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8380940 — SPIDER,DIFFERENTIAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

8380940: SPIDER,DIFFERENTIAL.

The SPIDER,DIFFERENTIAL is a the manufacturer industrial component. Key specifications include material: STEEL, arm_length: 1.633 INCHES NOMINAL IN, arm_diameter: 1.307 INCHES NOMINAL IN, hub_thickness: 0.047 INCHES NOMINAL IN, hub_bore_diameter: 1.312 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN, length_across_arms: 5.880 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2520-01-170-4990, 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
8380940
NSN: 2520-01-170-4990
FSC: 2520 — Vehicular Power Transmission Components
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL
arm_length1.633 INCHES NOMINAL IN
arm_diameter1.307 INCHES NOMINAL IN
hub_thickness0.047 INCHES NOMINAL IN
hub_bore_diameter1.312 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
length_across_arms5.880 INCHES NOMINAL IN
hub_outside_diameter2.614 INCHES NOMINAL IN
NSN2520-01-170-4990
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPIDER,DIFFERENTIAL TITLE COMPONENT PN 8380940 MFR SPIDER,DIFFERENTIAL
KEY FEATURES
•
HUB OUTSIDE DIAMETER: 2.614 INCHES NOMINAL IN
•
HUB BORE DIAMETER: 1.312 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
•
ARM LENGTH: 1.633 INCHES NOMINAL IN
•
LENGTH ACROSS ARMS: 5.880 INCHES NOMINAL IN
•
MATERIAL: STEEL
•
ARM DIAMETER: 1.307 INCHES NOMINAL IN
•
HUB THICKNESS: 0.047 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HUB OUTSIDE DIAMETER2.614 INCHES NOMINAL IN
HUB BORE DIAMETER1.312 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
ARM LENGTH1.633 INCHES NOMINAL IN
LENGTH ACROSS ARMS5.880 INCHES NOMINAL IN
MATERIALSTEEL
ARM DIAMETER1.307 INCHES NOMINAL IN
HUB THICKNESS0.047 INCHES NOMINAL IN
OTHER ITEMS IN FSC 2520 — Vehicular Power Transmission Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2520-00-005-4937 2520-00-006-6257 2520-00-008-9977 2520-00-039-6567 2520-00-242-3316 2520-00-358-3905 2520-00-366-7191 2520-00-708-6603
SUBSTITUTES & CROSS-REFERENCES 1
2520011704990Reference 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)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8380940?
8380940 is a SPIDER,DIFFERENTIAL.
What parts can replace 8380940?
There is 1 known substitute for 8380940: 2520011704990. Substitute compatibility should be verified for your specific system.
What is the NSN for 8380940?
8380940 is cataloged in the U.S. Government catalog under NSN 2520-01-170-4990. 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.