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B4951 — SHAFT,SHOULDERED

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

B4951: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL, end_similarity: NOT IDENTICAL, overall_length: 11.890 INCHES NOMINAL IN, first_end_style: THREADED CROSS DRILLED (THRU HOLE), second_end_style: EXTERNAL THREADED, first_end_diameter: 0.6230 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-595-9926, 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
B4951
NSN: 3040-01-595-9926
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 12437 — THERN INC (USA)
SPECIFICATIONS
materialSTEEL
end_similarityNOT IDENTICAL
overall_length11.890 INCHES NOMINAL IN
first_end_styleTHREADED CROSS DRILLED (THRU HOLE)
second_end_styleEXTERNAL THREADED
first_end_diameter0.6230 INCHES NOMINAL IN
second_end_diameter0.7470 INCHES NOMINAL IN
largest_step_diameter1.190 INCHES NOMINAL IN
second_end_external_thread_length0.969 INCHES NOMINAL IN
first_end_distance_from_hole_center_to_end0.155 INCHES NOMINAL IN
NSN3040-01-595-9926
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,SHOULDERED TITLE COMPONENT PN B4951 MFR SHAFT,SHOULDERED
KEY FEATURES
•
SECOND END EXTERNAL THREAD LENGTH: 0.969 INCHES NOMINAL IN
•
FIRST END DIAMETER: 0.6230 INCHES NOMINAL IN
•
SECOND END DIAMETER: 0.7470 INCHES NOMINAL IN
•
LARGEST STEP DIAMETER: 1.190 INCHES NOMINAL IN
•
FIRST END STYLE: THREADED CROSS DRILLED (THRU HOLE)
•
END SIMILARITY: NOT IDENTICAL
•
SECOND END STYLE: EXTERNAL THREADED
TECHNICAL CHARACTERISTICS
SECOND END EXTERNAL THREAD LENGTH0.969 INCHES NOMINAL IN
FIRST END DIAMETER0.6230 INCHES NOMINAL IN
SECOND END DIAMETER0.7470 INCHES NOMINAL IN
LARGEST STEP DIAMETER1.190 INCHES NOMINAL IN
FIRST END STYLETHREADED CROSS DRILLED (THRU HOLE)
OVERALL LENGTH11.890 INCHES NOMINAL IN
END SIMILARITYNOT IDENTICAL
SECOND END STYLEEXTERNAL THREADED
MATERIALSTEEL
FIRST END DISTANCE FROM HOLE CENTER TO END0.155 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

No substitute or cross-reference records for this part.

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 B4951?
B4951 is a SHAFT,SHOULDERED.
What is the NSN for B4951?
B4951 is cataloged in the U.S. Government catalog under NSN 3040-01-595-9926. 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.