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5210311 — SHAFT,SHOULDERED

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

5210311: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340, end_similarity: NOT IDENTICAL, overall_length: 28.750 INCHES NOMINAL IN, surface_finish: 63.0 MICROINCHES, first_end_style: FLAT KEYWAY, second_end_style: FLAT KEYWAY. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-252-0732, 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
5210311
NSN: 3040-01-252-0732
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 03679 — M ROSENBLATT & SON INC (USA)
SPECIFICATIONS
materialSTEEL COMP 4340
step_quantity9
end_similarityNOT IDENTICAL
overall_length28.750 INCHES NOMINAL IN
surface_finish63.0 MICROINCHES
first_end_styleFLAT KEYWAY
second_end_styleFLAT KEYWAY
special_featuresTWO THREADED HOLES IN FIRST END 3/8-24UNF-2B X 1/2 IN. DP 180 DEG APART IN
first_end_diameter2.2511 INCHES NOMINAL IN
second_end_diameter2.4997 INCHES NOMINAL IN
largest_step_diameter3.500 INCHES NOMINAL IN
external_keyway_length2.185 INCHES NOMINAL FIRST END IN
NSN3040-01-252-0732
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,SHOULDERED TITLE COMPONENT PN 5210311 MFR SHAFT,SHOULDERED
KEY FEATURES
•
SURFACE FINISH: 63.0 MICROINCHES
•
STEP QUANTITY: 9
•
FIRST END DIAMETER: 2.2511 INCHES NOMINAL IN
•
SECOND END DIAMETER: 2.4997 INCHES NOMINAL IN
•
LARGEST STEP DIAMETER: 3.500 INCHES NOMINAL IN
•
FIRST END STYLE: FLAT KEYWAY
•
SECOND END KEYWAY WIDTH: 0.6260 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES
STEP QUANTITY9
FIRST END DIAMETER2.2511 INCHES NOMINAL IN
SECOND END DIAMETER2.4997 INCHES NOMINAL IN
LARGEST STEP DIAMETER3.500 INCHES NOMINAL IN
FIRST END STYLEFLAT KEYWAY
SECOND END KEYWAY WIDTH0.6260 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH28.750 INCHES NOMINAL IN
FIRST END KEYWAY DEPTH0.284 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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5210311?
5210311 is a SHAFT,SHOULDERED.
What is the NSN for 5210311?
5210311 is cataloged in the U.S. Government catalog under NSN 3040-01-252-0732. 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.