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Technical Data Sheet
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840-683 — SHAFT,STRAIGHT

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

840-683: SHAFT,STRAIGHT.

The SHAFT,STRAIGHT is a the manufacturer industrial component. Key specifications include end_item_identification: 4320-00-411-8147. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-428-5403, 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
840-683
NSN: 5306-00-428-5403
NIINs: 004285403, 013011634
FSC: 5306 — Bolts
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
end_item_identification4320-00-411-8147
NSN5306-00-428-5403
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 840-683 · 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

No substitute or cross-reference records for this part.

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 840-683?
840-683 is a SHAFT,STRAIGHT.
What is the NSN for 840-683?
840-683 is cataloged in the U.S. Government catalog under NSN 5306-00-428-5403. This indicates validated use in U.S. government and defense supply chains.
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