B831-4120-3 — SHAFT,SHOULDERED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

B831-4120-3: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, end_similarity: IDENTICAL, overall_length: 9.000 INCHES NOMINAL IN, first_end_style: SQUARE (ROUND CORNERS), special_features: SHAFT HAS A KEYWAY 1.750 LENGTH AND 0.121 MAX DEPTH., first_end_diameter: 0.7480 INCHES MINIMUM AND 0.7490 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-495-9498, 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

B831-4120-3

NSN: 3040-01-495-9498
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING
step_quantity	5
end_similarity	IDENTICAL
overall_length	9.000 INCHES NOMINAL IN
first_end_style	SQUARE (ROUND CORNERS)
special_features	SHAFT HAS A KEYWAY 1.750 LENGTH AND 0.121 MAX DEPTH.
first_end_diameter	0.7480 INCHES MINIMUM AND 0.7490 INCHES MAXIMUM IN
first_end_step_length	1.250 INCHES NOMINAL IN
largest_step_diameter	1.500 INCHES NOMINAL IN
end_item_identification	CRADLE HANDLING ASSEMBLY; W/S: SEAWOLF CLASS SUBMARINE SSN 23.
first_end_width_across_flats	0.564 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN
material_document_and_classification	ASTM-A564, TY-630 NATIONAL SPEC ALL MATERIAL RESPONSES
NSN	3040-01-495-9498

COMPONENT DIAGRAM

KEY FEATURES

•

FIRST END WIDTH ACROSS FLATS: 0.564 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN

•

STEP QUANTITY: 5

•

FIRST END DIAMETER: 0.7480 INCHES MINIMUM AND 0.7490 INCHES MAXIMUM IN

•

FIRST END STEP LENGTH: 1.250 INCHES NOMINAL IN

•

LARGEST STEP DIAMETER: 1.500 INCHES NOMINAL IN

•

FIRST END STYLE: SQUARE (ROUND CORNERS)

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASTM-A564, TY-630 NATIONAL SPEC ALL MATERIAL RESPONSES

TECHNICAL CHARACTERISTICS

FIRST END WIDTH ACROSS FLATS	0.564 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN
STEP QUANTITY	5
FIRST END DIAMETER	0.7480 INCHES MINIMUM AND 0.7490 INCHES MAXIMUM IN
FIRST END STEP LENGTH	1.250 INCHES NOMINAL IN
LARGEST STEP DIAMETER	1.500 INCHES NOMINAL IN
FIRST END STYLE	SQUARE (ROUND CORNERS)
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM-A564, TY-630 NATIONAL SPEC ALL MATERIAL RESPONSES
OVERALL LENGTH	9.000 INCHES NOMINAL IN
END SIMILARITY	IDENTICAL
SPECIAL FEATURES	SHAFT HAS A KEYWAY 1.750 LENGTH AND 0.121 MAX DEPTH.

SUBSTITUTES & CROSS-REFERENCES 2

596-7409700Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

B831-4120Reference 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

Ready to buy B831-4120-3?

Compare prices from verified sellers on eBay

Buy on eBay →

As an eBay Partner, PartsTable may earn a commission. Your price is not affected.

FREQUENTLY ASKED QUESTIONS

What is B831-4120-3?

B831-4120-3 is a SHAFT,SHOULDERED.

What parts can replace B831-4120-3?

There are 2 known substitutes for B831-4120-3: 596-7409700, B831-4120. Substitute compatibility should be verified for your specific system.

What is the NSN for B831-4120-3?

B831-4120-3 is cataloged in the U.S. Government catalog under NSN 3040-01-495-9498. This indicates validated use in U.S. government and defense supply chains.

Community Feedback

B831-4120-3 — SHAFT,SHOULDERED

Request a Quote — B831-4120-3