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ABT7738 — MUFFLER,EXHAUST

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

ABT7738: MUFFLER,EXHAUST.

The MUFFLER,EXHAUST is a the manufacturer industrial component. Key specifications include material: STEEL LOCATION NOT OTHERWISE SPECIFIED, design_type: DRY, coolant_type: AIR, inlet_location: CENTRALLY LOCATED IN END SECTION OF BODY, muffler_design: STRAIGHT THROUGH, overall_length: 20.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2990-00-064-4779, 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
ABT7738
NSN: 2990-00-064-4779
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
CAGE: 3NNX8 — BRIGHTON CROMWELL LLC (USA)
SPECIFICATIONS
materialSTEEL LOCATION NOT OTHERWISE SPECIFIED
design_typeDRY
coolant_typeAIR
tube_quantity2
inlet_locationCENTRALLY LOCATED IN END SECTION OF BODY
muffler_designSTRAIGHT THROUGH
overall_length20.000 INCHES NOMINAL IN
outlet_locationCENTRALLY LOCATED IN END SECTION OF BODY
overall_diameter6.125 INCHES NOMINAL IN
surface_treatmentALUMINUM
hand_hole_quantity2
operating_positionHORIZONTAL
NSN2990-00-064-4779
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MUFFLER,EXHAUST TITLE COMPONENT PN ABT7738 MFR MUFFLER,EXHAUST
KEY FEATURES
•
OPERATING POSITION: HORIZONTAL
•
FSC APPLICATION DATA: MUFFLER,EXHAUST,ENGINE,EXCEPT AIRCRAFT AND GUIDED MISSILE PRIME MOVING
•
INLET OUTSIDE DIAMETER: 2.750 INCHES NOMINAL SINGLE INLET IN
•
INLET LOCATION: CENTRALLY LOCATED IN END SECTION OF BODY
•
COOLANT TYPE: AIR
•
DESIGN TYPE: DRY
•
OVERALL DIAMETER: 6.125 INCHES NOMINAL IN
•
OUTLET INSIDE DIAMETER: 2.455 INCHES NOMINAL FIRST OUTLET IN
TECHNICAL CHARACTERISTICS
OPERATING POSITIONHORIZONTAL
FSC APPLICATION DATAMUFFLER,EXHAUST,ENGINE,EXCEPT AIRCRAFT AND GUIDED MISSILE PRIME MOVING
INLET OUTSIDE DIAMETER2.750 INCHES NOMINAL SINGLE INLET IN
INLET LOCATIONCENTRALLY LOCATED IN END SECTION OF BODY
COOLANT TYPEAIR
DESIGN TYPEDRY
OVERALL DIAMETER6.125 INCHES NOMINAL IN
OUTLET INSIDE DIAMETER2.455 INCHES NOMINAL FIRST OUTLET IN
INLET PROJECTION LENGTH2.000 INCHES NOMINAL SINGLE INLET IN
OVERALL LENGTH20.000 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 3
0GB-T7738Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
C52-1138Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
7738Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ABT7738?
ABT7738 is a MUFFLER,EXHAUST.
What parts can replace ABT7738?
There are 3 known substitutes for ABT7738: 0GB-T7738, C52-1138, 7738. Substitute compatibility should be verified for your specific system.
What is the NSN for ABT7738?
ABT7738 is cataloged in the U.S. Government catalog under NSN 2990-00-064-4779. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.