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PTA-3811 — POWER TAKEOFF,TRANSMISSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

PTA-3811: POWER TAKEOFF,TRANSMISSION.

The POWER TAKEOFF,TRANSMISSION is a the manufacturer industrial component. Key specifications include diameter: 1.749 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN, material: STEEL, keyway_depth: 0.500 INCHES NOMINAL IN, keyway_width: 0.500 INCHES NOMINAL IN, control_cable: NOT INCLUDED, keyway_length: 5.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-218-0011, 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
PTA-3811
NSN: 3040-01-218-0011
NIINs: 012180011, 012180188, 012180367
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 77873 — ROCKFORD POWERTRAIN INC DIV POWERTRAIN ROCKFORD, INC. (USA)
SPECIFICATIONS
diameter1.749 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
materialSTEEL
keyway_depth0.500 INCHES NOMINAL IN
keyway_width0.500 INCHES NOMINAL IN
control_cableNOT INCLUDED
keyway_length5.000 INCHES NOMINAL IN
end_similarityIDENTICAL
overall_length16.938 INCHES NOMINAL IN
drive_gear_typeSPUR
first_end_stylePLAIN
second_end_styleFLAT KEYWAY
first_end_diameter0.9838 INCHES NOMINAL IN
NSN3040-01-218-0011
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available POWER TAKEOFF,TRANSMISSION TITLE COMPONENT PN PTA-3811 MFR POWER TAKEOFF,TRANSMIS
KEY FEATURES
•
FIRST END DIAMETER: 0.9838 INCHES NOMINAL IN
•
SECOND END DIAMETER: 1.7495 INCHES NOMINAL IN
•
FIRST END STYLE: PLAIN
•
END SIMILARITY: IDENTICAL
•
SECOND END STYLE: FLAT KEYWAY
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
FIRST END DIAMETER0.9838 INCHES NOMINAL IN
SECOND END DIAMETER1.7495 INCHES NOMINAL IN
FIRST END STYLEPLAIN
OVERALL LENGTH16.938 INCHES NOMINAL IN
END SIMILARITYIDENTICAL
SECOND END STYLEFLAT KEYWAY
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 2
PTA-3811 PC 6Reference document
Same NSN cross-reference
Reference document — Secondary reference
PT833Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 PTA-3811?
PTA-3811 is a POWER TAKEOFF,TRANSMISSION.
What parts can replace PTA-3811?
There are 2 known substitutes for PTA-3811: PTA-3811 PC 6, PT833. Substitute compatibility should be verified for your specific system.
What is the NSN for PTA-3811?
PTA-3811 is cataloged in the U.S. Government catalog under NSN 3040-01-218-0011. 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.