CONNECTOR-STAGE 2 9W2P8&9W2P14 |