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2B1-1775 — SHAFT,SHOULDERED

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

2B1-1775: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316, end_similarity: NOT IDENTICAL, overall_length: 47.750 INCHES NOMINAL IN, surface_finish: 125.0 MICROINCHES, first_end_style: PLAIN, second_end_style: CROSS DRILLED AND CIRCULAR GROOVED. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-438-3790, 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
2B1-1775
NSN: 3040-01-438-3790
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 34712 — LAKE SHORE SYSTEMS, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 316
step_quantity4
end_similarityNOT IDENTICAL
overall_length47.750 INCHES NOMINAL IN
surface_finish125.0 MICROINCHES
first_end_stylePLAIN
second_end_styleCROSS DRILLED AND CIRCULAR GROOVED
first_end_diameter1.4365 INCHES NOMINAL IN
second_end_diameter1.2495 INCHES NOMINAL IN
largest_step_diameter2.000 INCHES NOMINAL IN
end_item_identificationW/S SUPPLY CLASS AOE
second_end_groove_width0.1050 INCHES NOMINAL IN
NSN3040-01-438-3790
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,SHOULDERED TITLE COMPONENT PN 2B1-1775 MFR SHAFT,SHOULDERED
KEY FEATURES
•
SURFACE FINISH: 125.0 MICROINCHES
•
SECOND END HOLE DIAMETER: 0.2500 INCHES NOMINAL IN
•
STEP QUANTITY: 4
•
FIRST END DIAMETER: 1.4365 INCHES NOMINAL IN
•
SECOND END DIAMETER: 1.2495 INCHES NOMINAL IN
•
LARGEST STEP DIAMETER: 2.000 INCHES NOMINAL IN
•
FIRST END STYLE: PLAIN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763C-CL316 FED SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES
SECOND END HOLE DIAMETER0.2500 INCHES NOMINAL IN
STEP QUANTITY4
FIRST END DIAMETER1.4365 INCHES NOMINAL IN
SECOND END DIAMETER1.2495 INCHES NOMINAL IN
LARGEST STEP DIAMETER2.000 INCHES NOMINAL IN
FIRST END STYLEPLAIN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763C-CL316 FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH47.750 INCHES NOMINAL IN
SECOND END GROOVE DIAMETER1.1730 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
2D3-05667 ITEM 208Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2D3-05667Reference 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 2B1-1775?
2B1-1775 is a SHAFT,SHOULDERED.
What parts can replace 2B1-1775?
There are 2 known substitutes for 2B1-1775: 2D3-05667 ITEM 208, 2D3-05667. Substitute compatibility should be verified for your specific system.
What is the NSN for 2B1-1775?
2B1-1775 is cataloged in the U.S. Government catalog under NSN 3040-01-438-3790. 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.