Elgin Grade 310 Parts

Arbors

	Part	Factory Part Number
	Arbors: Barrel	1715
	Arbors: Pallet	2310
	Arbors: Winding	1774

Cams

	Part	Factory Part Number
	Cams: Setting	1719
	Cams: Setting Spring	1789

Clamps

	Part	Factory Part Number
	Clamps: Minute Wheel	2099

Clutches

	Part	Factory Part Number
	Clutches: Wind and Setting	1808

Collets

	Part	Factory Part Number
	Collets: Hair Spring	2572

Hands

	Part	Factory Part Number
	Hands: Hour and Minute	12s
	Hands: Second	12s

Jewels

	Part	Factory Part Number
	Jewels: Balance: Cap: Lower	466
	Jewels: Balance: Cap: Upper	2193
	Jewels: Balance: Hole: Lower	453
	Jewels: Balance: Hole: Lower	4806
	Jewels: Balance: Hole: Upper	453
	Jewels: Pallet Jewel	556
	Jewels: Roller Jewel	570
	Jewels: Roller Jewel	570	Combination Roller

Levers

	Part	Factory Part Number
	Levers: Clutch	1827
	Levers: Setting	1832

Pallets

	Part	Factory Part Number
	Pallets: And Fork With Stones	2589
	Pallets: And Fork With Stones	2865
	Pallets: Fork and Arbor with Stones	2985
	Pallets: Fork and Arbor with Stones	2803

Pinions

	Part	Factory Part Number
	Pinions: Bevel	1852
	Pinions: Cannon	1856
	Pinions: Center	1717
	Pinions: Escape	1867
	Pinions: Fourth	1871
	Pinions: Third	1878

Rollers

	Part	Factory Part Number
	Rollers: Combination: With Pin	2872
	Rollers: Combination: Without Pin	2869
	Rollers: Table: With Pin	2432
	Rollers: Table: Without Pin	759

Screws

	Part	Factory Part Number
	Screws: Balance	1997
	Screws: Banking	2833
	Screws: Bridge: Barrel	1999
	Screws: Bridge: Pallet	2000
	Screws: Cam Setting Spring	2002
	Screws: Case	1998
	Screws: Clamp: Minute Wheel	2023
	Screws: Click	2003
	Screws: Cock: Balance	1999
	Screws: Dial Foot	2438
	Screws: Jewel: Balance: Lower	2006
	Screws: Jewel: Balance: Upper	1604
	Screws: Lever: Clutch	1722
	Screws: Lever: Setting	1722
	Screws: Main	2007
	Screws: Plate Top	1999
	Screws: Spring: Click	2004
	Screws: Spring: Setting	2001
	Screws: Stop: Setting Cam	1721
	Screws: Stop: Setting Cam	2607
	Screws: Stud Hair Spring	1620
	Screws: Wheel: Ratchet	2613

Sleeves

	Part	Factory Part Number
	Sleeves: Arbor Winding	1913

Springs

	Part	Factory Part Number
	Springs: Click	1897
	Springs: Hairspring	1959	Strength: 2
	Springs: Mainspring	1720	Strength: .0075, .00775
	Springs: Mainspring	2339
	Springs: Setting	1909
	Springs: Setting	1908

Staff

	Part	Factory Part Number
	Staff: Balance	1905	note: See notes on Balance Staffs in Special Information Section.
	Staff: Balance	2802	note: See notes on Balance Staffs in Special Information Section.
	Staff: Center	1716

Studs

	Part	Factory Part Number
	Studs: Hair Spring	1917

Uncategorized

	Part	Factory Part Number
	Balance	1780
	Balance Complete	4090
	Balance Complete	4095
	Band Dust	2098
	Barrel	2100
	Barrel	2177
	Click	1803	Finish: G-1
	Dial	12s
	Regulator	2119

Washers

	Part	Factory Part Number
	Washers: Main Screw	1920	Finish: G
	Washers: Staff Center	1555

Wheels

	Part	Factory Part Number
	Wheels: Center	1927
	Wheels: Center Complete	2112
	Wheels: Escape	1490	note: Two diameters of escape wheels have been made in 18, 16, and 6 sizes. The larger being known as New Style (N.S.) which will be supplied unless Old Style (O.S.) is ordered.
	Wheels: Escape and Pinion	1978	note: Two diameters of escape wheels have been made in 18, 16, and 6 sizes. The larger being known as New Style (N.S.) which will be supplied unless Old Style (O.S.) is ordered.
	Wheels: Fourth	1930
	Wheels: Fourth and Pinion	1984
	Wheels: Hour	1936
	Wheels: Main	1942	Finish: A-22
	Wheels: Minute	1946
	Wheels: Ratchet	1718	Finish: A-21
	Wheels: Third	1965
	Wheels: Third and Pinion	1989