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2364 South US Hwy
231 | Ozark, AL 36360 - USA
T: 334-774-3584 | F: 334-774-7083
info@walthamclocks.com |
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A13A/L
- P/N 400236 -
Mechanical Movement Eight-Day Chronograph |
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- A13A/L P/N:
400236
- Weight: 10
ounces maximum
- Dial Diameter:
1 7/8 inches flat black
- Connector/Power
Supply: 67-02E12-60P/5 Volt AC or DC
- Lighting: Red
MIL-L-25467
- Spec No:
MIL-C-6499 (MOD)
- NSN:
6645-00-353-6659
- Developed for
Grumman LAW Drawing 1285CAV117
With one-hour
elapsed time feature and sweep hand. The start, stop and flyback of
second and minute hands does not disturb time of day. The lever for
adjusting rate is accessible without removing the clock movement
from its case. Clocks contain an unbreakable, anti-magnetic cobalt
alloy mainspring and an anti-magnetic temperature compensated
hairspring to ensure accuracy. Mechanical clocks are stand-alone,
time –keeping instruments which are not affected by environmental
extremes or system failure.
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- Waltham clocks
can be provided with custom lighting configurations to match
instrument panels and with special dials to meet specific
requirements.
- Case: Dust &
moisture-proof aluminum. Lusterless black color 37038 or federal
standard 595.
- Jewels: 20-five
more than required by military specifications to ensure accurate
performance.
- All Waltham
mechanical aircraft clocks are domestically produced and are
certified to conform to FAR # 52.208-1. They contain jewels
produced by MICROLAP Technologies’ Wm. Langer Jewel Bearing Plant.
- Spare or
replacement parts available
Operation and
Installation
- Clocks are
furnished with standard 2 ¼ inch aircraft instrument case.
Instrument panel cutout required as shown on the drawing, together
with view of the mounted clock showing interference dimensions in
depth.
- Two mounting
screws and two Tinnerman nuts are available upon request. For
mounting with flange behind instrument panel, screws are secured
to Tinnerman nuts inserted into mounting holes in clock. For
mounting with flange in front of instrument panel, screws are
secured to locknuts provided in instrument panel.
- When locating,
allow sufficient space for projections shown on drawing.
- To wind clock,
rotate winding knob in a clockwise direction until a stop is
reached.
- To set clock,
pull winding knob out and rotate as required to set time of day
hands. Knob will return to winding position when released.
Lighting
Wiring
- Pin 1- Common
Ground
- Pin 3- Red
Lighting
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