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Technical Data Sheet
4B271D1 ✓ 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 MUFFLER,EXHAUST is a the manufacturer industrial component. Key specifications include material: STEEL LOCATION NOT OTHERWISE SPECIFIED, body_shape: ROUND, design_type: DRY, coolant_type: AIR, inlet_location: CENTERED ON END OF BODY, muffler_design: DIRECTIONAL VANE W/INTEGRAL SPARK ARRESTOR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2990-00-905-0428, 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
4B271D1
NSN: 2990-00-905-0428
FSC: 2990
CAGE: 0ZLV2 — GSE PRODUCTION AND SUPPORT LLC DBA GSE SPARES (USA)
SPECIFICATIONS
materialSTEEL LOCATION NOT OTHERWISE SPECIFIED
body_shapeROUND
design_typeDRY
coolant_typeAIR
inlet_locationCENTERED ON END OF BODY
muffler_designDIRECTIONAL VANE W/INTEGRAL SPARK ARRESTOR
overall_length15.000 INCHES NOMINAL IN
outlet_locationCENTERED ON END OF BODY
overall_diameter6.000 INCHES NOMINAL IN
surface_treatmentPAINT
inlet_connection_typeUNTHREADED SINGLE INLET
inlet_inside_diameter2.000 INCHES NOMINAL SINGLE INLET IN
NSN2990-00-905-0428
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MUFFLER,EXHAUST TITLE COMPONENT PN 4B271D1 MFR MUFFLER,EXHAUST
KEY FEATURES
DESIGN TYPE: DRY
OUTLET INSIDE DIAMETER: 1.750 INCHES NOMINAL FIRST OUTLET IN
COOLANT TYPE: AIR
OVERALL DIAMETER: 6.000 INCHES NOMINAL IN
MUFFLER DESIGN: DIRECTIONAL VANE W/INTEGRAL SPARK ARRESTOR
OUTLET LOCATION: CENTERED ON END OF BODY
OUTLET PROJECTION LENGTH: 1.750 INCHES NOMINAL FIRST OUTLET IN
TECHNICAL CHARACTERISTICS (FLIS)
DESIGN TYPEDRY
OUTLET INSIDE DIAMETER1.750 INCHES NOMINAL FIRST OUTLET IN
COOLANT TYPEAIR
OVERALL DIAMETER6.000 INCHES NOMINAL IN
END ITEM IDENTIFICATIONGRUMMAN AEROSPACE A-10 AIRCRAFT
MUFFLER DESIGNDIRECTIONAL VANE W/INTEGRAL SPARK ARRESTOR
OUTLET LOCATIONCENTERED ON END OF BODY
OUTLET PROJECTION LENGTH1.750 INCHES NOMINAL FIRST OUTLET IN
INLET INSIDE DIAMETER2.000 INCHES NOMINAL SINGLE INLET IN
OUTLET OUTSIDE DIAMETER1.938 INCHES NOMINAL FIRST OUTLET IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
R7744Interchangeable
interchangeable cross-reference
interchangeable
5740AInterchangeable
interchangeable cross-reference
interchangeable
72A759Interchangeable
interchangeable cross-reference
interchangeable
NL523W04-012Interchangeable
interchangeable cross-reference
interchangeable
2623Interchangeable
interchangeable cross-reference
interchangeable
MIL-I-23264/1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4B271D1?
4B271D1 is a MUFFLER,EXHAUST.
What parts can replace 4B271D1?
There are 23 known substitutes for 4B271D1: R7744, 5740A, 72A759 and 20 more. Substitute compatibility should be verified for your specific system.
Is 4B271D1 still available?
4B271D1 is currently cancelled.
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