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2B1-599 — SHAFT,SHOULDERED

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

2B1-599: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, end_similarity: NOT IDENTICAL, overall_length: 1.3750 INCHES NOMINAL IN, surface_finish: 125.0 MICROINCHES, first_end_style: PLAIN, second_end_style: PLAIN. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-369-5237, 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
2B1-599
NSN: 3040-01-369-5237
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 34712 — LAKE SHORE SYSTEMS, INC. (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
step_quantity3
end_similarityNOT IDENTICAL
overall_length1.3750 INCHES NOMINAL IN
surface_finish125.0 MICROINCHES
first_end_stylePLAIN
second_end_stylePLAIN
special_featuresSECOND END IS DRILLED 1.000 INCHES DEEP AND 0.7500 INCHES IN DIAMETER IN
first_end_diameter1.3120 INCHES NOMINAL IN
second_end_diameter1.8800 INCHES NOMINAL IN
largest_step_diameter1.8800 INCHES NOMINAL IN
NSN3040-01-369-5237
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,SHOULDERED TITLE COMPONENT PN 2B1-599 MFR SHAFT,SHOULDERED
KEY FEATURES
•
SURFACE FINISH: 125.0 MICROINCHES
•
STEP QUANTITY: 3
•
FIRST END DIAMETER: 1.3120 INCHES NOMINAL IN
•
SECOND END DIAMETER: 1.8800 INCHES NOMINAL IN
•
LARGEST STEP DIAMETER: 1.8800 INCHES NOMINAL IN
•
FIRST END STYLE: PLAIN
•
END SIMILARITY: NOT IDENTICAL
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES
STEP QUANTITY3
FIRST END DIAMETER1.3120 INCHES NOMINAL IN
SECOND END DIAMETER1.8800 INCHES NOMINAL IN
LARGEST STEP DIAMETER1.8800 INCHES NOMINAL IN
FIRST END STYLEPLAIN
OVERALL LENGTH1.3750 INCHES NOMINAL IN
END SIMILARITYNOT IDENTICAL
SPECIAL FEATURESSECOND END IS DRILLED 1.000 INCHES DEEP AND 0.7500 INCHES IN DIAMETER IN
SECOND END STYLEPLAIN
SUBSTITUTES & CROSS-REFERENCES 2
312334Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
183352Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 2B1-599?
2B1-599 is a SHAFT,SHOULDERED.
What parts can replace 2B1-599?
There are 2 known substitutes for 2B1-599: 312334, 183352. Substitute compatibility should be verified for your specific system.
What is the NSN for 2B1-599?
2B1-599 is cataloged in the U.S. Government catalog under NSN 3040-01-369-5237. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.