AN565E8H8

Part identification

NSN	5305-00-058-9371
NIIN	00-058-9371
FSC	5305
FSG	53
Item Name	Setscrew
INC	06672
Assigned Date	01-JAN-1961
Status	Active

Technical characteristics

Thread Class	3A
Thread Direction	Right-hand
Thread Length	0.500 inches maximum
Fastener Length	0.500 inches nominal
Head Style	Headless (setscrew)
Point Style	Half dog
Internal Drive Style	Hexagon
End Item Identification	W/s:helicopter, seahawk, H-60; aircraft, phantom F-4; submarine aship control and navigtion systems; aircraft, viking S-3B; guided missile, intercept; aircraft, hawkeye E-2C; chaparral/vulcan ads/ssamd; submarine navigationa systems; fms-aircraft, orion P-3
Nominal Thread Diameter	0.164 inches
Width Across Flats	0.078 inches nominal
Thread Quantity per Inch	32
Hardness Rating	45.0 rockwell C minimum overall and 53.0 rockwell C maximum overall
Material	Steel comp 4037 overall or steel comp 4137 overall or steel comp 4140 overall or steel comp 8630 overall or steel comp 8740 overall
Material Document and Classification	66 fed std all material responses overall
Surface Treatment	Cadmium overall and chromate overall
Surface Treatment Document and Classification	QQ-P-416 type 2 class 3 fed spec all treatment responses overall
Thread Series Designator	UNC

Manufacturers

Aeronautical Standards Group (CAGE 88044) — Type M

Military Standards (CAGE 96906) — Type M

National Aerospace Standards (CAGE 80205) — Type C

Alternate part numbers

AN565E8H8 (CAGE 88044)

MS51977-33 (CAGE 80205)

MS51977-33 (CAGE 96906)