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MS27183-18
.551-1.062 MS27183 Military Flat Washer Cadmium
Description
MS 27183-18 Flat Washer
Specifications
| Departure From Cited Document | As modified by the finish |
|---|---|
| Diameter | 0.551 |
| End Application | Hc-130); hemtt (heavy expanded mobility tactical truck);mrap rg-33;mrap buffalo mk2a2 ec-130e mc-130h (ac-130h b-1 aircraft; aircraft (02mjul83)(an/uyq-3a); support equipment aircraft; airborne mobile dir air spt ctl (2id) aircraft refueler 4-14; stream (std. tensioned replenishment at sea method); elevators b-1b aircraft; fire pumps; vehicle e-3a; shipboard material handling equipment (mhe); trainer awacs w/s: aircraft |
| Finish | Cadmium ll |
| Full Size | .551-1.062 |
| Hole Diameter | Between 0.526 inches and 0.546 inches |
| Material | Steel |
| Material Specification | 66 federal standard single material response |
| Military Spec | MS27183 |
| MilspecPart | MS27183 |
| NIIN | 00-809-5998 |
| NSN | 5310-00-809-5998 |
| Nominal I.D. | .531 |
| Nominal O.D. | 1.062 |
| Nondefinitive Specification/Std Data | A type and 1 grade and a class |
| Overall Diameter | Between 1.055 inches and 1.092 inches |
| Screw Size | 1/2 |
| Size | .551-1.062 |
| Surface Treatment | Cadmium plated |
| Surface Treatment Specification | Cl 3 federal specification single treatment response type 2 qq-p-416 |
| Thickness | .095, Between 0.074 inches and 0.121 inches |
| Threads Per Inch | 1.062 |
| U.O.M. | Imperial |
Cross-reference
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Catalog data updated 2026-07-05. Report a data error