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94518A520 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

94518A520: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, head_height: 0.161 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.480 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN, thread_length: 1.000 INCHES NOMINAL IN, screw_material: STEEL. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-494-1492, 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
94518A520
NSN: 5305-01-494-1492
FSC: 5305 — Screws
CAGE: 2V507 — MCMASTER-CARR SUPPLY COMPANY (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
head_height0.161 INCHES NOMINAL IN
thread_class3A A
head_diameter0.480 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
thread_length1.000 INCHES NOMINAL IN
screw_materialSTEEL
fastener_length1.130 INCHES NOMINAL IN
thread_directionRIGHT-HAND
countersink_angle82.0 DEGREES NOMINAL
internal_drive_styleCROSS RECESS TYPE III
end_item_identification4120014490459
nominal_thread_diameter0.250 INCHES IN
NSN5305-01-494-1492
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 94518A520 · 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: 0.161 INCHES NOMINAL IN
•
SCREW SURFACE TREATMENT: ZINC
•
FASTENER LENGTH: 1.130 INCHES NOMINAL IN
•
THREAD LENGTH: 1.000 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.161 INCHES NOMINAL IN
SCREW SURFACE TREATMENTZINC
FASTENER LENGTH1.130 INCHES NOMINAL IN
THREAD LENGTH1.000 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL
MINIMUM TENSILE STRENGTH60000 POUNDS PER SQUARE INCH LBS
INTERNAL DRIVE STYLECROSS RECESS TYPE III
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES 1
9454100 ITEM 165Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 94518A520?
94518A520 is a SCREW,MACHINE.
What parts can replace 94518A520?
There is 1 known substitute for 94518A520: 9454100 ITEM 165. Substitute compatibility should be verified for your specific system.
What is the NSN for 94518A520?
94518A520 is cataloged in the U.S. Government catalog under NSN 5305-01-494-1492. 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.