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42305E590 — RING,STUD ASSEMBLY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

42305E590: RING,STUD ASSEMBLY.

The RING,STUD ASSEMBLY is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5307-01-223-3184, 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
42305E590
NSN: 5307-01-223-3184
FSC: 5307 — Studs
CAGE: 82402 — TRIUMPH GEAR SYSTEMS INC DBA TRIUMPH GEAR SYSTEMS INC (USA)
SPECIFICATIONS
Part Number42305E590
NSN5307-01-223-3184
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 42305E590 · 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 2
42305-590Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
4305-590Reference 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 42305E590?
42305E590 is a RING,STUD ASSEMBLY.
What parts can replace 42305E590?
There are 2 known substitutes for 42305E590: 42305-590, 4305-590. Substitute compatibility should be verified for your specific system.
What is the NSN for 42305E590?
42305E590 is cataloged in the U.S. Government catalog under NSN 5307-01-223-3184. This indicates validated use in U.S. government and defense supply chains.
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