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D528280-5 — BOLT,ECCENTRIC HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

D528280-5: BOLT,ECCENTRIC HEAD.

The BOLT,ECCENTRIC HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: DEE CHAMFER, head_height: 0.220 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 1.060 INCHES NOMINAL IN, fastener_length: 2.440 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-369-8893, 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
D528280-5
NSN: 5306-01-369-8893
FSC: 5306 — Bolts
CAGE: 62161 — HUTCHINSON INDUSTRIES, INC DIV DEFENSE AND INDUSTRY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleDEE CHAMFER
head_height0.220 INCHES NOMINAL IN
thread_class3A A
head_diameter1.060 INCHES NOMINAL IN
fastener_length2.440 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentPHOSPHATE ZINC OVERALL
internal_drive_styleW/O INTERNAL DRIVE
nominal_thread_diameter0.625 INCHES IN
thread_quantity_per_inch18
thread_series_designatorUNF
NSN5306-01-369-8893
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: D528280-5 · 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: 0.220 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.440 INCHES NOMINAL IN
•
DISTANCE FROM CENTERLINE TO FLAT: 0.3437 INCHES MINIMUM AND 0.3462 INCHES MAXIMUM IN
•
DISTANCE FROM CENTER OF HEAD TO CENTER OF SHANK: 0.780 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE J429,GR8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
•
HEAD STYLE: DEE CHAMFER
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.220 INCHES NOMINAL IN
FASTENER LENGTH2.440 INCHES NOMINAL IN
DISTANCE FROM CENTERLINE TO FLAT0.3437 INCHES MINIMUM AND 0.3462 INCHES MAXIMUM IN
DISTANCE FROM CENTER OF HEAD TO CENTER OF SHANK0.780 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J429,GR8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.625 INCHES IN
HEAD STYLEDEE CHAMFER
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTPHOSPHATE ZINC OVERALL
INTERNAL DRIVE STYLEW/O INTERNAL DRIVE
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 2
03-18946-00Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
12417332-001Same 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 D528280-5?
D528280-5 is a BOLT,ECCENTRIC HEAD.
What parts can replace D528280-5?
There are 2 known substitutes for D528280-5: 03-18946-00, 12417332-001. Substitute compatibility should be verified for your specific system.
What is the NSN for D528280-5?
D528280-5 is cataloged in the U.S. Government catalog under NSN 5306-01-369-8893. 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.