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Technical Data Sheet
PartsTable / COMPONENT / AN 40X12S
AN 40X12S ✓ 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 RING,TOLERANCE is a the manufacturer industrial component. Key specifications include inside_diameter: 1.572 INCHES MINIMUM AND 1.574 INCHES MAXIMUM IN, special_features: MATERIAL:CRES TYPE 301. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-01-004-0612, 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
AN 40X12S
NSN: 5365-01-004-0612
FSC: 5365
CAGE: 51588 — RBC BEARINGS INCORPORATED DIV WEST TRENTON DIVISION (USA)
SPECIFICATIONS
inside_diameter1.572 INCHES MINIMUM AND 1.574 INCHES MAXIMUM IN
special_featuresMATERIAL:CRES TYPE 301
NSN5365-01-004-0612
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,TOLERANCE TITLE COMPONENT PN AN 40X12S MFR RING,TOLERANCE
KEY FEATURES
•
INSIDE DIAMETER: 1.572 INCHES MINIMUM AND 1.574 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
INSIDE DIAMETER1.572 INCHES MINIMUM AND 1.574 INCHES MAXIMUM IN
SPECIAL FEATURESMATERIAL:CRES TYPE 301
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
27541Interchangeable
interchangeable cross-reference
interchangeable
H27541Interchangeable
interchangeable cross-reference
interchangeable
44781Interchangeable
interchangeable cross-reference
interchangeable
858302Interchangeable
interchangeable cross-reference
interchangeable
1524563Interchangeable
interchangeable cross-reference
interchangeable
400224M1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN 40X12S?
AN 40X12S is a RING,TOLERANCE.
What parts can replace AN 40X12S?
There are 12 known substitutes for AN 40X12S: 27541, H27541, 44781 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AN 40X12S?
AN 40X12S is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-01-004-0612. 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