| Huck Part Number | NAS 1686 Part Number With Internal Lock | NAS 1686 Part Number without lock type Identification | (Reference Only) MIL-R-7885 Part Numbers | Rivet Head Style | O/S for oversize Dia. NOM. for Nominal Dia. | Sleeve Material | Spindle material |
HC3212 HC3213 HC3214 | NAS9302BH NAS9301BH NAS9303BH | NAS9302BNS NAS9301BNS NAS9303BNS | M7885/3 M7885/2 M7885/27 | Flush Protruding Shear Flush | NOM. | Aluminum | Alloy Steel |
HC3242 HC3243 HC3245 | NAS9305BH NAS9304BH NAS9306BH | NAS9305BNS NAS9304BNS NAS9306BNS | M7885/7 M7885/6 M7885/28 | Flush Protruding Uni-Sink | O/S | Aluminum | Alloy Steel |
HC6222 HC6223 HC6224 | -- -- -- | -- -- -- | M7885/12 M7885/11 M7885/13 | Flush Protruding Shear Flush | NOM. | Aluminum | A286 CRES |
HC6252 HC6253 | -- -- | -- -- | M7885/15 M7885/14 | Flush Protruding | O/S | Aluminum | A286 CRES |