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4440K43 — MUFFLER,EXHAUST

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

4440K43: MUFFLER,EXHAUST.

The MUFFLER,EXHAUST is a the manufacturer industrial component. Key specifications include body_shape: ROUND, overall_length: 4.750 INCHES NOMINAL IN, overall_diameter: 2.625 INCHES NOMINAL IN, special_features: 3/8 IN. NPT-M CONNECTOR IN.

This part is cataloged in the U.S. Government catalog under NSN 2990-01-469-7598, 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
4440K43
NSN: 2990-01-469-7598
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
body_shapeROUND
overall_length4.750 INCHES NOMINAL IN
overall_diameter2.625 INCHES NOMINAL IN
special_features3/8 IN. NPT-M CONNECTOR IN
NSN2990-01-469-7598
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MUFFLER,EXHAUST TITLE COMPONENT PN 4440K43 MFR MUFFLER,EXHAUST
KEY FEATURES
•
OVERALL DIAMETER: 2.625 INCHES NOMINAL IN
•
BODY SHAPE: ROUND
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER2.625 INCHES NOMINAL IN
OVERALL LENGTH4.750 INCHES NOMINAL IN
BODY SHAPEROUND
SPECIAL FEATURES3/8 IN. NPT-M CONNECTOR IN
OTHER ITEMS IN FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2990-00-096-8607 2990-00-390-3445 2990-00-459-7255 2990-00-536-2962 2990-00-903-8226 2990-01-151-5443
SUBSTITUTES & CROSS-REFERENCES 1
4440K30Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4440K43?
4440K43 is a MUFFLER,EXHAUST.
What parts can replace 4440K43?
There is 1 known substitute for 4440K43: 4440K30. Substitute compatibility should be verified for your specific system.
What is the NSN for 4440K43?
4440K43 is cataloged in the U.S. Government catalog under NSN 2990-01-469-7598. 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.