Proto 3G-OTH-594005 — Technical Specifications

Name: Proto 3G-OTH-594005 PROTO Impact Universal Joint: Black Oxide, 1/4 in Output Drive Size, Square, 1 3/8 in Overall Lg (MPN J66170P). Key specifications — attr1204914: Black Oxide; attr1204915: Locking Included; attr1204918: Square; attr1204937: PROTO.
Brand: Proto

The PROTO Impact Universal Joint (MPN J66170P) is a 1/4" drive square flex impact socket adapter with a 1 3/8" overall length, black oxide finish, and locking feature. 3G Electric interprets this demand and delivers it across 14 industrial departments — with specialist depth in combustion, pumps, and controls as an authorized distributor — ensuring you get the right solution, not just a catalog.

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Technical Specifications

Parameter	Value
Type	Square
Overall Lg	1 3/8 in
Output Drive Size	1/4 in
Manufacturer Part Number	J66170P