This part is a kind of semiconductor called NAS1352C04-4.
Function of this product has SOCKET HEAD CAP SCREWS.
Manufacturers : AIRCRAFT
Image and pinout :

Some of the text within the PDF file :
SOCKET HEAD CAP SCREWS SOCKET HEAD CAP SCREW STAINLESS STEEL-DRILLED SOCKET HEAD CAP SCREW ALLOY STEEL-DRILLED CM WP COARSE THREADED PART NO. NAS1352C04H4 NAS1352C04H6 NAS1352C06H6 NAS1352C06H8 NAS1352C08H6 NAS1352C08H8 NAS1352C08H10 MS NO. THREAD 4-40 4-40 6-32 6-32 8-32 8-32 8-32 LENGTH 1/4” 3/8” 3/8” 1/2” 3/8” 1/2” 5/8” PRICE $1.13 $1.39 $1.22 $1.22 $1.51 $1.39 $1.58 COARSE THREADED PART NO. NAS1352-04H4P NAS1352-04H6P NAS1352-06H6P NAS1352-06H8P NAS1352-06H10P NAS1352-08H6P NAS1352-08H8P NAS1352-08H10P NAS1352-08H12P PART NO. NAS1351-3H6P NAS1351-3H8P NAS1351-3H10P NAS1351-3H12P NAS1351-4H10P NAS1351-4H12P NAS1351-4H14P NAS1351-4H16P MS NO. THREAD MS24677-1 4-40 MS24677-2 4-40 MS24677-7 6-32 MS24677-8 6-32 MS24677-9 6-32 MS24677-14 8-32 MS24677-15 8-32 MS24677-16 8-32 [ ... ]
NAS1352C04-4 PDF Datasheet Download
