4Y-2178 — PIN AND PLUG ASSEMBLY

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

4Y-2178: PIN AND PLUG ASSEMBLY.

The PIN AND PLUG ASSEMBLY is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 2815-00-856-2023, 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

4Y-2178

NSN: 2815-00-856-2023
FSC: 2815 — Diesel Engines and Components
CAGE: 14541 — COOPER MACHINERY SERVICES LLC (USA)

SPECIFICATIONS

Part Number	4Y-2178
NSN	2815-00-856-2023

COMPONENT DIAGRAM

KEY FEATURES

•

GENERAL CHARACTERISTICS ITEM DESCRIPTION: CONSISTS OF,1 EACH-PIN,2 EACH-PLUG,DESCRIPTION OF PLUG,STEEL,OUTSIDE DIA-1.875 IN.,O/A HEIGHT-1.047 IN.,DESCRIPTION OF PIN,STEEL,O/A LENGTH-7.625 IN.,OUTSIDE DIA-3.500 IN.,INSIDE DIA-1.875 IN.,WITH SIX HOLES,0.250 IN. DIA,LOCATED ON EACH END OF OUTER PERIPHERY,1.000 IN. FROM END TO HOLE CENTER EQUALLY SPACED 60 DEGREES APART,OTHER TWO HOLES,0.375 IN. DIA,LOCATED IN CENTER OF OUTER SERIPHERY,SPACED 180 DEGREES APART IN

TECHNICAL CHARACTERISTICS

GENERAL CHARACTERISTICS ITEM DESCRIPTION

CONSISTS OF,1 EACH-PIN,2 EACH-PLUG,DESCRIPTION OF PLUG,STEEL,OUTSIDE DIA-1.875 IN.,O/A HEIGHT-1.047 IN.,DESCRIPTION OF PIN,STEEL,O/A LENGTH-7.625 IN.,OUTSIDE DIA-3.500 IN.,INSIDE DIA-1.875 IN.,WITH SIX HOLES,0.250 IN. DIA,LOCATED ON EACH END OF OUTER PERIPHERY,1.000 IN. FROM END TO HOLE CENTER EQUALLY SPACED 60 DEGREES APART,OTHER TWO HOLES,0.375 IN. DIA,LOCATED IN CENTER OF OUTER SERIPHERY,SPACED 180 DEGREES APART IN

OTHER ITEMS IN FSC 2815 — Diesel Engines and Components

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

2815-00-000-0075 2815-00-001-0022 2815-00-001-3475 2815-00-001-7728 2815-00-001-7737 2815-00-001-7805 2815-00-001-7806 2815-00-001-7813

SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 4Y-2178?

4Y-2178 is a PIN AND PLUG ASSEMBLY.

What is the NSN for 4Y-2178?

4Y-2178 is cataloged in the U.S. Government catalog under NSN 2815-00-856-2023. This indicates validated use in U.S. government and defense supply chains.

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4Y-2178 — PIN AND PLUG ASSEMBLY

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