PartsTable
Technical Data Sheet
6631F ✓ Verified by PartsTable
· BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The STUD,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL, thread_length: 0.812 INCHES MAXIMUM STUD THREAD IN, overall_length: 2.125 INCHES NOMINAL IN, thread_direction: RIGHT-HAND STUD THREAD, nominal_thread_size: 0.500 INCHES STUD THREAD IN, thread_pitch_diameters: +0.4530 TO 0.4560 INCHES STUD THREAD IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-00-733-1500, 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
6631F
NSN: 5307-00-733-1500
FSC: 5307
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
materialSTEEL
thread_length0.812 INCHES MAXIMUM STUD THREAD IN
overall_length2.125 INCHES NOMINAL IN
thread_directionRIGHT-HAND STUD THREAD
nominal_thread_size0.500 INCHES STUD THREAD IN
thread_pitch_diameters+0.4530 TO 0.4560 INCHES STUD THREAD IN
thread_quantity_per_inch13 STUD THREAD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) STUD THREAD
NSN5307-00-733-1500
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 6631F · 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 SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) STUD THREAD
THREAD LENGTH: 0.812 INCHES MAXIMUM STUD THREAD IN
THREAD QUANTITY PER INCH: 20 NUT THREAD
THREAD DIRECTION: RIGHT-HAND STUD THREAD
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) STUD THREAD
THREAD SERIES DESIGNATORUNF NUT THREAD
OVERALL LENGTH2.125 INCHES NOMINAL IN
THREAD LENGTH0.812 INCHES MAXIMUM STUD THREAD IN
THREAD QUANTITY PER INCH20 NUT THREAD
THREAD DIRECTIONRIGHT-HAND STUD THREAD
MATERIALSTEEL
THREAD DIRECTIONRIGHT-HAND NUT THREAD
THREAD PITCH DIAMETERS+0.4530 TO 0.4560 INCHES STUD THREAD IN
NOMINAL THREAD SIZE0.500 INCHES NUT THREAD IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
23407Interchangeable
interchangeable cross-reference
interchangeable
38323Interchangeable
interchangeable cross-reference
interchangeable
145290 REVAInterchangeable
interchangeable cross-reference
interchangeable
145290Interchangeable
interchangeable cross-reference
interchangeable
UDB-940300Interchangeable
interchangeable cross-reference
interchangeable
38404Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6631F?
6631F is a STUD,PLAIN.
What parts can replace 6631F?
There are 22 known substitutes for 6631F: 23407, 38323, 145290 REVA and 19 more. Substitute compatibility should be verified for your specific system.
Is 6631F still available?
6631F is currently cancelled.
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