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PartsTable / COMPONENT / 12291-34
12291-34 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303, end_similarity: NOT IDENTICAL, first_end_style: PLAIN, second_end_style: CIRCULAR GROOVED AND FLAT KEYWAY, special_features: NHA DRIVE UNIT,ANGLE, first_end_diameter: 0.6210 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-01-485-9905, 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
12291-34
NSN: 3040-01-485-9905
FSC: 3040
CAGE: 72166 — B.W. ELLIOTT MANUFACTURING CO., LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 303
step_quantity3
end_similarityNOT IDENTICAL
first_end_stylePLAIN
second_end_styleCIRCULAR GROOVED AND FLAT KEYWAY
special_featuresNHA DRIVE UNIT,ANGLE
first_end_diameter0.6210 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM IN
external_keyway_length0.6250 INCHES NOMINAL SECOND END IN
second_end_keyway_depth0.1875 INCHES NOMINAL IN
second_end_keyway_width0.1875 INCHES NOMINAL IN
material_document_and_classificationAISI 303 ASSN STD SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agencySPINDLE
NSN3040-01-485-9905
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,SHOULDERED TITLE COMPONENT PN 12291-34 MFR SHAFT,SHOULDERED
KEY FEATURES
•
END SIMILARITY: NOT IDENTICAL
•
STEP QUANTITY: 3
•
SECOND END KEYWAY DEPTH: 0.1875 INCHES NOMINAL IN
•
FIRST END DIAMETER: 0.6210 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM IN
•
EXTERNAL KEYWAY LENGTH: 0.6250 INCHES NOMINAL SECOND END IN
•
SECOND END KEYWAY WIDTH: 0.1875 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI 303 ASSN STD SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
END SIMILARITYNOT IDENTICAL
STEP QUANTITY3
SECOND END KEYWAY DEPTH0.1875 INCHES NOMINAL IN
SPECIAL FEATURESNHA DRIVE UNIT,ANGLE
FIRST END DIAMETER0.6210 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM IN
EXTERNAL KEYWAY LENGTH0.6250 INCHES NOMINAL SECOND END IN
SECOND END KEYWAY WIDTH0.1875 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAISI 303 ASSN STD SINGLE MATERIAL RESPONSE
PART NAME ASSIGNED BY CONTROLLING AGENCYSPINDLE
MATERIALSTEEL COMP 303
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
12108Interchangeable
interchangeable cross-reference
interchangeable
821LXInterchangeable
interchangeable cross-reference
interchangeable
SCB69784Interchangeable
interchangeable cross-reference
interchangeable
5340PL0916032Interchangeable
interchangeable cross-reference
interchangeable
E-19326-2Interchangeable
interchangeable cross-reference
interchangeable
S4823-H-3113863 PIECE 2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12291-34?
12291-34 is a SHAFT,SHOULDERED.
What parts can replace 12291-34?
There are 17 known substitutes for 12291-34: 12108, 821LX, SCB69784 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12291-34?
12291-34 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-01-485-9905. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026