NSN 5340-00-472-2958
Part Details | EXPANSION PLUG
5340-00-472-2958 A relatively thin metallic item, having a concave or cupped contour, designed to effect its own seal by compression against the circumference of a hole. It is used as a blowout plug in boilers, engines, and the like to relieve the pressure created by the expansion of fluids caused by heat or freezing.
Alternate Parts: 10161582, 5340-00-472-2958, 00-472-2958, 5340004722958, 004722958
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | MAR 09, 1972 | 00-472-2958 | 03797 ( PLUG, EXPANSION ) |
REFERENCE DRAWINGS & PICTURES
CONCAVE

Cross Reference | NSN 5340-00-472-2958
Part Number | Cage Code | Manufacturer |
---|---|---|
10161582 | 18876 | U S ARMY AVIATION AND MISSILECOMMAND |
Technical Data | NSN 5340-00-472-2958
Characteristic | Specifications |
---|---|
MATERIAL | STEEL |
MATERIAL DOCUMENT AND CLASSIFICATION | A66$JGAAISI/SAE 1008-1022 2ND MATERIAL RESPONSE |
SURFACE TREATMENT | CADMIUM |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE |
STYLE DESIGNATOR | CONCAVE |
RADIUS | 1.078 INCHES MINIMUM AND 1.109 INCHES MAXIMUM |
OUTSIDE DIAMETER | 0.872 INCHES MINIMUM AND 0.878 INCHES MAXIMUM |
MATERIAL THICKNESS | 0.078 INCHES MINIMUM AND 0.088 INCHES MAXIMUM |