Elgin Grade 279 Parts

Arbors

	Part	Factory Part Number
	Arbors: Barrel	190
	Arbors: Pallet	5

Cams

	Part	Factory Part Number
	Cams: Setting	174

Collets

	Part	Factory Part Number
	Collets: Hair Spring	352

Hands

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

Jewels

	Part	Factory Part Number
	Jewels: Balance: Cap: Lower	1348
	Jewels: Balance: Cap: Upper	2191
	Jewels: Balance: Hole: Lower	443
	Jewels: Balance: Hole: Upper	443
	Jewels: Center: Lower	1341
	Jewels: Center: Upper	2209
	Jewels: Escape: Hole: Lower	2219
	Jewels: Escape: Hole: Upper	2226
	Jewels: Fourth: Lower	2233
	Jewels: Fourth: Upper	2239
	Jewels: Pallet Jewel	546
	Jewels: Pallet: Hole: Lower	2248
	Jewels: Pallet: Hole: Upper	2259
	Jewels: Roller Jewel	559
	Jewels: Third: Lower	2269
	Jewels: Third: Upper	1422

Levers

	Part	Factory Part Number
	Levers: Setting	171

Nuts

	Part	Factory Part Number
	Nuts: Regulator	579
	Nuts: Regulator Nut and Screw	584

Pallets

	Part	Factory Part Number
	Pallets: And Fork With Stones	596
	Pallets: Fork and Arbor with Stones	615
	Pallets: With Stones	2

Pinions

	Part	Factory Part Number
	Pinions: Bevel	178
	Pinions: Cannon	180
	Pinions: Center	652
	Pinions: Escape	672
	Pinions: Fourth	182
	Pinions: Third	1876

Pins

	Part	Factory Part Number
	Pins: Bevel Pinion	179

Rollers

	Part	Factory Part Number
	Rollers: Table: With Pin	2068
	Rollers: Table: Without Pin	749

Screws

	Part	Factory Part Number
	Screws: Balance	887
	Screws: Banking	2301
	Screws: Bridge: Barrel	893
	Screws: Cam Setting	898
	Screws: Case	903
	Screws: Cock: Balance	908
	Screws: Dial Foot	911
	Screws: Index	912
	Screws: Jewel: Balance: Lower	913
	Screws: Jewel: Balance: Upper	913
	Screws: Jewel: Center: Upper	913
	Screws: Jewel: Escape: Upper	913
	Screws: Jewel: Fourth: Upper	913
	Screws: Jewel: Pallet: Upper	913
	Screws: Jewel: Third: Upper	913
	Screws: Lever: Setting	1608
	Screws: Main	184
	Screws: Pillar	921
	Screws: Pillar	1612
	Screws: Potance	922
	Screws: Spring: Cam	898
	Screws: Spring: Click	910
	Screws: Spring: Setting	928
	Screws: Spring: Vibrating Arm	913
	Screws: Stud Hair Spring	934

Springs

	Part	Factory Part Number
	Springs: Arm Vibrating	183
	Springs: Cam	173
	Springs: Click	2355
	Springs: Hairspring	791	Strength: 2
	Springs: Mainspring	812	Strength: .00875
	Springs: Setting	129

Staff

	Part	Factory Part Number
	Staff: Balance	857	Combination Roller note: See notes on Balance Staffs in Special Information Section.
	Staff: Center	2357

Studs

	Part	Factory Part Number
	Studs: Hair Spring	843

Uncategorized

	Part	Factory Part Number
	Arm Vibrating	172
	Balance	236
	Balance Complete	4047
	Band Dust	2141
	Barrel	269
	Click	2356
	Dial	18s
	Fork	1
	Index	1544
	Regulator	720

Washers

	Part	Factory Part Number
	Washers: Main Screw	185
	Washers: Staff Center	1553

Wheels

	Part	Factory Part Number
	Wheels: Center	2296
	Wheels: Center Complete	2157
	Wheels: Escape	981	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	994	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	1008
	Wheels: Fourth and Pinion	1024
	Wheels: Hour	186
	Wheels: Intermediate: Winding	177
	Wheels: Main	175
	Wheels: Minute	187
	Wheels: Ratchet	1064
	Wheels: Setting	176
	Wheels: Third	1077
	Wheels: Third and Pinion	1091