|
|
National Stock Number: 4520-01-452-6050
Federal Supply Class: 4520
National Item Identification Number: 014526050
Description: DRAFT CONTROL,FLUE,AUTOMATIC
Detail: AN ITEM CONSISTING OF A METAL FRAME IN WHICH IS INSERTED A FLAT METAL PLATE MOUNTED ON A SHAFT. THE PLATE, FLUCTUATING AUTOMATICALLY ACCORDING TO CHANGES IN ATMOSPHERIC PRESSURE, CONTROLS THE STACK OR FLUE DRAFT AND MAINTAINS AN ABSOLUTE CONSTANCY OF DRAFT REGARDLESS OF VARYING WEATHER CONDITIONS.
|
Manufacturer Information:
197A168-1 | 03640 | LOCKHEED MARTIN CORPORATION |
|
Techincal Specification:
OVERALL HEIGHT | 17.068 INCHES NOMINAL | OVERALL LENGTH | 21.500 INCHES NOMINAL | OVERALL WIDTH | 11.370 INCHES NOMINAL | MATERIAL | ALUMINUM ALLOY | SPECIAL FEATURES | MATERIAL ALUMINUM ALLOY QQ-A-25018, 5052-H32; PRIME PER MIL-C-22750; PAINT USING FED-STD-595, COLOR NO. 26307, LIGHT GULL GRAY, MIL-C-83286 TY 1; HOLES TO BE FREE OF PAINT AND PRIMER | SURFACE TREATMENT | PRIMER AND PAINT |
|
|