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PBF7521S16D28 — BOLT,SHEAR

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

PBF7521S16D28: BOLT,SHEAR.

The BOLT,SHEAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: SPLINE DRIVE SHEAR HEAD, grip_length: 1.726 INCHES MINIMUM AND 1.746 INCHES MAXIMUM IN, head_height: 0.539 INCHES NOMINAL IN, thread_class: 3A A, grip_diameter: 0.9980 INCHES MINIMUM AND 0.9990 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-050-4984, 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
PBF7521S16D28
NSN: 5306-01-050-4984
FSC: 5306 — Bolts
CAGE: 27624 — SPS TECHNOLOGIES LLC DBA PB FASTENERS DIV PB FASTENERS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleSPLINE DRIVE SHEAR HEAD
grip_length1.726 INCHES MINIMUM AND 1.746 INCHES MAXIMUM IN
head_height0.539 INCHES NOMINAL IN
thread_class3A A
grip_diameter0.9980 INCHES MINIMUM AND 0.9990 INCHES MAXIMUM IN
thread_length0.850 INCHES NOMINAL IN
fastener_length2.576 INCHES MINIMUM AND 2.596 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
width_between_flats1.715 INCHES NOMINAL IN
single_shear_strengthERR-060
NSN5306-01-050-4984
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: PBF7521S16D28 · 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
•
HEAD HEIGHT: 0.539 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.576 INCHES MINIMUM AND 2.596 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.850 INCHES NOMINAL IN
•
SHANK UNTHREADED HOLE DIAMETER: 0.141 INCHES NOMINAL FIRST HOLE IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
SINGLE SHEAR STRENGTH: ERR-060
•
NOMINAL THREAD DIAMETER: 1.000 INCHES IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.539 INCHES NOMINAL IN
FASTENER LENGTH2.576 INCHES MINIMUM AND 2.596 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONNAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.850 INCHES NOMINAL IN
SHANK UNTHREADED HOLE DIAMETER0.141 INCHES NOMINAL FIRST HOLE IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SINGLE SHEAR STRENGTHERR-060
NOMINAL THREAD DIAMETER1.000 INCHES IN
HEAD STYLESPLINE DRIVE SHEAR HEAD
THREAD DIRECTIONRIGHT-HAND
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES 6
5306PL1802917Reference document
Same NSN cross-reference
Reference document — Informative reference only
5306PL1496829Reference document
Same NSN cross-reference
Reference document — Informative reference only
C7521S16D28Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
120978S16D28Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
VS3133S16D28Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AIC596S16D28Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is PBF7521S16D28?
PBF7521S16D28 is a BOLT,SHEAR.
What parts can replace PBF7521S16D28?
There are 6 known substitutes for PBF7521S16D28: 5306PL1802917, 5306PL1496829, C7521S16D28 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PBF7521S16D28?
PBF7521S16D28 is cataloged in the U.S. Government catalog under NSN 5306-01-050-4984. 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.