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Item #

Size

Description

In Stock

Price

Buy

NY
Standard

NYPM400

18s

18s Mainspring Factory # 925
width in mm .290, strength in mm 0.21
length inches 20 1/2 hole end

Yes

$25.00

NY
Standard

NYPM401

18s

18s Mainspring Factory # 2189
width in mm .290, strength in mm 0.21
length inches 20 1/2 hole end

Yes

$25.00

NY
Standard

NYPM402

18s

18s Mainspring Factory # 2190
width in mm .290, strength in mm 0.21
length inches 20 1/2 hole end

Yes

$25.00

NY
Standard

NYPM403

16s

16s Mainspring Factory # 3196
width in mm .250, strength in mm 0.20
length inches 20 1/2 hole end

Yes

$25.00

NY
Standard

NYPM404

16s

16s Mainspring Factory # 1731
width in mm .230, strength in mm 0.215
length inches 20 1/2 hole end

Yes

$25.00

NY
Standard

NYPM405

16s

16s Mainspring Factory # 822
width in mm .270, strength in mm 0.205
length inches 20 1/2 hole end

Yes

$25.00

NY
Standard

NYPM406

12s

12s Mainspring Factory # 3547A
width in mm 1.85, strength in mm 0.18
length inches 18 1/2 DB &H end

Yes

$25.00

NY
Standard

NYPM407

12s

12s Mainspring Factory # 4144
width in mm .190, strength in mm 0.21
length inches 18 1/2 T end

Yes

$25.00

NY
Standard

NYPM408

12s

12s Mainspring Factory # 1322
width in mm .200, strength in mm 0.18
length inches 18 1/2 T end

Yes

$25.00

NY
Standard

NYPM409

12s

12s Mainspring Factory # 4284
width in mm .180, strength in mm 0.19
length inches 17 1/2 hole end

Yes

$25.00

NY
Standard

NYPM410

10s

10s Mainspring Factory # 7080
width in mm .150, strength in mm 0.19
length inches 17, hole end

Yes

$25.00

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