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6643220 PIECE 48 — STUD,SHOULDERED

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

6643220 PIECE 48: STUD,SHOULDERED.

The STUD,SHOULDERED is a the manufacturer industrial component. Key specifications include thread_length: 0.922 INCHES NOMINAL NUT THREAD IN, overall_length: 8.000 INCHES NOMINAL IN, thread_direction: RIGHT-HAND NUT THREAD, nominal_thread_size: 1.250 INCHES NUT THREAD IN, thread_quantity_per_inch: 8 NUT THREAD. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-134-5519, 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
6643220 PIECE 48
NSN: 5307-01-134-5519
FSC: 5307 — Studs
CAGE: 01289 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
thread_length0.922 INCHES NOMINAL NUT THREAD IN
overall_length8.000 INCHES NOMINAL IN
thread_directionRIGHT-HAND NUT THREAD
nominal_thread_size1.250 INCHES NUT THREAD IN
thread_quantity_per_inch8 NUT THREAD
NSN5307-01-134-5519
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 6643220 PIECE 48 · 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: 0.922 INCHES NOMINAL NUT THREAD IN
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
•
NOMINAL THREAD SIZE: 1.250 INCHES NUT THREAD IN
•
THREAD QUANTITY PER INCH: 8 NUT THREAD
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.922 INCHES NOMINAL NUT THREAD IN
THREAD LENGTH0.922 INCHES NOMINAL STUD THREAD IN
OVERALL LENGTH8.000 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE1.250 INCHES NUT THREAD IN
NOMINAL THREAD SIZE1.250 INCHES STUD THREAD IN
THREAD QUANTITY PER INCH8 NUT THREAD
THREAD QUANTITY PER INCH8 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

No substitute or cross-reference records for this part.

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 6643220 PIECE 48?
6643220 PIECE 48 is a STUD,SHOULDERED.
What is the NSN for 6643220 PIECE 48?
6643220 PIECE 48 is cataloged in the U.S. Government catalog under NSN 5307-01-134-5519. 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.