D-326-3 PIECE 1 — SHAFT,SHOULDERED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

D-326-3 PIECE 1: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL, step_quantity: 10, end_similarity: NOT IDENTICAL, overall_length: 27.812 INCHES NOMINAL IN, first_end_style: FLAT KEYWAY, second_end_style: INDENTED FLAT KEYWAY. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-183-5435, 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

D-326-3 PIECE 1

NSN: 3040-01-183-5435
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 95402 — ELECTRIC BOAT CORP DBA ELECTRO DYNAMIC (USA)

SPECIFICATIONS

material	STEEL
step_quantity	10
end_similarity	NOT IDENTICAL
overall_length	27.812 INCHES NOMINAL IN
first_end_style	FLAT KEYWAY
second_end_style	INDENTED FLAT KEYWAY
first_end_diameter	0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
second_end_diameter	1.6860 INCHES MINIMUM AND 1.6870 INCHES MAXIMUM IN
largest_step_diameter	3.000 INCHES NOMINAL IN
external_keyway_length	0.500 INCHES NOMINAL SECOND END IN
first_end_keyway_depth	0.125 INCHES NOMINAL IN
first_end_keyway_width	0.2500 INCHES NOMINAL IN
NSN	3040-01-183-5435

COMPONENT DIAGRAM

KEY FEATURES

•

STEP QUANTITY: 10

•

FIRST END DIAMETER: 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN

•

SECOND END DIAMETER: 1.6860 INCHES MINIMUM AND 1.6870 INCHES MAXIMUM IN

•

LARGEST STEP DIAMETER: 3.000 INCHES NOMINAL IN

•

SECOND END DISTANCE FROM KEYWAY CENTER TO END: 0.438 INCHES NOMINAL IN

•

FIRST END STYLE: FLAT KEYWAY

•

SECOND END KEYWAY WIDTH: 0.1880 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633-CANCELLED FED SPEC SINGLE MATERIAL RESPONSE

TECHNICAL CHARACTERISTICS

STEP QUANTITY	10
FIRST END DIAMETER	0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
SECOND END DIAMETER	1.6860 INCHES MINIMUM AND 1.6870 INCHES MAXIMUM IN
LARGEST STEP DIAMETER	3.000 INCHES NOMINAL IN
SECOND END DISTANCE FROM KEYWAY CENTER TO END	0.438 INCHES NOMINAL IN
FIRST END STYLE	FLAT KEYWAY
SECOND END KEYWAY WIDTH	0.1880 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-633-CANCELLED FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH	27.812 INCHES NOMINAL IN
FIRST END KEYWAY DEPTH	0.125 INCHES NOMINAL IN

OTHER ITEMS IN FSC 3040 — Miscellaneous Power Transmission Equipment

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

3040-00-001-0046 3040-00-001-0047 3040-00-001-0048 3040-00-001-0068 3040-00-001-0077 3040-00-001-0078 3040-00-001-0089 3040-00-001-1224

SUBSTITUTES & CROSS-REFERENCES 2

X80766-AReference document

Same NSN cross-reference

Reference document — Secondary reference

B-80766-AReference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is D-326-3 PIECE 1?

D-326-3 PIECE 1 is a SHAFT,SHOULDERED.

What parts can replace D-326-3 PIECE 1?

There are 2 known substitutes for D-326-3 PIECE 1: X80766-A, B-80766-A. Substitute compatibility should be verified for your specific system.

What is the NSN for D-326-3 PIECE 1?

D-326-3 PIECE 1 is cataloged in the U.S. Government catalog under NSN 3040-01-183-5435. This indicates validated use in U.S. government and defense supply chains.

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