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377123B — COVER,EXHAUST MANIFOLD

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

377123B: COVER,EXHAUST MANIFOLD.

The COVER,EXHAUST MANIFOLD is a the manufacturer industrial component. Key specifications include end_item_identification: 28058725971, general_characteristics_item_description: STEEL,SAE J403 NO.1010-1020,2 0.406 IN. NOM DIA HOLES,NOM DISTANCE BETWEEN HOLES 2.880 IN.

IN. This part is cataloged in the U.S. Government catalog under NSN 2805-00-124-0581, 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
377123B
NSN: 2805-00-124-0581
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 1ML14 — BRINKLEY TECHNOLOGY GROUP LLC DBA HERCULES MANUFACTURING (USA)
SPECIFICATIONS
end_item_identification28058725971
general_characteristics_item_descriptionSTEEL,SAE J403 NO.1010-1020,2 0.406 IN. NOM DIA HOLES,NOM DISTANCE BETWEEN HOLES 2.880 IN. IN
NSN2805-00-124-0581
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COVER,EXHAUST MANIFOLD TITLE COMPONENT PN 377123B MFR COVER,EXHAUST MANIFOLD
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL,SAE J403 NO.1010-1020,2 0.406 IN. NOM DIA HOLES,NOM DISTANCE BETWEEN HOLES 2.880 IN. IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL,SAE J403 NO.1010-1020,2 0.406 IN. NOM DIA HOLES,NOM DISTANCE BETWEEN HOLES 2.880 IN. IN
END ITEM IDENTIFICATION28058725972
END ITEM IDENTIFICATION28058725971
OTHER ITEMS IN FSC 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2805-00-010-2959 2805-00-066-3426 2805-00-326-0797 2805-00-395-7778 2805-00-422-9321 2805-00-447-9114 2805-00-448-0786 2805-00-561-9463
SUBSTITUTES & CROSS-REFERENCES 2
ERE336ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
13206E0538Same 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 377123B?
377123B is a COVER,EXHAUST MANIFOLD.
What parts can replace 377123B?
There are 2 known substitutes for 377123B: ERE336A, 13206E0538. Substitute compatibility should be verified for your specific system.
What is the NSN for 377123B?
377123B is cataloged in the U.S. Government catalog under NSN 2805-00-124-0581. 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.