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2040871-1 — BACKSHELL,ELECTRICAL CONNECTOR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

2040871-1: BACKSHELL,ELECTRICAL CONNECTOR.

The BACKSHELL,ELECTRICAL CONNECTOR is a the manufacturer industrial component. Key specifications include face_width: 1.187 INCHES NOMINAL IN, shaft_type: SHOULDERED, teeth_type: STRAIGHT, pitch_angle: 45.0000 DEGREES, shaft_length: 15.192 INCHES NOMINAL IN, gear_material: STEEL COMP 4140. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-129-1838, 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
2040871-1
NSN: 3040-01-129-1838
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 0ZWK8 — MOOG MILITARY AIRCRAFT LLC (USA)
SPECIFICATIONS
face_width1.187 INCHES NOMINAL IN
shaft_typeSHOULDERED
teeth_typeSTRAIGHT
pitch_angle45.0000 DEGREES
shaft_length15.192 INCHES NOMINAL IN
gear_materialSTEEL COMP 4140
overall_length17.125 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
shaft_end_size1.122 INCHES IN
shaft_end_typeSPLINED STRAIGHT
shaft_materialSTEEL COMP 4140
teeth_quantity30
NSN3040-01-129-1838
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BACKSHELL,ELECTRICAL CONNECTOR TITLE COMPONENT PN 2040871-1 MFR BACKSHELL,ELECTRICAL C
KEY FEATURES
•
SHAFT TYPE: SHOULDERED
•
SHAFT MATERIAL: STEEL COMP 4140
•
SHAFT LARGEST DIAMETER: 2.755 INCHES MINIMUM AND 2.756 INCHES MAXIMUM IN
•
SHAFT END SIZE: 1.122 INCHES IN
•
TEETH QUANTITY: 30
•
PITCH ANGLE: 45.0000 DEGREES
•
DIAMETRAL PITCH: 6
•
TEETH TYPE: STRAIGHT
TECHNICAL CHARACTERISTICS
SHAFT TYPESHOULDERED
SHAFT MATERIALSTEEL COMP 4140
SHAFT LARGEST DIAMETER2.755 INCHES MINIMUM AND 2.756 INCHES MAXIMUM IN
SHAFT END SIZE1.122 INCHES IN
TEETH QUANTITY30
PITCH ANGLE45.0000 DEGREES
DIAMETRAL PITCH6
TEETH TYPESTRAIGHT
GEAR OUTSIDE DIAMETER5.189 INCHES NOMINAL IN
CRITICALITY CODE JUSTIFICATIONFEAT
SUBSTITUTES & CROSS-REFERENCES 2
2040871Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
10106865Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 2040871-1?
2040871-1 is a BACKSHELL,ELECTRICAL CONNECTOR.
What parts can replace 2040871-1?
There are 2 known substitutes for 2040871-1: 2040871, 10106865. Substitute compatibility should be verified for your specific system.
What is the NSN for 2040871-1?
2040871-1 is cataloged in the U.S. Government catalog under NSN 3040-01-129-1838. 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.