491GC521 — HEAT SHIELD,EXHAUST

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

491GC521: HEAT SHIELD,EXHAUST.

The HEAT SHIELD,EXHAUST is a the manufacturer industrial component. Key specifications include mounting_method: BRACKET(S), end_item_identification: 2320-01-529-2249 TRUCK,BOMB SERVICE,BUFFALO HEAVY MINE PROTECTED CLEARANCE VEHICLE; MRAP BUFFALO MK2A2. This part is cataloged in the U.S.

Government catalog under NSN 2990-01-546-7654, 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

491GC521

NSN: 2990-01-546-7654
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
CAGE: 89619 — MACK TRUCKS, INC. DBA MACUNGIE OPERATIONS DIV LEHIGH VALLEY OPERATIONS (USA)

SPECIFICATIONS

mounting_method	BRACKET(S)
end_item_identification	2320-01-529-2249 TRUCK,BOMB SERVICE,BUFFALO HEAVY MINE PROTECTED CLEARANCE VEHICLE; MRAP BUFFALO MK2A2
NSN	2990-01-546-7654

COMPONENT DIAGRAM

KEY FEATURES

•

MOUNTING METHOD: BRACKET(S)

TECHNICAL CHARACTERISTICS

MOUNTING METHOD	BRACKET(S)
END ITEM IDENTIFICATION	2320-01-529-2249 TRUCK,BOMB SERVICE,BUFFALO HEAVY MINE PROTECTED CLEARANCE VEHICLE; MRAP BUFFALO MK2A2

OTHER ITEMS IN FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

2990-00-001-0001 2990-00-001-1248 2990-00-001-1250 2990-00-001-2055 2990-00-001-3498 2990-00-001-3520 2990-00-001-3521 2990-00-001-3522

SUBSTITUTES & CROSS-REFERENCES 1

10025074Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 491GC521?

491GC521 is a HEAT SHIELD,EXHAUST.

What parts can replace 491GC521?

There is 1 known substitute for 491GC521: 10025074. Substitute compatibility should be verified for your specific system.

What is the NSN for 491GC521?

491GC521 is cataloged in the U.S. Government catalog under NSN 2990-01-546-7654. This indicates validated use in U.S. government and defense supply chains.

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491GC521 — HEAT SHIELD,EXHAUST

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