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B3235709PC276 — STUD,RECESSED

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

B3235709PC276: STUD,RECESSED.

The STUD,RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 321 OR STEEL COMP 347, thread_class: 3A NUT THREAD A, thread_length: 2.500 INCHES NOMINAL NUT THREAD IN, overall_length: 11.260 INCHES NOMINAL IN, special_features: TAPERED THREADS; TAP HOLE STUD END 1.880 IN. DP IN, style_designator: RECESSED.

This part is cataloged in the U.S. Government catalog under NSN 5307-01-029-9222, 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
B3235709PC276
NSN: 5307-01-029-9222
FSC: 5307 — Studs
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 321 OR STEEL COMP 347
thread_class3A NUT THREAD A
thread_length2.500 INCHES NOMINAL NUT THREAD IN
overall_length11.260 INCHES NOMINAL IN
special_featuresTAPERED THREADS; TAP HOLE STUD END 1.880 IN. DP IN
style_designatorRECESSED
thread_directionRIGHT-HAND NUT THREAD
nominal_thread_size1.500 INCHES NUT THREAD IN
end_item_identificationSTEAM TURBINE,SHIPS PROPULSION SYSTEM
thread_quantity_per_inch8 NUT THREAD
thread_series_designatorUN STUD THREAD
length_of_recessed_portion_of_shank6.260 INCHES NOMINAL IN
NSN5307-01-029-9222
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: B3235709PC276 · 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: 2.500 INCHES NOMINAL NUT THREAD IN
•
STYLE DESIGNATOR: RECESSED
•
DIAMETER OF RECESSED PORTION OF SHANK: 1.320 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
•
NOMINAL THREAD SIZE: 1.500 INCHES NUT THREAD IN
TECHNICAL CHARACTERISTICS
THREAD LENGTH2.500 INCHES NOMINAL NUT THREAD IN
THREAD LENGTH2.500 INCHES NOMINAL STUD THREAD IN
STYLE DESIGNATORRECESSED
OVERALL LENGTH11.260 INCHES NOMINAL IN
DIAMETER OF RECESSED PORTION OF SHANK1.320 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE1.500 INCHES NUT THREAD IN
NOMINAL THREAD SIZE1.500 INCHES STUD THREAD IN
LENGTH OF RECESSED PORTION OF SHANK6.260 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 3
6643212-276Reference document
Same NSN cross-reference
Reference document — Secondary reference
6643212 PIECE 276Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
K6643212PC276Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B3235709PC276?
B3235709PC276 is a STUD,RECESSED.
What parts can replace B3235709PC276?
There are 3 known substitutes for B3235709PC276: 6643212-276, 6643212 PIECE 276, K6643212PC276. Substitute compatibility should be verified for your specific system.
What is the NSN for B3235709PC276?
B3235709PC276 is cataloged in the U.S. Government catalog under NSN 5307-01-029-9222. 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.