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12639275 — HEAT SHIELD,EXHAUST

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

12639275: HEAT SHIELD,EXHAUST.

The HEAT SHIELD,EXHAUST is a the manufacturer industrial component. Key specifications include end_item_identification: AMPV FOV. This part is cataloged in the U.S.

Government catalog under NSN 2990-01-675-0289, 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
12639275
NSN: 2990-01-675-0289
NIINs: 016750289, 017021715
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
end_item_identificationAMPV FOV
NSN2990-01-675-0289
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HEAT SHIELD,EXHAUST TITLE COMPONENT PN 12639275 MFR HEAT SHIELD,EXHAUST
KEY FEATURES
•
MOUNTING METHOD: UNTHREADED MOUNTING HOLES
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT4.31 INCHES NOMINAL IN
MOUNTING METHODUNTHREADED MOUNTING HOLES
OVERALL LENGTH18.88 INCHES NOMINAL IN
OVERALL WIDTH6.51 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYHEATSHIELD, TURBO OIUT PIPE, LMM
END ITEM IDENTIFICATION2320-01-652-5208; TRUCK,UTILITY
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 1
4371468Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
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 12639275?
12639275 is a HEAT SHIELD,EXHAUST.
What parts can replace 12639275?
There is 1 known substitute for 12639275: 4371468. Substitute compatibility should be verified for your specific system.
What is the NSN for 12639275?
12639275 is cataloged in the U.S. Government catalog under NSN 2990-01-675-0289. 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.