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128884 — SHAFT,SHOULDERED

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

128884: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL, step_quantity: 12, end_similarity: IDENTICAL, overall_length: 106.438 INCHES NOMINAL IN, first_end_style: FLAT KEYWAY, first_end_diameter: 3.9380 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-331-6157, 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
128884
NSN: 3040-01-331-6157
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 34712 — LAKE SHORE SYSTEMS, INC. (USA)
SPECIFICATIONS
materialSTEEL
step_quantity12
end_similarityIDENTICAL
overall_length106.438 INCHES NOMINAL IN
first_end_styleFLAT KEYWAY
first_end_diameter3.9380 INCHES NOMINAL IN
largest_step_diameter3.250 INCHES NOMINAL IN
NSN3040-01-331-6157
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,SHOULDERED TITLE COMPONENT PN 128884 MFR SHAFT,SHOULDERED
KEY FEATURES
•
STEP QUANTITY: 12
•
FIRST END DIAMETER: 3.9380 INCHES NOMINAL IN
•
LARGEST STEP DIAMETER: 3.250 INCHES NOMINAL IN
•
FIRST END STYLE: FLAT KEYWAY
•
END SIMILARITY: IDENTICAL
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
STEP QUANTITY12
FIRST END DIAMETER3.9380 INCHES NOMINAL IN
LARGEST STEP DIAMETER3.250 INCHES NOMINAL IN
FIRST END STYLEFLAT KEYWAY
OVERALL LENGTH106.438 INCHES NOMINAL IN
END SIMILARITYIDENTICAL
MATERIALSTEEL
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 1
319134 FIND 3Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 128884?
128884 is a SHAFT,SHOULDERED.
What parts can replace 128884?
There is 1 known substitute for 128884: 319134 FIND 3. Substitute compatibility should be verified for your specific system.
What is the NSN for 128884?
128884 is cataloged in the U.S. Government catalog under NSN 3040-01-331-6157. 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.