THREAD: AS8879
MATERIAL: Carbon steel, heat treated.
FINISH: Cadmium plated per NASM25027. Kaylube molybdenum disulfide dry lubricant coated after plating.
PERFORMANCE: NASM25027.
TEMPERATURE: 450°F.
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Item #

A ± .005

B - REF

C ± .002

E REF

H - MAX

L - MAX

N - REF

R
+.005
-.000

T - REF

Approx. Weight (LBS/100)

Thread

MK3000-448 N/A 0.203 N/A 0.215 N/A 0.287 N/A 0.125 N/A 0.130 N/A 0.448 N/A 0.135 N/A 0.098 N/A 0.025 N/A 0.090 N/A 4-48 UNF-3B
MK3000-640 N/A 0.218 N/A 0.215 N/A 0.308 N/A 0.125 N/A 0.145 N/A 0.457 N/A 0.161 N/A 0.098 N/A 0.032 N/A 0.130 N/A 6-40 UNF-3B
MK3000-836 N/A 0.234 N/A 0.215 N/A 0.331 N/A 0.125 N/A 0.215 N/A 0.497 N/A 0.200 N/A 0.098 N/A 0.032 N/A 0.170 N/A 8-36 UNF-3B
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