Elgin Grade 428 Parts

Arbors

	Part	Factory Part Number
	Arbors: Barrel	4152
	Arbors: Pallet	2550
	Arbors: Winding	4213

Clamps

	Part	Factory Part Number
	Clamps: Minute Wheel	4159
	Clamps: Setting Wheel	4159

Clutches

	Part	Factory Part Number
	Clutches: Wind and Setting	4121

Collets

	Part	Factory Part Number
	Collets: Hair Spring	2744

Hands

	Part	Factory Part Number
	Hands: Hour and Minute	6/0s
	Hands: Second	6/0s

Jewels

	Part	Factory Part Number
	Jewels: Balance: Cap: Lower	2190
	Jewels: Balance: Cap: Upper	2196
	Jewels: Balance: Hole: Lower	2189
	Jewels: Balance: Hole: Upper	2189
	Jewels: Escape: Hole: Lower	2938
	Jewels: Escape: Hole: Upper	2232
	Jewels: Fourth: Lower	2930
	Jewels: Fourth: Upper	2245
	Jewels: Pallet Jewel	2151
	Jewels: Pallet: Hole: Lower	2943
	Jewels: Pallet: Hole: Upper	2937
	Jewels: Roller Jewel	2150	Combination Roller
	Jewels: Third: Lower	2933
	Jewels: Third: Upper	2281

Levers

	Part	Factory Part Number
	Levers: Clutch	4122
	Levers: Clutch	4427
	Levers: Setting	4721

Pallets

	Part	Factory Part Number
	Pallets: And Fork With Stones	2683
	Pallets: Fork and Arbor with Stones	2691

Pinions

	Part	Factory Part Number
	Pinions: Bevel	4124
	Pinions: Cannon	4531
	Pinions: Center	2955
	Pinions: Escape	1869
	Pinions: Fourth	4163
	Pinions: Third	1881

Rollers

	Part	Factory Part Number
	Rollers: Combination: With Pin	2699
	Rollers: Combination: Without Pin	2653

Screws

	Part	Factory Part Number
	Screws: Balance	2729
	Screws: Banking	2027
	Screws: Bridge: Barrel	2030
	Screws: Bridge: Pallet	2031
	Screws: Case	2029
	Screws: Clamp: Minute Wheel	2047
	Screws: Clamp: Setting Wheel	2047
	Screws: Click	2045
	Screws: Cock: Balance	2030
	Screws: Dial Foot	2441
	Screws: Jewel: Balance: Lower	2286
	Screws: Jewel: Balance: Upper	2048
	Screws: Jewel: Escape: Upper	2286
	Screws: Jewel: Fourth: Upper	2286
	Screws: Jewel: Third: Upper	2286
	Screws: Lever: Clutch	4429
	Screws: Lever: Setting	2954
	Screws: Main	2953
	Screws: Plate Top	2030
	Screws: Spring: Click	2046
	Screws: Stud Hair Spring	2948
	Screws: Wheel: Ratchet	2033

Springs

	Part	Factory Part Number
	Springs: Click	1899
	Springs: Hairspring	4129	Strength: 2
	Springs: Mainspring	2890	Strength: .0045

Staff

	Part	Factory Part Number
	Staff: Balance	4136	note: See notes on Balance Staffs in Special Information Section.
	Staff: Center	4530

Studs

	Part	Factory Part Number
	Studs: Hair Spring	4167

Uncategorized

	Part	Factory Part Number
	Balance	2552
	Balance Complete	4175
	Barrel	4158
	Click	4132	Finish: A-17
	Dial	6/0s
	Regulator	4165

Washers

	Part	Factory Part Number
	Washers: Main Screw	4128	Finish: A-9
	Washers: Staff Center	2808

Wheels

	Part	Factory Part Number
	Wheels: Center	2810
	Wheels: Center Complete	4533
	Wheels: Escape	1955	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	2069	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	1931
	Wheels: Fourth and Pinion	4172
	Wheels: Hour	4532
	Wheels: Intermediate: Setting	2720
	Wheels: Intermediate: Setting	4672
	Wheels: Main	4168	Finish: A-14
	Wheels: Minute	1947
	Wheels: Ratchet	4169	Finish: A-15
	Wheels: Setting	1954
	Wheels: Setting	4408
	Wheels: Third	1949
	Wheels: Third and Pinion	2124