102574R91 — RING SET,PISTON

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

102574R91: RING SET,PISTON.

The RING SET,PISTON is a the manufacturer industrial component. Key specifications include standard_bore_diameter: 4.875 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 2805-00-737-6302, 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

102574R91

NSN: 2805-00-737-6302
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 92679 — NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION /MELROSE PARK/ (USA)

SPECIFICATIONS

standard_bore_diameter	4.875 INCHES IN
ring_set_component_parts	PISTON RING,FIRST GROOVE,R-602A-303,73471,6; PISTON RING,SECOND AND THIRD GROOVE,R-602A-304,73471,12; PISTON RING,FOURTH GROOVE,R-602A-305,73471,6; PISTON RING,FIFTH GROOVE,R-602A-306,73471,6 A
piston_accommodation_quantity	6
NSN	2805-00-737-6302

COMPONENT DIAGRAM

KEY FEATURES

•

RING SET COMPONENT PARTS: PISTON RING,FIRST GROOVE,R-602A-303,73471,6; PISTON RING,SECOND AND THIRD GROOVE,R-602A-304,73471,12; PISTON RING,FOURTH GROOVE,R-602A-305,73471,6; PISTON RING,FIFTH GROOVE,R-602A-306,73471,6 A

•

PISTON ACCOMMODATION QUANTITY: 6

•

STANDARD BORE DIAMETER: 4.875 INCHES IN

TECHNICAL CHARACTERISTICS

RING SET COMPONENT PARTS	PISTON RING,FIRST GROOVE,R-602A-303,73471,6; PISTON RING,SECOND AND THIRD GROOVE,R-602A-304,73471,12; PISTON RING,FOURTH GROOVE,R-602A-305,73471,6; PISTON RING,FIFTH GROOVE,R-602A-306,73471,6 A
PISTON ACCOMMODATION QUANTITY	6
STANDARD BORE DIAMETER	4.875 INCHES IN

SUBSTITUTES & CROSS-REFERENCES 3

R6602T105Reference document

Same NSN cross-reference

Reference document — Secondary reference

6602T105STDReference document

Same NSN cross-reference

Reference document — Secondary reference

7376302Same 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 102574R91?

102574R91 is a RING SET,PISTON.

What parts can replace 102574R91?

There are 3 known substitutes for 102574R91: R6602T105, 6602T105STD, 7376302. Substitute compatibility should be verified for your specific system.

What is the NSN for 102574R91?

102574R91 is cataloged in the U.S. Government catalog under NSN 2805-00-737-6302. This indicates validated use in U.S. government and defense supply chains.

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102574R91 — RING SET,PISTON

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