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S-400-3 — DISK,CLUTCH,VEHICULAR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

S-400-3: DISK,CLUTCH,VEHICULAR.

The DISK,CLUTCH,VEHICULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, leg_length: 0.718 INCHES NOMINAL ALL ENDS IN, seat_angle: 20.0 DEGREES ALL ENDS, thread_class: 2A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE ALL ENDS, connection_style: FLARELESS (TUBE) ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 2520-00-371-6878, 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
S-400-3
NSN: 2520-00-371-6878
NIINs: 003716878, 013118359, 013527424, 015005758
FSC: 2520 — Vehicular Power Transmission Components
CAGE: 45320 — PACCAR GOVERNMENT GROUP CO YARROW BAY OFFICE PK (USA)
SPECIFICATIONS
materialSTEEL OVERALL
leg_length0.718 INCHES NOMINAL ALL ENDS IN
seat_angle20.0 DEGREES ALL ENDS
thread_class2A ALL ENDS A
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
connection_styleFLARELESS (TUBE) ALL ENDS
surface_treatmentCADMIUM OVERALL
operating_pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.438 INCHES ALL ENDS IN
thread_series_designatorUNF ALL ENDS
furnished_items_and_quantity6 FERRULE SLEEVE AND 3 TUBE COUPLING NUT
nominal_outside_diameter_tube_accommodated0.250 INCHES ALL ENDS IN
NSN2520-00-371-6878
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available DISK,CLUTCH,VEHICULAR TITLE COMPONENT PN S-400-3 MFR DISK,CLUTCH,VEHICULAR
KEY FEATURES
•
DISK MATERIAL: STEEL
•
DESIGN TYPE: DRY
•
TEETH QUANTITY PER DISK: 84
•
OUTSIDE DIAMETER: 16.380 INCHES NOMINAL IN
•
FLEXIBILITY: RIGID
•
DISK TYPE: INTERNAL TEETH
TECHNICAL CHARACTERISTICS
DISK MATERIALSTEEL
DESIGN TYPEDRY
TEETH QUANTITY PER DISK84
OUTSIDE DIAMETER16.380 INCHES NOMINAL IN
FLEXIBILITYRIGID
DISK TYPEINTERNAL TEETH
SUBSTITUTES & CROSS-REFERENCES 7
70623876Reference document
Same NSN cross-reference
Reference document — Secondary reference
A-17181Reference document
Same NSN cross-reference
Reference document — Secondary reference
0623876Reference document
Same NSN cross-reference
Reference document — Secondary reference
PP265Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
RP-365Reference document
Same NSN cross-reference
Reference document — Secondary reference
0623876-0Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S-400-3?
S-400-3 is a DISK,CLUTCH,VEHICULAR.
What parts can replace S-400-3?
There are 7 known substitutes for S-400-3: 70623876, A-17181, 0623876 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S-400-3?
S-400-3 is cataloged in the U.S. Government catalog under NSN 2520-00-371-6878. 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.