5340-01-391-6190 STANDOFF,THREADED,SPACING Index 5310-01-391-6192 WASHER,FLAT

National Stock Number:
5365-01-391-6191

Federal Supply Class:
5365

National Item Identification Number:
013916191

Description:
SPACER,SPECIAL SHAPED

Detail:
A METALLIC OR NONMETALLIC ITEM OF VARIOUS PERIPHERAL SHAPES AND A SOLID CROSS-SECTION. IT IS DESIGNED TO MAINTAIN A PREDETERMINED DISTANCE BETWEEN TWO SURFACES. IT MAY HAVE FLAT PARALLEL BEARING SURFACES. DO NOT USE IF A MORE SPECIFIC NAME APPLIES. SEE ALSO SPACER, RING; SPACER, PLATE; SPACER, SLEEVE; SPACER, STEPPED; SHIM AND WASHER, FLAT.


Manufacturer Information:
7177637-0090536LOCKHEED MARTIN CORP


Techincal Specification:
BOLT HOLE DIAMETER0.279 INCHES MINIMUM AND 0.288 INCHES MAXIMUM
BOLT HOLE QUANTITY7
MATERIALALUMINUM ALLOY
OVERALL LENGTH55.920 INCHES NOMINAL
OVERALL THICKNESS0.375 INCHES NOMINAL
OVERALL WIDTH1.250 INCHES NOMINAL
SPECIAL FEATURESHAS 48 APERTURES;THERE IS A GROUP OF 3 APERTURES ON EACH END OF SPACER WITH 6 GROUPS OF 7 APERTURES IN THE MIDDLE;EACH APERTURE HAS A MINIMUM DIAMETER OF 0.802 IN. AND A MAXIMUM DIAMETER OF 0.822 IN.;A BOLT HOLE SEPARATES EACH GROUP OF APERTURES;AT ONE END OF THE SPACER,THE NOMINAL THICKNESS IS 0.375 IN. FOR THE FIRST 4.650 IN.,THE NOMINAL THICKNESS BECOMES 0.371 IN. FOR THE NEXT 6.810IN.,THEN THE NOMINAL THICKNESS RETURNS TO 0.375 IN. ALONG THE REST OF THE LENGTH OF THE SPACER


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