Part Categories

Mainsprings

	Part	Factory Part Number
	Mainspring	812	Part Number: JA101 Company: Elgin Size: 18 Factory No.: 812 Alt Factory No.: Dennison Width: 20 Dennison Strength: 2 Length: 21.5 Metric Width: 2.90 Metric Strength: 0.22 End: Double Brace and Hole
	Mainspring	812	Part Number: JA103 Company: Elgin Size: 18 Factory No.: 812 Alt Factory No.: Dennison Width: 20 Dennison Strength: 1 Length: 21.5 Metric Width: 2.90 Metric Strength: 0.23 End: Double Brace and Hole
	Mainspring	817	Part Number: JA104 Company: Elgin Size: 16 Factory No.: 817 Alt Factory No.: Dennison Width: 17.5 Dennison Strength: 4.5 Length: 21.5 Metric Width: 2.65 Metric Strength: 0.185 End: Double Brace and Hole
	Mainspring	817	Part Number: JA105 Company: Elgin Size: 16 Factory No.: 817 Alt Factory No.: Dennison Width: 17.5 Dennison Strength: 3.375 Length: 21.5 Metric Width: 2.65 Metric Strength: 0.20 End: Double Brace and Hole
	Mainspring	817	Part Number: JA106 Company: Elgin Size: 16 Factory No.: 817 Alt Factory No.: Dennison Width: 17.5 Dennison Strength: 3 Length: 21.5 Metric Width: 2.65 Metric Strength: 0.205 End: Double Brace and Hole
	Mainspring	6164	Part Number: JA107 Company: Elgin Size: 16 Factory No.: 6164 Alt Factory No.: Dennison Width: 20 Dennison Strength: 4 Length: 24 Metric Width: 2.90 Metric Strength: 0.19 End: Double Brace and Hole
	Mainspring	2339	Part Number: JA110 Company: Elgin Size: 12 Factory No.: 2339 Alt Factory No.: 6093 Dennison Width: 11 Dennison Strength: 4 Length: 20 Metric Width: 2.00 Metric Strength: 0.19 End: Double Brace and Hole
	Mainspring	2874	Part Number: JA111 Company: Elgin Size: 12 Factory No.: 2874 Alt Factory No.: Dennison Width: 7 Dennison Strength: 4.5 Length: 20.25 Metric Width: 1.60 Metric Strength: 0.185 End: Double Brace and Hole
	Mainspring	824	Part Number: JA112 Company: Elgin Size: 6 Factory No.: 824 Alt Factory No.: Dennison Width: 10 Dennison Strength: 5 Length: 17.5 Metric Width: 1.90 Metric Strength: 0.18 End: Double Brace and Hole
	Mainspring	2097	Part Number: JA115 Company: Elgin Size: 0,3/0 Factory No.: 2097 Alt Factory No.: 6095 Dennison Width: 8 Dennison Strength: 8 Length: 16.5 Metric Width: 1.70 Metric Strength: 0.14 End: Double Brace and Hole
	Mainspring	2097	Part Number: JA115 Company: Elgin Size: 0,3/0 Factory No.: 2097 Alt Factory No.: 6095 Dennison Width: 8 Dennison Strength: 8 Length: 16.5 Metric Width: 1.70 Metric Strength: 0.14 End: Double Brace and Hole
	Mainspring	4789	Part Number: JA118 Company: Elgin Size: 4/0 Factory No.: 4789 Alt Factory No.: 6096 Dennison Width: 10 Dennison Strength: 10 Length: 15 Metric Width: 1.90 Metric Strength: 0.11 End: Double Brace and Hole
	Mainspring	2890	Part Number: JA120 Company: Elgin Size: 5/0,6/0 Factory No.: 2890 Alt Factory No.: 6098 Dennison Width: 3.5 Dennison Strength: 10 Length: 11.5 Metric Width: 1.25 Metric Strength: 0.115 End: Double Brace and Hole
	Mainspring	2890	Part Number: JA120 Company: Elgin Size: 5/0,6/0 Factory No.: 2890 Alt Factory No.: 6098 Dennison Width: 3.5 Dennison Strength: 10 Length: 11.5 Metric Width: 1.25 Metric Strength: 0.115 End: Double Brace and Hole
	Mainspring	5219	Part Number: JA122 Company: Elgin Size: 8/0 Factory No.: 5219 Alt Factory No.: 6002 Dennison Width: 7.5 Dennison Strength: 11 Length: 12 Metric Width: 1.65 Metric Strength: 0.10 End: Double Brace and Hole
	Mainspring	1957	Part Number: JA124 Company: Elgin Size: 10/0 Factory No.: 1957 Alt Factory No.: 6009 Dennison Width: 3.5 Dennison Strength: 9.5 Length: 9.75 Metric Width: 1.25 Metric Strength: 0.12 End: Double Brace and Hole
	Mainspring	5550	Part Number: JA126 Company: Elgin Size: 15/0 Factory No.: 5550 Alt Factory No.: 6003 Dennison Width: 4 Dennison Strength: 11 Length: 12 Metric Width: 1.27 Metric Strength: 0.10 End: Double Brace and Hole
	Mainspring	6330	Part Number: JA127 Company: Elgin Size: 19/0 Factory No.: 6330 Alt Factory No.: Dennison Width: 6.5 Dennison Strength: 13.75 Length: 11.75 Metric Width: 1.53 Metric Strength: 0.0725 End: Double Brace and Hole
	Mainspring	5015	Part Number: JA128 Company: Elgin Size: 20/0 Factory No.: 5015 Alt Factory No.: 6100 Dennison Width: 2 Dennison Strength: 12 Length: 8.5 Metric Width: 1.15 Metric Strength: 0.09 End: Double Brace and Hole
	Mainspring	5327	Part Number: JA130 Company: Elgin Size: 21/0 Factory No.: 5327 Alt Factory No.: 6004 Dennison Width: 4 Dennison Strength: 12 Length: 9.25 Metric Width: 1.27 Metric Strength: 0.09 End: Double Brace and Hole
	Mainspring	6246	Part Number: JA131 Company: Elgin Size: 21/0 Factory No.: 6246 Alt Factory No.: Dennison Width: 6.5 Dennison Strength: 13.75 Length: 9.5 Metric Width: 1.53 Metric Strength: 0.0725 End: Double Brace and Hole