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6405-21 — SHAFT,SHOULDERED

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

6405-21: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include special_features: NEXT HIGHER ASSEMBLY: PROPSHAFT ASSEMBLY P/N 260C; THIS IS ONLY A SUB-PART OF THE ASSEMBLY; SPLINED ON ONE END, end_item_identification: TRUCK, TRACTOR MODEL: M878A2; NSN 2320-01-452-5579, part_name_assigned_by_controlling_agency: SLIP STUB SHAFT. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-376-6707, 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
6405-21
NSN: 5325-01-376-6707
NIINs: 013766707, 014982256
FSC: 5325 — Fastening Devices
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
special_featuresNEXT HIGHER ASSEMBLY: PROPSHAFT ASSEMBLY P/N 260C; THIS IS ONLY A SUB-PART OF THE ASSEMBLY; SPLINED ON ONE END
end_item_identificationTRUCK, TRACTOR MODEL: M878A2; NSN 2320-01-452-5579
part_name_assigned_by_controlling_agencySLIP STUB SHAFT
NSN5325-01-376-6707
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 6405-21 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 1
69022P017Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6405-21?
6405-21 is a SHAFT,SHOULDERED.
What parts can replace 6405-21?
There is 1 known substitute for 6405-21: 69022P017. Substitute compatibility should be verified for your specific system.
What is the NSN for 6405-21?
6405-21 is cataloged in the U.S. Government catalog under NSN 5325-01-376-6707. This indicates validated use in U.S. government and defense supply chains.
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