Elgin Grade 390 Parts

Arbors

	Part	Factory Part Number
	Arbors: Barrel	1757
	Arbors: Pallet	1762
	Arbors: Winding	1772

Bushings

	Part	Factory Part Number
	Bushings: Barrel Arbor	1887

Clamps

	Part	Factory Part Number
	Clamps: Ratchet Wheel	1792	Finish: C
	Clamps: Setting Wheel	2569

Clutches

	Part	Factory Part Number
	Clutches: Wind and Setting	1806

Collets

	Part	Factory Part Number
	Collets: Hair Spring	1811

Hands

	Part	Factory Part Number
	Hands: Hour and Minute	18s
	Hands: Second	18s

Hubs

	Part	Factory Part Number
	Hubs: Barrel	1820
	Hubs: Barrel Arbor	1816

Jewels

	Part	Factory Part Number
	Jewels: Balance: Cap: Lower	1350
	Jewels: Balance: Cap: Upper	2087
	Jewels: Balance: Hole: Lower	2580
	Jewels: Balance: Hole: Upper	2580
	Jewels: Center: Lower	2089
	Jewels: Center: Upper	2090
	Jewels: Escape: Cap: Lower	1360
	Jewels: Escape: Cap: Upper	2088
	Jewels: Escape: Hole: Lower	1380
	Jewels: Escape: Hole: Upper	2091
	Jewels: Fourth: Lower	1402
	Jewels: Fourth: Upper	2092
	Jewels: Pallet Jewel	546
	Jewels: Pallet: Cap: Lower	2200
	Jewels: Pallet: Cap: Upper	2203
	Jewels: Pallet: Hole: Lower	2249
	Jewels: Pallet: Hole: Upper	2093
	Jewels: Roller Jewel	2075	Double Roller
	Jewels: Third: Lower	1435
	Jewels: Third: Upper	2094

Levers

	Part	Factory Part Number
	Levers: Clutch	1826
	Levers: Setting	1831

Nuts

	Part	Factory Part Number
	Nuts: Center: Wheel	1835
	Nuts: Mean Time	2792
	Nuts: Regulator	579
	Nuts: Regulator Nut and Screw	1837

Pallets

	Part	Factory Part Number
	Pallets: And Fork With Stones	2676
	Pallets: Fork and Arbor with Stones	2684
	Pallets: With Stones	2675

Pinions

	Part	Factory Part Number
	Pinions: Bevel	1850
	Pinions: Cannon	1855
	Pinions: Center	1858
	Pinions: Escape	1864
	Pinions: Fourth	1870
	Pinions: Third	1877

Rollers

	Part	Factory Part Number
	Rollers: Safety	1888
	Rollers: Table: With Pin	2382
	Rollers: Table: Without Pin	1884

Screws

	Part	Factory Part Number
	Screws: Balance	2042
	Screws: Banking	2306
	Screws: Bridge: Barrel	2036
	Screws: Bridge: Pallet	2037
	Screws: Case	2034
	Screws: Clamp: Ratchet Wheel	2621
	Screws: Clamp: Setting Wheel	2038
	Screws: Click	2292
	Screws: Cock: Balance	2036
	Screws: Dial Foot	2039
	Screws: Hub Barrel	2429
	Screws: Index	910
	Screws: Jewel: Balance: Lower	913
	Screws: Jewel: Balance: Upper	2023
	Screws: Jewel: Center: Lower	2023
	Screws: Jewel: Center: Upper	2023
	Screws: Jewel: Escape: Lower	913
	Screws: Jewel: Escape: Upper	913
	Screws: Jewel: Fourth: Upper	913
	Screws: Jewel: Pallet: Clamp Upper	1994
	Screws: Jewel: Pallet: Lower	913
	Screws: Jewel: Third: Upper	2023
	Screws: Lever: Clutch	1996
	Screws: Lever: Setting	898
	Screws: Main	2041
	Screws: Plate Top	2035
	Screws: Spring: Click	1615
	Screws: Spring: Clutch Lever	1615
	Screws: Spring: Setting Lever	1603
	Screws: Stud Hair Spring	934

Springs

	Part	Factory Part Number
	Springs: Click	1896
	Springs: Hairspring	1958	Strength: 1
	Springs: Lever: Clutch	1894
	Springs: Lever: Setting	1900
	Springs: Mainspring	1956	Strength: .007
	Springs: Regulator	2658

Staff

	Part	Factory Part Number
	Staff: Balance	1901	Combination Roller note: See notes on Balance Staffs in Special Information Section.

Studs

	Part	Factory Part Number
	Studs: Hair Spring	1916
	Studs: Mean Time	2790

Uncategorized

	Part	Factory Part Number
	Balance	1779
	Balance Complete	4061
	Band Dust	1740
	Barrel	1782
	Barrel Hub and Screw	1969
	Click	1801	Finish: A-5
	Dial	18s 3/4
	Fork	1814
	Index	1823
	Regulator	2644

Washers

	Part	Factory Part Number
	Washers: Center Pinion	1923
	Washers: Main Screw	1919	Finish: C

Wheels

	Part	Factory Part Number
	Wheels: Center	1926
	Wheels: Center Complete	1972
	Wheels: Escape	2168	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	1976	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: First	1932
	Wheels: Fourth	2081
	Wheels: Fourth and Pinion	1983
	Wheels: Hour	1935
	Wheels: Main	1941	Finish: A-19
	Wheels: Minute	1945
	Wheels: Ratchet	1950	Finish: A-19
	Wheels: Setting	1939
	Wheels: Third	1948
	Wheels: Third and Pinion	1988