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3R5649 — STUD,PLAIN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

3R5649: STUD,PLAIN.

The STUD,PLAIN is a the manufacturer industrial component. Key specifications include thread_class: 2A NUT THREAD A, thread_length: 0.840 INCHES NOMINAL NUT THREAD IN, overall_length: 3.000 INCHES NOMINAL IN, thread_direction: RIGHT-HAND NUT THREAD, nominal_thread_size: 0.375 INCHES STUD THREAD IN, thread_quantity_per_inch: 16 STUD THREAD. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-031-6365, 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
3R5649
NSN: 5307-01-031-6365
FSC: 5307 — Studs
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
thread_class2A NUT THREAD A
thread_length0.840 INCHES NOMINAL NUT THREAD IN
overall_length3.000 INCHES NOMINAL IN
thread_directionRIGHT-HAND NUT THREAD
nominal_thread_size0.375 INCHES STUD THREAD IN
thread_quantity_per_inch16 STUD THREAD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) STUD THREAD
NSN5307-01-031-6365
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3R5649 · 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: 0.840 INCHES NOMINAL NUT THREAD IN
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
•
NOMINAL THREAD SIZE: 0.375 INCHES STUD THREAD IN
•
THREAD CLASS: 2A STUD THREAD A
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.840 INCHES NOMINAL NUT THREAD IN
THREAD LENGTH0.750 INCHES NOMINAL STUD THREAD IN
OVERALL LENGTH3.000 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.375 INCHES STUD THREAD IN
NOMINAL THREAD SIZE0.375 INCHES NUT THREAD IN
THREAD CLASS2A STUD THREAD A
THREAD CLASS2A NUT THREAD A
THREAD QUANTITY PER INCH16 NUT 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 2
11634196-9Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1S-9130Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3R5649?
3R5649 is a STUD,PLAIN.
What parts can replace 3R5649?
There are 2 known substitutes for 3R5649: 11634196-9, 1S-9130. Substitute compatibility should be verified for your specific system.
What is the NSN for 3R5649?
3R5649 is cataloged in the U.S. Government catalog under NSN 5307-01-031-6365. 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.