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SIZE15 ✓ 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

CAP ASSEMBLY,PROTECTIVE,MUFFLER-. Key specifications include material: STEEL, pipe_diameter_range_accommodated: +4.750 TO 5.000 INCHES IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2990-00-870-7520, 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
SIZE15
NSN: 2990-00-870-7520
FSC: 2990
CAGE: 11431 — GLEASON CORP (USA)
SPECIFICATIONS
materialSTEEL
pipe_diameter_range_accommodated+4.750 TO 5.000 INCHES IN
NSN2990-00-870-7520
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAP ASSEMBLY,PROTECTIVE,MUFFLER- TITLE COMPONENT PN SIZE15 MFR CAP ASSEMBLY,PROTECTIV
KEY FEATURES
•
MATERIAL: STEEL
•
PIPE DIAMETER RANGE ACCOMMODATED: +4.750 TO 5.000 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL
PIPE DIAMETER RANGE ACCOMMODATED+4.750 TO 5.000 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
FB0046-51N0DInterchangeable
interchangeable cross-reference
interchangeable
51N0DInterchangeable
interchangeable cross-reference
interchangeable
5238GX2Interchangeable
interchangeable cross-reference
interchangeable
3776Interchangeable
interchangeable cross-reference
interchangeable
568683Interchangeable
interchangeable cross-reference
interchangeable
610210C91Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SIZE15?
SIZE15 is a CAP ASSEMBLY,PROTECTIVE,MUFFLER-.
What parts can replace SIZE15?
There are 12 known substitutes for SIZE15: FB0046-51N0D, 51N0D, 5238GX2 and 9 more. Substitute compatibility should be verified for your specific system.
Is SIZE15 still available?
SIZE15 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