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ME-401-520 — STUD,PLAIN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

ME-401-520: STUD,PLAIN.

The STUD,PLAIN is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, thread_class: 3A STUD THREAD A, overall_length: 3.500 INCHES NOMINAL IN, thread_direction: RIGHT-HAND STUD THREAD, nominal_thread_size: 0.625 INCHES STUD THREAD IN, end_item_identification: COUPLING. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-642-2788, 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
ME-401-520
NSN: 5307-01-642-2788
FSC: 5307 — Studs
CAGE: 18444 — OIL STATES INDUSTRIES, INC. DIV SPECIAL PRODUCTS DIV (USA)
SPECIFICATIONS
materialCOPPER ALLOY
thread_class3A STUD THREAD A
overall_length3.500 INCHES NOMINAL IN
thread_directionRIGHT-HAND STUD THREAD
nominal_thread_size0.625 INCHES STUD THREAD IN
end_item_identificationCOUPLING
thread_quantity_per_inch11 STUD THREAD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) STUD THREAD
material_document_and_classificationQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agencySTUD
NSN5307-01-642-2788
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: ME-401-520 · 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
KEY FEATURES
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
•
NOMINAL THREAD SIZE: 0.625 INCHES STUD THREAD IN
•
THREAD CLASS: 3A STUD THREAD A
•
THREAD QUANTITY PER INCH: 11 STUD THREAD
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH3.500 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
NOMINAL THREAD SIZE0.625 INCHES STUD THREAD IN
PART NAME ASSIGNED BY CONTROLLING AGENCYSTUD
THREAD CLASS3A STUD THREAD A
END ITEM IDENTIFICATIONCOUPLING
THREAD QUANTITY PER INCH11 STUD THREAD
MATERIALCOPPER ALLOY
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) STUD THREAD
OTHER ITEMS IN FSC 5307 — Studs
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5307-00-000-6436 5307-00-001-1578 5307-00-001-1761 5307-00-001-2366 5307-00-001-4491 5307-00-001-4624 5307-00-001-4625
SUBSTITUTES & CROSS-REFERENCES 1
299947 ITEM 14Reference 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 ME-401-520?
ME-401-520 is a STUD,PLAIN.
What parts can replace ME-401-520?
There is 1 known substitute for ME-401-520: 299947 ITEM 14. Substitute compatibility should be verified for your specific system.
What is the NSN for ME-401-520?
ME-401-520 is cataloged in the U.S. Government catalog under NSN 5307-01-642-2788. This indicates validated use in U.S. government and defense supply chains.
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