Crosby McKissick 380 Series Crane / Hook Blocks, Options 1 - 8 Sheave - Range from 5000kg to 300,000kg

McKissick Crane / Hook Blocks.

All single point shank hooks are genuine Crosby®, forged alloy steel, Quenched and Tempered, and have the patented QUIC-CHECK markings (Duplex hooks are available on most sizes). All 380 Blocks are furnished standard with Roller Bearings.

• Reeving Guides Standard - All Models.
• Blocks through 25 tons use 319N Style Hooks with S-4320 latches.
• Sheave lubrication through center pin - Separate lube channel to each bearing.
• Sheaves fully protected by side plates.
• Dual action hook (Swings and Rotates).
• Repair parts available through world wide distribution network.
• Design Factor of 4 to 1 ( unless otherwise noted).
• Manufactured by an ISO 9001 and API Q1 certified facility.
• All 380 blocks, 16" and larger, are furnished with McKissick® Roll-Forged^™ sheaves with flame hardened grooves.
• Look for the Orange Hook...the mark of genuine McKissick^{™ ®} quality.

Available Options:

• Bronze Bushed Sheaves
• Duplex Hooks
• Swivel Tee and Shackle Assemblies
• Sheave Shrouds
• Anti Rotation - Locking Device (75 tons & larger).
• Plate Steel Cheek Weights
• Third party testing with Certification available upon request.

Dead End Chart

Wire Rope Size (mm)	Wire Rope Size (in.)	Dimensions
		T Thickness (mm)	U Hole Dia. (mm)	T Thickness (in.)	U Hole Dia. (in.)	McKissick US-422/US-422T Utility Socket
						Stock No.	Size (Metric)	Size (Imperial)
11	7/16	25.4	32.5	1.00	1.28	1044309+	US4 11	US4 7/16
13	1/2	25.4	32.5	1.00	1.28	1044318+	US4 13	US4 1/2
14	9/16	25.4	32.5	1.00	1.28	1044336+	US5 14	US5 9/16
16	5/8	25.4	32.5	1.00	1.28	1044345+	US5 16	US5 5/8
19	3/4	31.8	42.2	1.25	1.66	1044363+	US6 19	US6 3/4
22	7/8	31.8	42.2	1.25	1.66	1038580	US7 22	US7 7/8
25	1	31.8	42.2	1.25	1.66	1044417+	US8 25	US8 1
28	1-1/8	44.5	65.0	1.75	2.56	1044426+	US10 28	US10 1-1/8
32	1-1/4	44.5	65.0	1.75	2.56	1044435+	US10 32	US10 1-1/4

Standard Wire Line Sizes for McKissick 380 Utility Crane Blocks

Sheave Diameter (in.)	Wire Line Size (in.)
	7/16	1/2	9/16	5/8	3/4	7/8	1	1 1/8	1 1/4
10	.	.	.	.	.	.	.	.	.
12	.	.	.	.	.	.	.	.	.
14	.	.	.	.	.	.	.	.	.
16	.	.	.	.	.	.	.	.	.
18	.	.	.	.	.	.	.	.	.
20	.	.	.	.	.	.	.	.	.
24	.	.	.	.	.	.	.	.	.

*For additional wire rope sizes please contact our sales team.

Dimensional Specifications

Thickness (E) shown is for blocks containing cheek weights (Light Medium - LM, Medium - M, and Heavy - H).

The thickness (E) for non weighted blocks (Light - L) is measured over side plates.

Key to McKissick Utility Crane Block Model Numbers

Example 1: M15D14M = 15 ton (rated at 13.6 metric tonnes), Double sheave (two sheaves), 14 Sheave nominal O.D. and Medium block weight.

Example 2: M100SX18H = 100 ton (rated at 90 metric tonnes), Six sheave, 18 Sheave nominal O.D. and Heavy block weight.

M	10	S		10	L
McKissick Utility Crane Blocks.	Working Load Limit (Tons)	Number of Sheaves		Sheave Nominal O.D..	Block Weight
		S=1 D=2 T=3 Q=4	QN=5 SX=6 SV=7 OCT=8		L = Light (No Cheek Weight) LM = Light Med. M = Medium H = Heavy

Dimensional Images

McKissick 380 Series Crane / Hook Blocks

Capacity 5t 10t 15t 20t 25t 30t 35t 40t 45t 50t 55t 60t 65t 70t 75t 80t 90t 100t 115t 125t 130t 140t 150t 165t 200t 225t 250t 275t 300t

Part N°	Model No.	Working Load Limit (Tons) â€Â	A Overall Length (in)	B Net Length (in.)	E Thickness (in.)	F Width (in.)	Throat Opening With Flapper (in.)	J Hook Thickness (in.)	K Hook Width (in.)	Standard Wire Line Sizes (in.)*	T Thickness (in.)	U Pin Hole (in.)	weight each	Sale Price	Quantity	In-Stock
2515-T2898 2011004	M5S10L	5	31.03	24.84	5.34	14	1.91	2.59	1.94	7/16,1/2,9/16,5/8	1.13	1.41	140	Quote Required
2515-T2899 2011013	M5S10M	5	31.03	24.84	8.53	14	1.91	2.59	1.94	7/16,1/2,9/16,5/8	1.13	1.41	200	Quote Required
2515-T2900 2011022	M5S12L	5	32.88	26.59	5.34	16	1.91	2.59	1.94	1/2,9/16,5/8,3/4	1.13	1.41	142	Quote Required
2515-T2901 2011031	M5S12M	5	32.88	26.59	9.84	16	1.91	2.59	1.94	1/2,9/16,5/8,3/4	1.13	1.41	270	Quote Required
2515-T2902 2011036	M5S12H	5	32.88	26.59	13.84	16	1.91	2.59	1.94	1/2,9/16,5/8,3/4	1.13	1.41	400	Quote Required
2515-T2903 2011037	M5D10L	5	27.44	24.84	5.34	14	1.91	2.59	1.94	7/16,1/2,9/16,5/8	-	-	161	Quote Required
2515-T2904 2011038	M5D10M	5	27.44	24.84	8.53	14	1.91	2.59	1.94	7/16,1/2,9/16,5/8	-	-	223	Quote Required
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