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645008H45NV — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

645008H45NV: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, hole_type: DRILLED, head_style: FLAT CHAMFER, head_height: 0.138 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.226 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-032-5659, 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
645008H45NV
NSN: 5305-01-032-5659
FSC: 5305 — Screws
CAGE: 3H889 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
hole_typeDRILLED
head_styleFLAT CHAMFER
head_height0.138 INCHES NOMINAL IN
thread_class2A A
head_diameter0.226 INCHES NOMINAL IN
hole_diameter0.031 INCHES NOMINAL IN
hole_quantity2
thread_length0.500 INCHES MINIMUM IN
fastener_length0.562 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
NSN5305-01-032-5659
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 645008H45NV · 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
•
WIDTH ACROSS FLATS: 0.109 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.138 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.562 INCHES NOMINAL IN
•
THREAD LENGTH: 0.500 INCHES MINIMUM IN
•
HOLE CONFIGURATION STYLE: ROUND INTERNAL HEXAGON
•
NOMINAL THREAD DIAMETER: 0.138 INCHES IN
•
HEAD STYLE: FLAT CHAMFER
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.109 INCHES NOMINAL IN
HEAD HEIGHT0.138 INCHES NOMINAL IN
FASTENER LENGTH0.562 INCHES NOMINAL IN
THREAD LENGTH0.500 INCHES MINIMUM IN
HOLE CONFIGURATION STYLEROUND INTERNAL HEXAGON
NOMINAL THREAD DIAMETER0.138 INCHES IN
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTPASSIVATE OVERALL
INTERNAL DRIVE STYLEHEXAGON
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 645008H45NV?
645008H45NV is a SCREW,CAP,SOCKET HEAD.
What is the NSN for 645008H45NV?
645008H45NV is cataloged in the U.S. Government catalog under NSN 5305-01-032-5659. 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.