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014399 — STUD,WELDING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

014399: STUD,WELDING.

The STUD,WELDING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304, thread_class: 2A NUT THREAD A, thread_length: 0.750 INCHES NOMINAL NUT THREAD IN, style_designator: WELDING, thread_direction: RIGHT-HAND NUT THREAD, nominal_thread_size: 0.312 INCHES NUT THREAD IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-436-1263, 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
014399
NSN: 5307-01-436-1263
FSC: 5307 — Studs
CAGE: 0BLA1 — ERICO INTL (USA)
SPECIFICATIONS
materialSTEEL COMP 304
thread_class2A NUT THREAD A
thread_length0.750 INCHES NOMINAL NUT THREAD IN
style_designatorWELDING
thread_directionRIGHT-HAND NUT THREAD
nominal_thread_size0.312 INCHES NUT THREAD IN
unthreaded_end_length0.250 INCHES NOMINAL IN
unthreaded_end_diameter0.275 INCHES NOMINAL IN
thread_quantity_per_inch18 LOCATION NOT OTHERWISE SPECIFIED
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) NUT THREAD
length_excluding_fluxed_welding_tip1.000 INCHES NOMINAL IN
material_document_and_classificationSAE J405 ASSN STD SINGLE MATERIAL RESPONSE
NSN5307-01-436-1263
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 014399 · 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
•
THREAD LENGTH: 0.750 INCHES NOMINAL NUT THREAD IN
•
STYLE DESIGNATOR: WELDING
•
UNTHREADED END DIAMETER: 0.275 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE J405 ASSN STD SINGLE MATERIAL RESPONSE
•
LENGTH EXCLUDING FLUXED WELDING TIP: 1.000 INCHES NOMINAL IN
•
UNTHREADED END LENGTH: 0.250 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND NUT THREAD
•
NOMINAL THREAD SIZE: 0.312 INCHES NUT THREAD IN
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.750 INCHES NOMINAL NUT THREAD IN
STYLE DESIGNATORWELDING
UNTHREADED END DIAMETER0.275 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J405 ASSN STD SINGLE MATERIAL RESPONSE
LENGTH EXCLUDING FLUXED WELDING TIP1.000 INCHES NOMINAL IN
UNTHREADED END LENGTH0.250 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.312 INCHES NUT THREAD IN
THREAD CLASS2A NUT THREAD A
THREAD QUANTITY PER INCH18 LOCATION NOT OTHERWISE SPECIFIED
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
5/16 18 UNC X 1 CMF SSTSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 014399?
014399 is a STUD,WELDING.
What parts can replace 014399?
There is 1 known substitute for 014399: 5/16 18 UNC X 1 CMF SST. Substitute compatibility should be verified for your specific system.
What is the NSN for 014399?
014399 is cataloged in the U.S. Government catalog under NSN 5307-01-436-1263. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.