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Imperial & Metric Part Numbers

Imperial

		A		B Throat Ø				C		D Piston Ø
Seal I.D.	Dim.	Groove Tol.	Rod. Tol.	Dim.	Tol.	Seal O.D.	Dim.	C. Bore Tol.	Gland Tol.	Dim.	Tol.
0.125-1.500	Nom ID	+0.000 -0.001	+0.000 -0.001	ID +0.001	+0.000 -0.001	0.250-2.375	Nom OD	+0.003 -0.000	.	OD -0.002	+0.000 -0.001
1.506-2.500	"	+0.000 -0.002	+0.000 -0.001	ID +0.001	+0.000 -0.001	2.437-4.750	"	+0.004 -0.000	+0.003 -0.000	OD -0.002	+0.000 -0.002
2.506-8.000	"	+0.000 -0.003	+0.000 -0.002	ID +0.001	+0.000 -0.001	5.000-7.750	"	+0.004 -0.000	+0.003 -0.000	OD -0.003	+0.000 -0.003
8.250+	"	+0.000 -0.004	+0.000 -0.003	ID +0.002	+0.000 -0.001	8.000+	"	+0.005 -0.000	+0.003 -0.000	OD -0.003	+0.000 -0.004
Groove Width: The groove width is the seal height + 1/32^nd ± 0.010

Part Number	Nominal Seal
Part Number	I.D.	O.D.	C/S
HU 01250250	1/8	1/4	1/16
HU 01250312	1/8	5/16	3/32
HU 01250375	1/8	3/8	1/8
HU 01250500	1/8	1/2	3/16
HU 01560281	5/32	9/32	1/16
HU 01870312	3/16	5/16	1/16
HU 01870375	3/16	3/8	3/32
HU 01870437	3/16	7/16	1/8
HU 01870562	3/16	9/16	3/16
HU 02180343	7/32	11/32	1/16
HU 02180406	7/32	13/32	3/32
HU 02500375	1/4	3/8	1/16
HU 02500437	1/4	7/16	3/32
HU 02500500	1/4	1/2	1/8

Part Number	Nominal Seal
Part Number	I.D.	O.D.	C/S
HU 02500562	1/4	9/16	5/32
HU 02500625	1/4	5/8	3/16
HU 02500750	1/4	3/4	1/4
HU 03120437	5/16	7/16	1/16
HU 03120500	5/16	1/2	3/32
HU 03120562	5/16	9/16	1/8
HU 03120687	5/16	11/16	3/16
HU 03120812	5/16	13/16	1/4
HU 03750500	3/8	1/2	1/16
HU 03750562	3/8	9/16	3/32
HU 03750625	3/8	5/8	1/8
HU 03750750	3/8	3/4	3/16
HU 03750875	3/8	7/8	1/4
HU 04370625	7/16	5/8	3/32

Part Number	Nominal Seal
Part Number	I.D.	O.D.	C/S
HU 04370688	7/16	11/16	1/8
HU 04370812	7/16	13/16	3/16
HU 04370937	7/16	15/16	1/4
HU 05000625	1/2	5/8	1/16
HU 05000687	1/2	11/16	3/32
HU 05000750	1/2	3/4	1/8
HU 05000812	1/2	13/16	5/32
HU 05000875	1/2	7/8	3/16
HU 05001000	1/2	1	1/4
HU 05620750	9/16	3/4	3/32
HU 05620813	9/16	13/16	1/8
HU 05621062	9/16	1 - 1/16	1/4
HU 05930844	19/32	27/32	1/8
HU 06250813	5/8	13/16	3/32
HU 06250875	5/8	7/8	1/8
HU 06251000	5/8	1	3/16
HU 06251125	5/8	1 - 1/8	1/4
HU 06870875	11/16	7/8	3/32
HU 06870937	11/16	15/16	1/8
HU 06871062	11/16	1 - 1/16	3/16
HU 06871187	11/16	1 - 3/16	1/4
HU 07500937	3/4	15/16	3/32
HU 07501000	3/4	1	1/8
HU 07501125	3/4	1 - 1/8	3/16
HU 07501250	3/4	1 - 1/4	1/4
HU 08121000	13/16	1	3/32
HU 08121062	13/16	1 - 1/16	1/8
HU 08121125	13/16	1 - 1/8	5/32
HU 08121312	13/16	1 - 5/16	1/4
HU 08751000	7/8	1	1/16
HU 08751062	7/8	1 - 1/16	3/32
HU 08751125	7/8	1 - 1/8	1/8
HU 08751187	7/8	1 - 3/16	5/32
HU 08751250	7/8	1 - 1/4	3/16
HU 08751375	7/8	1 - 3/8	1/4
HU 09371187	15/16	1 - 3/16	1/8
HU 09371250	15/16	1 - 1/4	5/32
HU 09371437	15/16	1 - 7/16	1/4
HU 10001187	1	1 - 3/16	3/32
HU 10001250	1	1 - 1/4	1/8
HU 10001312	1	1 - 5/16	5/32
HU 10001375	1	1 - 3/8	3/16
HU 10001500	1	1 - 1/2	1/4
HU 10621375	1 - 1/16	1 - 3/8	5/32
HU 10621562	1 - 1/16	1 - 9/16	1/4
HU 11251375	1 - 1/8	1 - 3/8	1/8
HU 11251437	1 - 1/8	1 - 7/16	5/32
HU 11251500	1 - 1/8	1 - 1/2	3/16
HU 11251625	1 - 1/8	1 - 5/8	1/4
HU 11871437	1 - 3/16	1 - 7/16	1/8

