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M39AS428-10C — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

M39AS428-10C: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 2A A, thread_length: 0.625 INCHES NOMINAL IN, screw_material: STEEL, fastener_length: 0.625 INCHES NOMINAL IN, locking_feature: PELLET. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-069-3424, 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
M39AS428-10C
NSN: 5306-01-069-3424
NIINs: 010693424, 013977696
FSC: 5306 — Bolts
CAGE: 26233 — NYLOK LLC (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
thread_class2A A
thread_length0.625 INCHES NOMINAL IN
screw_materialSTEEL
fastener_length0.625 INCHES NOMINAL IN
locking_featurePELLET
thread_directionRIGHT-HAND
countersink_angle100.0 DEGREES NOMINAL
internal_drive_styleCROSS RECESS TYPE 1
thread_quantity_per_inch28
thread_series_designatorUNF
NSN5306-01-069-3424
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: M39AS428-10C · 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
•
FASTENER LENGTH: 0.500 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
SURFACE TREATMENT: CADMIUM OVERALL
•
COUNTERSINK ANGLE: 100.0 DEGREES NOMINAL
•
THREAD QUANTITY PER INCH: 28
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
FASTENER LENGTH0.500 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
SURFACE TREATMENTCADMIUM OVERALL
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
THREAD QUANTITY PER INCH28
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M39AS428-10C?
M39AS428-10C is a BOLT,MACHINE.
What is the NSN for M39AS428-10C?
M39AS428-10C is cataloged in the U.S. Government catalog under NSN 5306-01-069-3424. 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.