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803-8436639-63 — STUD,SHOULDERED

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

803-8436639-63: STUD,SHOULDERED.

The STUD,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316, thread_class: 2A STUD THREAD A, thread_length: 0.358 INCHES NOMINAL STUD THREAD IN, overall_length: 1.3125 INCHES NOMINAL IN, shoulder_length: 0.453 INCHES NOMINAL IN, style_designator: SHOULDERED. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-718-8447, 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
803-8436639-63
NSN: 5307-01-718-8447
FSC: 5307 — Studs
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 316
thread_class2A STUD THREAD A
thread_length0.358 INCHES NOMINAL STUD THREAD IN
overall_length1.3125 INCHES NOMINAL IN
shoulder_length0.453 INCHES NOMINAL IN
special_featuresNON THREADED END HAS 0.3125 INCH (NOM) HOLE AND 0.156 INCHES (NOM) DEEP; THREADED END HAS ONE 0.141 INCH (NOM) DIAMETER PLAIN THRU HOLE IN
style_designatorSHOULDERED
thread_directionRIGHT-HAND STUD THREAD
shoulder_diameter0.732 INCHES MINIMUM AND 0.734 INCHES MAXIMUM IN
nominal_thread_size0.625 INCHES STUD THREAD IN
end_item_identificationDOOR WTRTT QA LH 30
thread_quantity_per_inch18 STUD THREAD
NSN5307-01-718-8447
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 803-8436639-63 · 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: 0.358 INCHES NOMINAL STUD THREAD IN
•
STYLE DESIGNATOR: SHOULDERED
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A276/A276M, COND A AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
•
NOMINAL THREAD SIZE: 0.625 INCHES STUD THREAD IN
•
SHOULDER DIAMETER: 0.732 INCHES MINIMUM AND 0.734 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.358 INCHES NOMINAL STUD THREAD IN
STYLE DESIGNATORSHOULDERED
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A276/A276M, COND A AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE
OVERALL LENGTH1.3125 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
NOMINAL THREAD SIZE0.625 INCHES STUD THREAD IN
SHOULDER DIAMETER0.732 INCHES MINIMUM AND 0.734 INCHES MAXIMUM IN
SPECIAL FEATURESNON THREADED END HAS 0.3125 INCH (NOM) HOLE AND 0.156 INCHES (NOM) DEEP; THREADED END HAS ONE 0.141 INCH (NOM) DIAMETER PLAIN THRU HOLE IN
PART NAME ASSIGNED BY CONTROLLING AGENCYSTUD-CON ROD CORNER
THREAD CLASS2A STUD THREAD A
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
A030-066-QAA010-63Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
8436639Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 803-8436639-63?
803-8436639-63 is a STUD,SHOULDERED.
What parts can replace 803-8436639-63?
There are 2 known substitutes for 803-8436639-63: A030-066-QAA010-63, 8436639. Substitute compatibility should be verified for your specific system.
What is the NSN for 803-8436639-63?
803-8436639-63 is cataloged in the U.S. Government catalog under NSN 5307-01-718-8447. 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.