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Technical Data Sheet
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2503521-3 — STUD,WELDING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

2503521-3: STUD,WELDING.

The STUD,WELDING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5307-01-425-6372, 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
2503521-3
NSN: 5307-01-425-6372
FSC: 5307 — Studs
CAGE: 07187 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL (USA)
SPECIFICATIONS
Part Number2503521-3
NSN5307-01-425-6372
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2503521-3 · 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
ASSIGN NSN/MAKE AF USERSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 2503521-3?
2503521-3 is a STUD,WELDING.
What parts can replace 2503521-3?
There is 1 known substitute for 2503521-3: ASSIGN NSN/MAKE AF USER. Substitute compatibility should be verified for your specific system.
What is the NSN for 2503521-3?
2503521-3 is cataloged in the U.S. Government catalog under NSN 5307-01-425-6372. This indicates validated use in U.S. government and defense supply chains.
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