MMD-2278 — SHAFT,STRAIGHT

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

MMD-2278: SHAFT,STRAIGHT.

The SHAFT,STRAIGHT is a the manufacturer industrial component. Key specifications include material: STEEL, end_similarity: NOT IDENTICAL, overall_length: 9.1875 INCHES NOMINAL IN, first_end_style: CIRCULAR GROOVED AND FLAT KEYWAY, second_end_style: CIRCULAR GROOVED AND FLAT KEYWAY, special_features: MATERIAL PER 17.4PH, HEAT TREATED. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-425-6614, 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

MMD-2278

NSN: 3040-01-425-6614
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 70433 — APPLETON MARINE INC (USA)

SPECIFICATIONS

material	STEEL
end_similarity	NOT IDENTICAL
overall_length	9.1875 INCHES NOMINAL IN
first_end_style	CIRCULAR GROOVED AND FLAT KEYWAY
second_end_style	CIRCULAR GROOVED AND FLAT KEYWAY
special_features	MATERIAL PER 17.4PH, HEAT TREATED
first_end_diameter	1.5000 INCHES NOMINAL IN
second_end_diameter	1.5000 INCHES NOMINAL IN
end_item_identification	NAVY WEAPONS SYSTEM TH, STRATEGIC SEALIFT CONVERSION SHIPS CLASS
NSN	3040-01-425-6614

COMPONENT DIAGRAM

KEY FEATURES

•

FIRST END DIAMETER: 1.5000 INCHES NOMINAL IN

•

SECOND END DIAMETER: 1.5000 INCHES NOMINAL IN

•

FIRST END STYLE: CIRCULAR GROOVED AND FLAT KEYWAY

•

END SIMILARITY: NOT IDENTICAL

•

SECOND END STYLE: CIRCULAR GROOVED AND FLAT KEYWAY

TECHNICAL CHARACTERISTICS

FIRST END DIAMETER	1.5000 INCHES NOMINAL IN
SECOND END DIAMETER	1.5000 INCHES NOMINAL IN
FIRST END STYLE	CIRCULAR GROOVED AND FLAT KEYWAY
OVERALL LENGTH	9.1875 INCHES NOMINAL IN
END SIMILARITY	NOT IDENTICAL
SPECIAL FEATURES	MATERIAL PER 17.4PH, HEAT TREATED
SECOND END STYLE	CIRCULAR GROOVED AND FLAT KEYWAY
END ITEM IDENTIFICATION	NAVY WEAPONS SYSTEM TH, STRATEGIC SEALIFT CONVERSION SHIPS CLASS
MATERIAL	STEEL

SUBSTITUTES & CROSS-REFERENCES 2

AMD-1088 IT-69Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

AMD-1088Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

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 MMD-2278?

MMD-2278 is a SHAFT,STRAIGHT.

What parts can replace MMD-2278?

There are 2 known substitutes for MMD-2278: AMD-1088 IT-69, AMD-1088. Substitute compatibility should be verified for your specific system.

What is the NSN for MMD-2278?

MMD-2278 is cataloged in the U.S. Government catalog under NSN 3040-01-425-6614. This indicates validated use in U.S. government and defense supply chains.

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