Elgin Grade 27 Parts

Arbors

	Part	Factory Part Number
	Arbors: Barrel	189
	Arbors: Pallet	5

Cams

	Part	Factory Part Number
	Cams: Setting	42

Clutches

	Part	Factory Part Number
	Clutches: Setting	25

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	1335
	Jewels: Escape: Hole: Lower	481
	Jewels: Escape: Hole: Upper	1365
	Jewels: Fourth: Lower	505
	Jewels: Fourth: Upper	1387
	Jewels: Pallet Jewel	546
	Jewels: Pallet: Hole: Lower	2247
	Jewels: Pallet: Hole: Upper	1410
	Jewels: Roller Jewel	559
	Jewels: Third: Lower	533
	Jewels: Third: Upper	1422

Levers

	Part	Factory Part Number
	Levers: Setting	43

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	49
	Pinions: Cannon	28
	Pinions: Center	652
	Pinions: Escape	672
	Pinions: Fourth	7
	Pinions: Third	6

Pivot

	Part	Factory Part Number
	Pivot: Bevel Pinion	29

Rollers

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

Screws

	Part	Factory Part Number
	Screws: Arm Vibrating	885
	Screws: Balance	886
	Screws: Banking	889
	Screws: Bridge: Winding: Long	896
	Screws: Bridge: Winding: Short	897
	Screws: Cam Setting	916
	Screws: Cap Bridge	899
	Screws: Cap Ratchet	901	Long
	Screws: Cap Ratchet	902	Short
	Screws: Case	903
	Screws: Clutch Setting	907
	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	914
	Screws: Jewel: Escape: Upper	914
	Screws: Jewel: Fourth: Upper	914
	Screws: Jewel: Pallet: Upper	914
	Screws: Jewel: Third: Upper	914
	Screws: Lever: Setting	916
	Screws: Main	34
	Screws: Pillar	921
	Screws: Potance	922
	Screws: Spring: Click	910
	Screws: Spring: Setting	910
	Screws: Stop: Lever	913
	Screws: Stud Hair Spring	934

Springs

	Part	Factory Part Number
	Springs: Click	112
	Springs: Hairspring	791	Strength: 2
	Springs: Mainspring	812	Strength: .00875
	Springs: Setting	44

Staff

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

Stop Works

	Part	Factory Part Number
	Stop Works: Female	11
	Stop Works: Male	11

Studs

	Part	Factory Part Number
	Studs: Hair Spring	843

Uncategorized

	Part	Factory Part Number
	Arm Vibrating	35
	Balance	236
	Balance Complete	4046
	Band Dust	254
	Barrel	267
	Click	24
	Dial	18s
	Fork	1
	Index	432
	Regulator	720
	Ring Friction	31

Wheels

	Part	Factory Part Number
	Wheels: Center	943
	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	1022
	Wheels: Hour	40
	Wheels: Intermediate: Winding	38
	Wheels: Main	113
	Wheels: Minute	1055
	Wheels: Ratchet	39
	Wheels: Ring	37
	Wheels: Third	1075
	Wheels: Third and Pinion	1089