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10300430 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

10300430: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include head_style: FLAT FILLISTER, head_height: 0.368 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN, thread_length: 1.250 INCHES NOMINAL IN, fastener_length: 1.312 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-483-0239, 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
10300430
NSN: 5305-01-483-0239
FSC: 5305 — Screws
CAGE: A486G — NIMIKKEISTOKESKUS NCB FINLAND (FIN)
SPECIFICATIONS
head_styleFLAT FILLISTER
head_height0.368 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
thread_length1.250 INCHES NOMINAL IN
fastener_length1.312 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
end_item_identificationAN/AAQ-28 LITENING II POD
nominal_thread_diameter0.375 INCHES IN
minimum_tensile_strength180000 POUNDS PER SQUARE INCH LBS
thread_quantity_per_inch24
NSN5305-01-483-0239
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 10300430 · 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: 0.368 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.312 INCHES NOMINAL IN
•
THREAD LENGTH: 1.250 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
HEAD STYLE: FLAT FILLISTER
•
THREAD DIRECTION: RIGHT-HAND
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MINIMUM TENSILE STRENGTH: 180000 POUNDS PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.368 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN
FASTENER LENGTH1.312 INCHES NOMINAL IN
THREAD LENGTH1.250 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD STYLEFLAT FILLISTER
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTCADMIUM OVERALL
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH LBS
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW HEX HD
THREAD CLASS3A A
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 1
407802755Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 10300430?
10300430 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 10300430?
There is 1 known substitute for 10300430: 407802755. Substitute compatibility should be verified for your specific system.
What is the NSN for 10300430?
10300430 is cataloged in the U.S. Government catalog under NSN 5305-01-483-0239. 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.