Elgin Grade 340 Parts

Arbors

	Part	Factory Part Number
	Arbors: Barrel	1301
	Arbors: Pallet	214
	Arbors: Winding	1773

Cams

	Part	Factory Part Number
	Cams: Setting	1313
	Cams: Setting Spring	1314

Clamps

	Part	Factory Part Number
	Clamps: Minute Wheel	1315

Clutches

	Part	Factory Part Number
	Clutches: Wind and Setting	1807

Collets

	Part	Factory Part Number
	Collets: Hair Spring	1318

Hands

	Part	Factory Part Number
	Hands: Hour and Minute	16s
	Hands: Second	16s

Jewels

	Part	Factory Part Number
	Jewels: Balance: Cap: Lower	1350
	Jewels: Balance: Cap: Upper	2192
	Jewels: Balance: Hole: Lower	447
	Jewels: Balance: Hole: Upper	447
	Jewels: Center: Lower	1343
	Jewels: Center: Upper	2209
	Jewels: Escape: Hole: Lower	486
	Jewels: Escape: Hole: Upper	1368
	Jewels: Fourth: Lower	510
	Jewels: Fourth: Upper	1390
	Jewels: Pallet Jewel	546
	Jewels: Pallet: Hole: Lower	2426
	Jewels: Pallet: Hole: Upper	2263
	Jewels: Roller Jewel	559
	Jewels: Third: Lower	538
	Jewels: Third: Upper	1425

Levers

	Part	Factory Part Number
	Levers: Clutch	1441
	Levers: Setting	1443

Nuts

	Part	Factory Part Number
	Nuts: Regulator	1446
	Nuts: Regulator Nut and Screw	1447

Pallets

	Part	Factory Part Number
	Pallets: And Fork With Stones	596
	Pallets: Fork and Arbor with Stones	621
	Pallets: With Stones	2

Pinions

	Part	Factory Part Number
	Pinions: Bevel	1851
	Pinions: Cannon	1457
	Pinions: Center	660
	Pinions: Escape	1461
	Pinions: Fourth	691
	Pinions: Third	703

Rollers

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

Screws

	Part	Factory Part Number
	Screws: Balance	1568
	Screws: Banking	2302
	Screws: Bridge: Barrel	1584
	Screws: Bridge: Pallet	894
	Screws: Cam Setting Spring	1599
	Screws: Case	1591
	Screws: Clamp: Minute Wheel	926
	Screws: Click	1601
	Screws: Cock: Balance	1584
	Screws: Dial Foot	2438
	Screws: Index	1603
	Screws: Jewel: Balance: Lower	913
	Screws: Jewel: Balance: Upper	913
	Screws: Jewel: Center: Lower	913
	Screws: Jewel: Center: Upper	1606
	Screws: Jewel: Escape: Upper	1604
	Screws: Jewel: Fourth: Upper	1604
	Screws: Jewel: Third: Upper	1607
	Screws: Lever: Clutch	1996
	Screws: Lever: Setting	1601
	Screws: Main	1610
	Screws: Plate Top	1584
	Screws: Spring: Click	1615
	Screws: Spring: Setting	1618
	Screws: Stud Hair Spring	934
	Screws: Wheel: Ratchet	1601

Sleeves

	Part	Factory Part Number
	Sleeves: Arbor Winding	1912

Springs

	Part	Factory Part Number
	Springs: Click	1896
	Springs: Hairspring	796	Strength: 3
	Springs: Mainspring	817	Strength: .00775
	Springs: Setting	1478

Staff

	Part	Factory Part Number
	Staff: Balance	861	note: See notes on Balance Staffs in Special Information Section.
	Staff: Center	1482

Studs

	Part	Factory Part Number
	Studs: Hair Spring	1480

Uncategorized

	Part	Factory Part Number
	Balance	242
	Balance Complete	4071
	Band Dust	2554
	Barrel	275
	Click	1802	Finish: C-3
	Dial	16s
	Fork	1
	Index	4356
	Regulator	729

Washers

	Part	Factory Part Number
	Washers: Main Screw	1484	Finish: C
	Washers: Staff Center	1554

Wheels

	Part	Factory Part Number
	Wheels: Center	2336
	Wheels: Center Complete	2158
	Wheels: Escape	985	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	1493	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	1019
	Wheels: Fourth and Pinion	1030
	Wheels: Hour	1496
	Wheels: Main	1498	Finish: C-2
	Wheels: Minute	1499
	Wheels: Ratchet	1501	Finish: C-4
	Wheels: Third	1086
	Wheels: Third and Pinion	1097