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32157R91 — Technical Data Sheet

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— · 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_outside_diameter_accommodated: 5.000 INCHES IN. This part is cataloged in the Federal Logistics Information System under NSN 2990-01-219-5699, 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
32157R91
NSN: 2990-01-219-5699
FSC: 2990
CAGE: 92679 — NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION /MELROSE PARK/ (USA)
SPECIFICATIONS
materialSTEEL
pipe_outside_diameter_accommodated5.000 INCHES IN
NSN2990-01-219-5699
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAP ASSEMBLY,PROTECTIVE,MUFFLER- TITLE COMPONENT PN 32157R91 MFR CAP ASSEMBLY,PROTECTIV
KEY FEATURES
•
PIPE OUTSIDE DIAMETER ACCOMMODATED: 5.000 INCHES IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
PIPE OUTSIDE DIAMETER ACCOMMODATED5.000 INCHES IN
MATERIALSTEEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
FB0046-51N0DInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
51N0DInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
5238GX2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
35910InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
181-208InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
0035910-9InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 32157R91?
32157R91 is a CAP ASSEMBLY,PROTECTIVE,MUFFLER-.
What parts can replace 32157R91?
There are 15 known substitutes for 32157R91: FB0046-51N0D, 51N0D, 5238GX2 and 12 more. Substitute compatibility should be verified for your specific system.
Is 32157R91 still available?
32157R91 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: October 2026