
GAUGE CRYSTALS
INSIST ON G-S – THE ORIGINAL – STILL THE BEST
G-S stocks flat and domed gauge crystals in many diameters, which are used as replacement crystals when an instrument is being repaired and/or calibrated.
Click here to view a list of popular gauge and instrument brands and models and their corresponding G-S crystals.
A sampling of these popular brands are:
Chicago Dial
Standard
Federal
Starrett
Ames
Interapid
Brown & Sharpe
Mitutoyo
If your gauge or instrument does not appear on this list, please call or email us with the diameter required (preferably in millimeters). We can supply a flat window (W style) or a domed (PKH style) window to fit your instrument. The chart below lists standard W style windows that are stocked in our warehouse.
STOCK “W” MICON ROUND, FLAT WINDOWS PDF
“W” style crystals not in stock may be ordered in industrial quantities. Minimum quantities and setup charges may apply. Please contact us for more information.
CUSTOM MANUFACTURING
See Custom Manufacturing information for more information, or contact us with your engineering drawing.
Stock windows and crystals for gauge and instrument repair:
G-S Item ID |
Description |
---|---|
PK |
Domed—Round 8.4mm to G-S size PK 37 (8.4mm to 36.2mm). Available in 1/4 sizes to PK 30 |
PKH |
Domed—Round G-S size PKH 37-1/2 to 70 (36.5mm to 57.1mm). Available in 1/2 sizes |
BS 579-2 |
Brown & Sharpe (35.4mm) |
BS 7030-3 |
Brown & Sharpe (27.6mm) |
BS 7031-3 |
Brown & Sharpe (37.2mm) |
ST 5798 |
Use low-domed mineral glass LMG 35.8 or 35.9mm |
ST 7112-Old |
ST 7112-Old style Starrett |
2228-B |
ST 7112 -New Style – Use PHD 16-3/4 |
2156 |
Ames 200—Old (55.0mm) |
2174 |
Ames 300—Old (67.8mm) |
2640 |
INT 102 (36.0mm) |
H-1 HAND INSERTER SET
The H-1 Set is used for fitting crystals and windows for dial indicators, gauges, instruments and watches.
This set includes the G-S Hand Press, 10 blocks and 6 plugs for fitting crystals by compression, for crystals ranging from 8.4mm to 50.8mm (2″). See below for a list of blocks and plugs that are included in the H-1 Set.
The blocks and plugs may also be purchased individually.
Extra large blocks and plugs may be purchased separately. Please contact us for more information.
Click here for detailed directions on how to use the G-S hand press and instructions on selecting and fitting gauge crystals.
G-S Blocks | Description | Inches | Millimeters | Use Plug Size |
---|---|---|---|---|
X007 | 11.5mm – 2-3/4 | .45” – .57” | 11.55mm – 14.4mm | HP5038 – #5 |
X008 | 3 – 10 | .58” – .75” | 14.6mm – 19.0mm | HPO5037 – #4 |
X009 | 11 – 16 | .78” – .90” | 1937mm – 22.9mm | HP5033 – #0 |
X010 | 17 – 22 | .93” – 1.05” | 23.5mm – 26.7mm | HP5036 – #3 |
X011 | 23 – 28 | 1.08” – 1.20” | 27.3mm – 30.5mm | HP5036 – #3 |
X012 | 29 – 34 | 1.23” – 1.35” | 31.1mm – 34.3mm | HP5035 – #2 |
X013 | 35 – 40 | 1.38” – 1.50” | 24.9mm – 38.1mm | HP5035 – #2 |
X014 | 41 – 46 | 1.53” – 1.65” | 38.7mm – 41.9mm | HP5034 – #1 |
X015 | 47 – 52 | 1.68” – 1.80” | 42.6mm – 45.7mm | HP5034 – #1 |
X016 | 53 – 58 | 1.83” – 1.95” | 46.4mm – 49.5mm | HP5034 – #1 |