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MS21318-20
4X3/16 MS21318 Military Round Head Type U Drive Screw Cadmium
Description
3/16" length, .114" diameter, round head, cadmium plated carbon steel, MS21318 series screw
Specifications
| Country of Origin | USA |
|---|---|
| Diameter | 0.114 in |
| End Application | Sparrow (aim-7); ground mobile force satellite comm term (an/tsc-85a);2320-01-097-0260 hemtt (heavy expanded mobility tactical trucks) harpoon (agm-84); close in weapon system (ciws-phalanx); missile air-to-air all-weather anti-ship mk 48; missile phoenix (aim-54); torpedo air-to-air b-1 aircraft; missile hc-130); support equipment ec-130e mc-130h (ac-130h galaxy c-5; aircraft aircraft refueler r-14; aircraft w/s:vehicle |
| Fastener Length | Between 0.172 inches and 0.204 inches |
| Features Provided | Casehardened |
| Head Angle | 100 ? |
| Head Diameter | Between 0.193 inches and 0.211 inches |
| Head Height | Between 0.075 inches and 0.086 inches |
| Head Style | Round Head |
| Industry Standards/Certification | MS21318 |
| Length | 3/16 in |
| Material | Steel |
| NIIN | 00-253-5614 |
| NSN | 5305-00-253-5614 |
| Nondefinitive Specification/Std Data | U type |
| Nonmachine Thread Diameter | 0.114 |
| Nonmachine Thread Style | Drive screw (type u) |
| Size | 4 |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 type 2 cl 3 federal specification all treatment responses |
| Weight | 0.0001 lb |
Cross-reference
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Catalog data updated 2026-07-05. Report a data error