Couplers Produces a positive leak proof connection with hydraulic fittings

MB PART #	Type	Thread Size	Features	Alemite #	Lincoln #	Balcrank #
MB308730	Standard Duty	1/8" NPTF		308730		45076
MB308730-A	Standard Duty	1/8" NPTF	Check Valve	308730-A
MB308730-4J	Standard Duty	1/8" NPTF	4 Jaws	n/a
MB330070	Standard Duty	1/8" NPTF	Hi PSI-Metal Jaws	B300070
MB5852	Standard Duty	1/8" NPTF	Hex Base-Ball Check		5852	349
MB6304-B	Heavy Duty	1/8" NPTF		6304-B	5845
MB6304-C	Heavy Duty	1/8" NPTF	Ball check	6304-C
MB5883	Standard Duty	1/8" NPTF	90°		5883
MB310048	Slip-back	1/8" NPTF	Lock Sleeve	310048	81980	42395

Replacement Jaws

MB PART #	Type	Alemite #	Balcrank #
MB46567	Double Edge for Heavy Duty Couplers	46567	31527
MB308732	Single Edge for Standard Duty Couplers	308732	35071

Button Head Couplers Standard coupler for 5/8" headed fittings.

MB PART #	Type	Thread	Insert	Alemite #	Lincoln #
MB42030	Pull on	7/16-27"	Rubber	42030	n/a
MB42031	Push on	7/16-27"	Rubber	42031	n/a
MB42030-A	Pull on	1/8" Female	Rubber	42030-A	n/a
MB42031-A	Push on	1/8" Female	Rubber	42031-A	n/a
MB81458	Pull on/Push on	7/16-27"	Steel	n/a	81458

Giant Button Head Couplers Giant coupler for 7/8" headed fittings

MB PART #	Type	Thread	Insert	Alemite #	Lincoln #
MB304300	Pull on	7/16-27"	Rubber	304300	n/a
MB304300-A	Pull on	1/8" Female	Rubber	304300-A	n/a
MB304301	Push on	7/16-27"	Rubber	304300	n/a
MB304301-A	Push on	1/8" Female	Rubber	304300-A	n/a
MB80933	Pull on	7/16-27"	Rubber	n/a	80933
MB319702	Pull on	1/4" Female	Rubber	319702	n/a

Pin-Type Couplers

MB PART #	Type	Thread
MBVB942	Without Wing Nut	1/8" NPT Female
MB50491	With Wing Nut	1/8" Male
MB51185	With Wing Nut	1/8" Female