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007703 — STUD,WELDING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

007703: STUD,WELDING.

The STUD,WELDING is a the manufacturer industrial component. Key specifications include material: STEEL, thread_class: 2A NUT THREAD A, thread_length: 1.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, weld_leg_length: 3.625 INCHES NOMINAL IN, style_designator: WELDING, thread_direction: RIGHT-HAND NUT THREAD. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-227-0642, 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
007703
NSN: 5307-01-227-0642
FSC: 5307 — Studs
CAGE: 84483 — ERICO FASTENING SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL
thread_class2A NUT THREAD A
thread_length1.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
weld_leg_length3.625 INCHES NOMINAL IN
style_designatorWELDING
thread_directionRIGHT-HAND NUT THREAD
shoulder_diameter0.565 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN
nominal_thread_size0.375 INCHES NUT THREAD IN
unthreaded_end_diameter0.325 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN
thread_quantity_per_inch16 NUT THREAD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) NUT THREAD
specification/standard_data81349-MIL-S-24149/1 GOVERNMENT SPECIFICATION
NSN5307-01-227-0642
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 007703 · 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: 1.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
STYLE DESIGNATOR: WELDING
•
UNTHREADED END DIAMETER: 0.325 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN
•
THREAD DIRECTION: RIGHT-HAND NUT THREAD
•
NOMINAL THREAD SIZE: 0.375 INCHES NUT THREAD IN
•
SPECIFICATION/STANDARD DATA: 81349-MIL-S-24149/1 GOVERNMENT SPECIFICATION
•
SHOULDER DIAMETER: 0.565 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN
•
WELD LEG LENGTH: 3.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
THREAD LENGTH1.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
STYLE DESIGNATORWELDING
UNTHREADED END DIAMETER0.325 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.375 INCHES NUT THREAD IN
SPECIFICATION/STANDARD DATA81349-MIL-S-24149/1 GOVERNMENT SPECIFICATION
SHOULDER DIAMETER0.565 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN
WELD LEG LENGTH3.625 INCHES NOMINAL IN
THREAD CLASS2A NUT THREAD A
TEST DATA DOCUMENT81349-MIL-S-24149/1 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
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 2
LO1395Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
P00399NRPReference document
Same NSN cross-reference
Reference document — Secondary reference
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 007703?
007703 is a STUD,WELDING.
What parts can replace 007703?
There are 2 known substitutes for 007703: LO1395, P00399NRP. Substitute compatibility should be verified for your specific system.
What is the NSN for 007703?
007703 is cataloged in the U.S. Government catalog under NSN 5307-01-227-0642. 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.