This is a A-310061 Sealed Beam Bulb (6 Volt) PN: 310061Main Description As Following : A-310061 Sealed Beam Bulb (6 Volt) P.N: 310061 Dim A (1): 5 3/4" DiameterDim B (2): 2 Screw TerminalDim C (3): (4019) Stocked As: A-28A151 , Crosses To: A-28A151 , Found in Section & Models : Lights & Related Parts > Sealed Beams, Case-IH TRACTOR: 2500, Case-IH TRACTOR: 340, Case-IH TRACTOR: 404, Case-IH TRACTOR: 424, Case-IH TRACTOR: 444, Case-IH TRACTOR: 460, Case-IH TRACTOR: 504, Case-IH TRACTOR: 560, Case-IH TRACTOR: 606, Case-IH TRACTOR: 660, Ford / New Holland (UNDEFINED): SEVERAL, Ford / New Holland TRACTOR: NAA, Ford / New Holland TRACTOR: 2N, Ford / New Holland TRACTOR: 2000 (W/ 4 CYL, 1/62-12/64), Ford / New Holland TRACTOR: 2031 (W/ 4 CYL, 1/60-12/62), Ford / New Holland TRACTOR: 2111 (W/ 4 CYL, 1/63-12/64), Ford / New Holland TRACTOR: 2120 (W/ 4 CYL, 1/63-12/64), Ford / New Holland TRACTOR: 2130 (W/ 4 CYL, 1/63-12/64), Ford / New Holland TRACTOR: 2131 (W/ 4 CYL, 1/63-12/64), Ford / New Holland TRACTOR: 2310 Associated Items : New Also A-FO-P-SHERF9BH, A-IH-C-MUSCLES, A-IH-O-CUBPM, A-IH-O-340ETCPM, A-IH-O-340I, A-IH-O-340I3PT, A-IH-O-3402PT, A-IH-O-340340UT, A-IH-P-3082, A-IH-P-340FAU, A-IH-S-BRAKEREP, A-IH-S-CARBSPEC, A-IH-S-ELECDIA, A-IH-S-HMTRANFD, A-IH-S-TOOLSLATE, A-IH-S-TUNEUP, A-IH-S-140EL, A-IH-S-340, A-MAG-S-317, A-SMIH201 And : Dim A (1): 5 3/4" Diameter Dim B (2): 2 Screw Terminal Dim C (3): (4019)