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811E619 — SPIDER,DIFFERENTIAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

811E619: SPIDER,DIFFERENTIAL.

The SPIDER,DIFFERENTIAL is a the manufacturer industrial component. Key specifications include material: STEEL, arm_length: 2.156 INCHES NOMINAL IN, arm_diameter: 1.122 INCHES MINIMUM AND 1.127 INCHES MAXIMUM IN, hub_thickness: 0.9375 INCHES NOMINAL IN, hub_bore_diameter: 2.1875 INCHES NOMINAL IN, length_across_arms: 7.5625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2520-00-303-5074, 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
811E619
NSN: 2520-00-303-5074
FSC: 2520 — Vehicular Power Transmission Components
CAGE: 02413 — KERSEY / AMERICAN LAFRANCE A DIV OF FIGGIE INTERNATIONAL INC (USA)
SPECIFICATIONS
materialSTEEL
arm_length2.156 INCHES NOMINAL IN
arm_diameter1.122 INCHES MINIMUM AND 1.127 INCHES MAXIMUM IN
hub_thickness0.9375 INCHES NOMINAL IN
special_featuresARM LUBRICANT METHOD PASSAGE:FLATS;LUBRICATION MODE:IN LUBRICATION;FSC APPLICATION DATA:VEHICULAR POWER TRANSMISSION COMPONENTS
hub_bore_diameter2.1875 INCHES NOMINAL IN
length_across_arms7.5625 INCHES NOMINAL IN
hub_outside_diameter3.4375 INCHES NOMINAL IN
NSN2520-00-303-5074
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPIDER,DIFFERENTIAL TITLE COMPONENT PN 811E619 MFR SPIDER,DIFFERENTIAL
KEY FEATURES
•
HUB OUTSIDE DIAMETER: 3.4375 INCHES NOMINAL IN
•
HUB BORE DIAMETER: 2.1875 INCHES NOMINAL IN
•
ARM LENGTH: 2.156 INCHES NOMINAL IN
•
LENGTH ACROSS ARMS: 7.5625 INCHES NOMINAL IN
•
MATERIAL: STEEL
•
ARM DIAMETER: 1.122 INCHES MINIMUM AND 1.127 INCHES MAXIMUM IN
•
HUB THICKNESS: 0.9375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HUB OUTSIDE DIAMETER3.4375 INCHES NOMINAL IN
HUB BORE DIAMETER2.1875 INCHES NOMINAL IN
ARM LENGTH2.156 INCHES NOMINAL IN
SPECIAL FEATURESARM LUBRICANT METHOD PASSAGE:FLATS;LUBRICATION MODE:IN LUBRICATION;FSC APPLICATION DATA:VEHICULAR POWER TRANSMISSION COMPONENTS
LENGTH ACROSS ARMS7.5625 INCHES NOMINAL IN
MATERIALSTEEL
ARM DIAMETER1.122 INCHES MINIMUM AND 1.127 INCHES MAXIMUM IN
HUB THICKNESS0.9375 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 3
13929Reference document
Same NSN cross-reference
Reference document — Secondary reference
91003R1Reference document
Same NSN cross-reference
Reference document — Secondary reference
3278F84Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 811E619?
811E619 is a SPIDER,DIFFERENTIAL.
What parts can replace 811E619?
There are 3 known substitutes for 811E619: 13929, 91003R1, 3278F84. Substitute compatibility should be verified for your specific system.
What is the NSN for 811E619?
811E619 is cataloged in the U.S. Government catalog under NSN 2520-00-303-5074. 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.