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11A8541 ✓ 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 SPACER,RING is a the manufacturer industrial component. Key specifications include material: STEEL, inside_diameter: 4.500 INCHES NOMINAL IN, outside_diameter: 5.125 INCHES NOMINAL IN, overall_thickness: 0.125 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-00-270-2116, 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
11A8541
NSN: 5365-00-270-2116
FSC: 5365
CAGE: 95201 — NAPCO INTERNATIONAL LLC DBA NAPCO INTERNATIONAL INC (USA)
SPECIFICATIONS
materialSTEEL
inside_diameter4.500 INCHES NOMINAL IN
outside_diameter5.125 INCHES NOMINAL IN
overall_thickness0.125 INCHES NOMINAL IN
NSN5365-00-270-2116
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPACER,RING TITLE COMPONENT PN 11A8541 MFR SPACER,RING
KEY FEATURES
•
OVERALL THICKNESS: 0.125 INCHES NOMINAL IN
•
MATERIAL: STEEL
•
INSIDE DIAMETER: 4.500 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 5.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL THICKNESS0.125 INCHES NOMINAL IN
MATERIALSTEEL
INSIDE DIAMETER4.500 INCHES NOMINAL IN
OUTSIDE DIAMETER5.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
A539FS160Interchangeable
interchangeable cross-reference
interchangeable
A539Interchangeable
interchangeable cross-reference
interchangeable
92191Interchangeable
interchangeable cross-reference
interchangeable
P2247Interchangeable
Same NIIN cross-reference
interchangeable
516D5Interchangeable
Same NIIN cross-reference
interchangeable
1829A27Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 11A8541?
11A8541 is a SPACER,RING.
What parts can replace 11A8541?
There are 7 known substitutes for 11A8541: A539FS160, A539, 92191 and 4 more. Substitute compatibility should be verified for your specific system.
Is 11A8541 still available?
11A8541 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026