Part Number	Nominal Seal
Part Number	I.D.	O.D.	C/S
HU 11871500	1 - 3/16	1 - 1/2	5/32
HU 11871687	1 - 3/16	1 -11/16	1/4
HU 12501500	1 - 1/4	1 - 1/2	1/8
HU 12501562	1 - 1/4	1 - 9/16	5/32
HU 12501625	1 - 1/4	1 - 5/8	3/16
HU 12501750	1 - 1/4	1 - 3/4	1/4
HU 13121562	1 - 5/16	1 - 9/16	1/8
HU 13121625	1 - 5/16	1 - 5/8	5/32
HU 13751625	1 - 3/8	1 - 5/8	1/8
HU 13751688	1 - 3/8	1 -11/16	5/32
HU 13751750	1 - 3/8	1 - 3/4	3/16
HU 14371750	1 - 7/16	1 - 3/4	5/32
HU 15001750	1 - 1/2	1 - 3/4	1/8
HU 15001812	1 - 1/2	1 -13/16	5/32
HU 15001875	1 - 1/2	1 - 7/8	3/16
HU 16251812	1 - 5/8	1 -13/16	3/32
HU 16251875	1 - 5/8	1 - 7/8	1/8
HU 16251937	1 - 5/8	1 -15/16	5/32
HU 16252000	1 - 5/8	2	3/16
HU 17502000	1 - 3/4	2	1/8
HU 17502062	1 - 3/4	2 - 1/16	5/32
HU 17502125	1 - 3/4	2 - 1/8	3/16
HU 18752250	1 - 7/8	2 - 1/4	3/16
HU 20002250	2	2 - 1/4	1/8
HU 20002375	2	2 - 3/8	3/16
HU 21252500	2 - 1/8	2 - 1/2	3/16
HU 22502625	2 - 1/4	2 - 5/8	3/16
HU 23752750	2 - 3/8	2 - 3/4	3/16
HU 25002875	2 - 1/2	2 - 7/8	3/16
HU 25002937	2 - 1/2	2 -15/16	7/32
HU 25623000	2 - 9/16	3	7/32
HU 26253000	2 - 5/8	3	3/16
HU 26873125	2 -11/16	3 - 1/8	7/32
HU 27503125	2 - 3/4	3 - 1/8	3/16
HU 27503187	2 - 3/4	3 - 3/16	7/32
HU 28123250	2 -13/16	3 - 1/4	7/32
HU 28753250	2 - 7/8	3 - 1/4	3/16
HU 30003375	3	3 - 3/8	3/16
HU 30003437	3	3 - 7/16	7/32
HU 30623500	3 - 1/16	3 - 1/2	7/32
HU 31253500	3 - 1/8	3 - 1/2	3/16
HU 32503625	3 - 1/4	3 - 5/8	3/16
HU 33123750	3 - 5/16	3 - 3/4	7/32
HU 33753750	3 - 3/8	3 - 3/4	3/16
HU 35003875	3 - 1/2	3 - 7/8	3/16
HU 35624000	3 - 9/16	4	7/32
HU 36254000	3 - 5/8	4	3/16
HU 47505000	4 - 3/4	5	1/8
HU 62506500	6 - 1/4	6 - 1/2	1/8

