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PartsTable / COMPONENT / A-2 1/2NC81-1
A-2 1/2NC81-1 ✓ 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 A-2 1/2NC81-1 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 4320-01-118-5847, 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
A-2 1/2NC81-1
NSN: 4320-01-118-5847
FSC: 4320
CAGE: 10941 — CARVER PUMP COMPANY (USA)
SPECIFICATIONS
Part NumberA-2 1/2NC81-1
NSN4320-01-118-5847
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available A-2 1/2NC81-1 TITLE COMPONENT PN A-2 1/2NC81-1 MFR A-2 1/2NC81-1
KEY FEATURES
•
MATERIAL THICKNESS: 0.375 INCHES NOMINAL IN
•
ANGLE BETWEEN CENTERLINES OF MOUNTING HOLES IN DEG: 90.0
•
THREAD CLASS: 3B
•
THREAD DIRECTION: RIGHT-HAND
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STYLE DESIGNATOR: ROUND
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THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.190-24 UNIFIED NATIONAL COARSE (UNC)
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MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE
•
MATERIAL: COPPER ALLOY 922
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL THICKNESS0.375 INCHES NOMINAL IN
ANGLE BETWEEN CENTERLINES OF MOUNTING HOLES IN DEG90.0
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
STYLE DESIGNATORROUND
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.190-24 UNIFIED NATIONAL COARSE (UNC)
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIALCOPPER ALLOY 922
MOUNTING HOLE QUANTITY2
INSIDE DIAMETER1.256 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
L-2334Interchangeable
interchangeable cross-reference
interchangeable
M5773Interchangeable
interchangeable cross-reference
interchangeable
373223-1Interchangeable
interchangeable cross-reference
interchangeable
NC500-70 PIECE 81Interchangeable
Same NIIN cross-reference
interchangeable
F-NC500-70 PIECE 81Interchangeable
Same NIIN cross-reference
interchangeable
F-NC500-70Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-2 1/2NC81-1?
A-2 1/2NC81-1 is a A-2 1/2NC81-1.
What parts can replace A-2 1/2NC81-1?
There are 7 known substitutes for A-2 1/2NC81-1: L-2334, M5773, 373223-1 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-2 1/2NC81-1?
A-2 1/2NC81-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-01-118-5847. 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