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Technical Data Sheet
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457-5525 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

457-5525: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT CHAMFER, head_height: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.384 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN, thread_length: 0.407 INCHES MINIMUM AND 0.427 INCHES MAXIMUM IN, screw_material: STEEL. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-487-4116, 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
457-5525
NSN: 5305-00-487-4116
FSC: 5305 — Screws
CAGE: A486G — NIMIKKEISTOKESKUS NCB FINLAND (FIN)
SPECIFICATIONS
head_styleFLAT CHAMFER
head_height0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.384 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
thread_length0.407 INCHES MINIMUM AND 0.427 INCHES MAXIMUM IN
screw_materialSTEEL
fastener_length0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
special_featuresTHREAD RELIEVED GROOVE 0.083 IN. WIDE IN
thread_directionRIGHT-HAND
features_providedCASEHARDENED
internal_drive_styleTORQUE
nominal_thread_diameter0.312 INCHES IN
NSN5305-00-487-4116
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 457-5525 · 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: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: PASSIVATE
•
FASTENER LENGTH: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.407 INCHES MINIMUM AND 0.427 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
FEATURES PROVIDED: CASEHARDENED
•
HEAD STYLE: FLAT CHAMFER
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTPASSIVATE
FASTENER LENGTH0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
THREAD LENGTH0.407 INCHES MINIMUM AND 0.427 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.312 INCHES IN
FEATURES PROVIDEDCASEHARDENED
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL
SPECIAL FEATURESTHREAD RELIEVED GROOVE 0.083 IN. WIDE IN
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
5305004874116Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 457-5525?
457-5525 is a SCREW,MACHINE.
What parts can replace 457-5525?
There is 1 known substitute for 457-5525: 5305004874116. Substitute compatibility should be verified for your specific system.
What is the NSN for 457-5525?
457-5525 is cataloged in the U.S. Government catalog under NSN 5305-00-487-4116. 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.