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PartsTable / COMPONENT / MIL-A-81851
MIL-A-81851 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The MIL-A-81851 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6610-01-296-0880, 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
MIL-A-81851
NSN: 6610-01-296-0880
FSC: 6610
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberMIL-A-81851
NSN6610-01-296-0880
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MIL-A-81851 TITLE COMPONENT PN MIL-A-81851 MFR MIL-A-81851
KEY FEATURES
•
SCALE NAME: ALTITUDE AND BAROMETRIC PRESSURE
•
KNOB PURPOSE: USED TO ZERO BAROMETRIC SCALE
•
MECHANICAL CONNECTION SIZE: 9/16-18UNF-3B
•
KNOB QUANTITY: 1
•
MOUNTING METHOD: FLANGE
•
ELECTRICAL CONNECTION QUANTITY: 1
•
SCALE QUANTITY: 2
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESCOUNTER DRUM POINTER
SCALE NAMEALTITUDE AND BAROMETRIC PRESSURE
KNOB PURPOSEUSED TO ZERO BAROMETRIC SCALE
MECHANICAL CONNECTION SIZE9/16-18UNF-3B
KNOB QUANTITY1
MOUNTING METHODFLANGE
ELECTRICAL CONNECTION QUANTITY1
SCALE QUANTITY2
SCALE SMALLEST INCREMENT GRADUATION50 FT AND 0.01 IN. HG IN
OVERALL WIDTH3.235 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
23557Interchangeable
interchangeable cross-reference
interchangeable
DPM18-2Interchangeable
interchangeable cross-reference
interchangeable
A-2246Interchangeable
interchangeable cross-reference
interchangeable
M83421/01-0243MInterchangeable
interchangeable cross-reference
interchangeable
MIL-C-83421/1Interchangeable
interchangeable cross-reference
interchangeable
P80070Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-A-81851?
MIL-A-81851 is a MIL-A-81851.
What parts can replace MIL-A-81851?
There are 18 known substitutes for MIL-A-81851: 23557, DPM18-2, A-2246 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-A-81851?
MIL-A-81851 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6610-01-296-0880. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026