The 10A1-31 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 6685-00-945-4963, indicating validated use in U.S.
government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.
WHERE IT FITS
10A1-31
NSN:6685-00-945-4963 FSC:6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments CAGE:30120 — IDEAL AEROSMITH INC (USA)
SPECIFICATIONS
Part Number
10A1-31
NSN
6685-00-945-4963
COMPONENT DIAGRAM
KEY FEATURES
•
CISTERN TYPE: ADJUSTING SCREW
•
TUBE BORE DIAMETER: 0.631 INCHES NOMINAL IN
•
SUPPLEMENTARY FEATURES: MANUFACTURERS NAME: MERCURIAL ALTITUDE TEST BAROMETER
•
SCALE RANGE: -1000.0 TO 80000.0 FEET OF ALTITUDE AND +0.0 TO 800.0 MILLIMETERS OF MERCURY MM
•
GRADUATION UNIT: 0.001 MILLIMETERS MM
•
FUNCTIONAL DESCRIPTION: USED FOR THE TEST AND CALIBRATION OF ALTIMETERS, MACH INDICATORS, AIR SPEED INDICATORS, PRESSURE GAGES AND OTHER TYPES OF EQUIPMENT USING PNEUMATIC PRESSURE AS A SOURCE OF OPERATION
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT
47.000 INCHES NOMINAL IN
CISTERN TYPE
ADJUSTING SCREW
TUBE BORE DIAMETER
0.631 INCHES NOMINAL IN
SUPPLEMENTARY FEATURES
MANUFACTURERS NAME: MERCURIAL ALTITUDE TEST BAROMETER
SCALE RANGE
-1000.0 TO 80000.0 FEET OF ALTITUDE AND +0.0 TO 800.0 MILLIMETERS OF MERCURY MM
GRADUATION UNIT
0.001 MILLIMETERS MM
SPECIAL FEATURES
LARGE BORE PRECISION TUBE; CISTERN TO TUBE RATION 50:1; SCALES AND VERNIER MATERIAL HEAVY BRASS, ENGINE DIVIDED AND ENGRAVED; VERNIERS READABLE TO 0.05 MM; BUILT TO MIL-B-4308; UNIVERSAL COMPENSATION; MANUAL 2 SPEED CABLE DRIVE; CAN BE OUTFITTED WITH A ELECTRONIC NULL INDICATOR; ELECTRICAL 115 VAC, 60 HZ; BASE 10.5 BY 10.5 INCHES; ACCURACY +/- 0.003 INCHES HG WITH CORRECTION CARD, +/- 0.005 INCHES HG WITHOUT CORRECTION CARD; REPEATABILITY 0.002 INCHES HG; SENSITIVITY 0.001 INCHES HG; BASE CAST ALUMINUM; TUBE PYREX; INCLUDES NEEDLE VALVE AND DUAL SCANNER PLATES VAC
FUNCTIONAL DESCRIPTION
USED FOR THE TEST AND CALIBRATION OF ALTIMETERS, MACH INDICATORS, AIR SPEED INDICATORS, PRESSURE GAGES AND OTHER TYPES OF EQUIPMENT USING PNEUMATIC PRESSURE AS A SOURCE OF OPERATION
OTHER ITEMS IN FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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FREQUENTLY ASKED QUESTIONS
What is 10A1-31?
10A1-31 is a 10A1-31.
What is the NSN for 10A1-31?
10A1-31 is cataloged in the U.S. Government catalog under NSN 6685-00-945-4963. This indicates validated use in U.S. government and defense supply chains.
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