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BB16040 — STUD,SHOULDERED

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

BB16040: STUD,SHOULDERED.

The STUD,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL, thread_length: 1.062 INCHES NOMINAL STUD THREAD IN, overall_length: 3.469 INCHES NOMINAL IN, hardness_rating: 18.0 ROCKWELL C MINIMUM AND 28.0 ROCKWELL C MAXIMUM, shoulder_length: 0.188 INCHES NOMINAL IN, style_designator: SHOULDERED. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-514-6834, 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
BB16040
NSN: 5307-00-514-6834
FSC: 5307 — Studs
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
materialSTEEL
thread_length1.062 INCHES NOMINAL STUD THREAD IN
overall_length3.469 INCHES NOMINAL IN
hardness_rating18.0 ROCKWELL C MINIMUM AND 28.0 ROCKWELL C MAXIMUM
shoulder_length0.188 INCHES NOMINAL IN
style_designatorSHOULDERED
thread_directionRIGHT-HAND STUD THREAD
shoulder_diameter1.125 INCHES NOMINAL IN
nominal_thread_size0.750 INCHES NUT THREAD IN
nut_end_shank_length0.875 INCHES NOMINAL IN
distance_across_flats0.938 INCHES NOMINAL IN
stud_end_shank_length0.115 INCHES NOMINAL IN
NSN5307-00-514-6834
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: BB16040 · 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
•
NUT END SHANK DIAMETER: 0.785 INCHES NOMINAL IN
•
THREAD LENGTH: 1.062 INCHES NOMINAL STUD THREAD IN
•
HARDNESS RATING: 18.0 ROCKWELL C MINIMUM AND 28.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: SHOULDERED
•
THREAD PITCH DIAMETERS: +0.7044 TO 0.7084 INCHES NUT THREAD IN
TECHNICAL CHARACTERISTICS
NUT END SHANK DIAMETER0.785 INCHES NOMINAL IN
THREAD LENGTH1.062 INCHES NOMINAL STUD THREAD IN
THREAD LENGTH1.219 INCHES NOMINAL NUT THREAD IN
HARDNESS RATING18.0 ROCKWELL C MINIMUM AND 28.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORSHOULDERED
THREAD PITCH DIAMETERS+0.7044 TO 0.7084 INCHES NUT THREAD IN
THREAD PITCH DIAMETERS+0.7044 TO 0.7084 INCHES STUD THREAD IN
OVERALL LENGTH3.469 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
SUBSTITUTES & CROSS-REFERENCES 9
12676Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SFP156Reference document
Same NSN cross-reference
Reference document — Secondary reference
13097EReference document
Same NSN cross-reference
Reference document — Secondary reference
13097Reference document
Same NSN cross-reference
Reference document — Secondary reference
1B6161Reference document
Same NSN cross-reference
Reference document — Secondary reference
18A13097Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 BB16040?
BB16040 is a STUD,SHOULDERED.
What parts can replace BB16040?
There are 9 known substitutes for BB16040: 12676, SFP156, 13097E and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BB16040?
BB16040 is cataloged in the U.S. Government catalog under NSN 5307-00-514-6834. 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.