Military Standard - Tapping Screw - MS51861-24
Standard Part
Description: Tapping Screw
Part Number: MS51861-24
Alternate Part Numbers: AN530-6R6, AN530-6-6
Product Overview:
A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes screw, assembled washer.
Item Specification:
| Fastener Length | 0.344 inches minimum and 0.406 inches maximum | |
| Head Style | PAN | |
| Head Diameter | 0.256 inches minimum and 0.270 inches maximum | |
| Head Height | 0.087 inches minimum and 0.097 inches maximum | |
| Internal Drive Style | Cross recess type 1 | |
| Features Provided | Casehardened | |
| Nonmachine Thread Style | Gimlet point (type a, ab or ba) | |
| Nonmachine Nominal Thread Diameter | 0.138 inches | |
| Material | Steel overall | |
| Surface Treatment | Cadmium overall and chromate overall | |
| Surface Treatment Document and Classification | QQ-P-416, type 2, class 3 fed spec single treatment response overall | |
| Nondefinitive Spec/STD Data | Ab type |
Fits In:
- · Bombardier Learjet 55
- · Bombardier Learjet 60 - all variants
- · Textron Aviation Beechcraft King Air 200 - all variants
- · Textron Aviation Beechcraft King Air 90 - all variants