Metric

Part Number	Machine Dimensions
Part Number	I.D.	O.D.	Height
MHU 4104	4.00	10.00	4.00
MHU 4124	4.00	12.00	4.00
MHU 5125	5.00	12.00	5.00
MHU 6124	6.00	12.00	4.00
MHU 6126	6.00	12.00	6.00
MHU 6155	6.00	15.00	5.00
MHU 7134	7.00	13.00	4.00
MHU 8166	8.00	16.00	6.00
MHU 1013623	10.00	13.60	2.30
MHU 10164	10.00	16.00	4.00
MHU 10188	10.00	18.00	8.00
MHU 10205	10.00	20.00	5.00
MHU 10208	10.00	20.00	8.00
MHU 12184	12.00	18.00	4.00
MHU 12185	12.00	18.00	5.00
MHU 14205	14.00	20.00	5.00
MHU 14226	14.00	22.00	6.00
MHU 15224	15.00	22.00	4.00
MHU 153010	15.00	30.00	10.00
MHU 16245	16.00	24.00	5.00
MHU 162455	16.00	24.00	5.50
MHU 162465	16.00	24.00	6.50
MHU 16268	16.00	26.00	8.00
MHU 18244	18.00	24.00	4.00
MHU 18306	18.00	30.00	6.00
MHU 20284	20.00	28.00	4.00
MHU 20308	20.00	30.00	8.00
MHU 203510	20.00	35.00	10.00
MHU 22305	22.00	30.00	5.00
MHU 22306	22.00	30.00	6.00
MHU 233255	23.00	32.00	5.50
MHU 243255	24.00	32.00	5.50
MHU 253351	25.00	33.00	5.10
MHU 25338	25.00	33.00	8.00
MHU 25358	25.00	35.00	8.00
MHU 25388	25.00	38.00	8.00
MHU 25406	25.00	40.00	6.00
MHU 254010	25.00	40.00	10.00
MHU 284310	28.00	43.00	10.00
MHU 30386	30.00	38.00	6.00
MHU 30407	30.00	40.00	7.00
MHU 305512	30.00	55.00	12.00
MHU 355010	35.00	50.00	10.00

Part Number	Machine Dimensions
Part Number	I.D.	O.D.	Height
MHU 36486	36.00	48.00	6.00
MHU 40505	40.00	50.00	5.00
MHU 40507	40.00	50.00	7.00
MHU 40509	40.00	50.00	9.00
MHU 40528	40.00	52.00	8.00
MHU 405510	40.00	55.00	10.00
MHU 406012	40.00	60.00	12.00
MHU 42506	42.00	50.00	6.00
MHU 456010	45.00	60.00	10.00
MHU 507010	50.00	70.00	10.00
MHU 507012	50.00	70.00	12.00
MHU 53636	53.00	63.00	6.00
MHU 557075	55.00	70.00	7.50
MHU 60738	60.00	73.00	8.00
MHU 607575	60.00	75.00	7.50
MHU 65756	65.00	75.00	6.00
MHU 70806	70.00	80.00	6.00
MHU 759510	75.00	95.00	10.00
MHU 759512	75.00	95.00	12.00
MHU 7510515	75.00	105.00	15.00
MHU 80905	80.00	90.00	5.00
MHU 8010012	80.00	100.00	12.00
MHU 8010015	80.00	100.00	15.00
MHU 8010515	80.00	105.00	15.00
MHU 821009	82.00	100.00	9.00
MHU 851009	85.00	100.00	9.00
MHU 8511012	85.00	110.00	12.00
MHU 9011512	90.00	115.00	12.00
MHU 951109	95.00	110.00	9.00
MHU 971058	97.00	105.00	8.00
MHU 10012012	100.00	120.00	12.00
MHU 11013518	110.00	135.00	18.00
MHU 12015018	120.00	150.00	18.00
MHU 155170115	155.00	170.00	11.50
MHU 17520515	175.00	205.00	15.00
MHU 18021022	180.00	210.00	22.00
MHU 18520011	185.00	200.00	11.00
MHU 20022015	200.00	220.00	15.00
MHU 20023022	200.00	230.00	22.00
MHU 24028020	240.00	280.00	20.00
MHU 30033022	300.00	330.00	22.00
MHU 58062020	580.00	620.00	20.00