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Technical Data Sheet
PartsTable / COMPONENT / 5498251-3
5498251-3 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include head_diameter: 0.500 INCHES NOMINAL IN, internal_drive_style: HEXAGON. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-290-2704, 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
5498251-3
NSN: 5305-01-290-2704
FSC: 5305
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
head_diameter0.500 INCHES NOMINAL IN
internal_drive_styleHEXAGON
NSN5305-01-290-2704
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 5498251-3 · 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
•
SHOULDER DIAMETER: 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.438 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 20
•
INTERNAL DRIVE STYLE: HEXAGON
•
SHOULDER LENGTH: 0.5005 INCHES MINIMUM AND 0.5025 INCHES MAXIMUM FIRST SHOULDER IN
•
MATERIAL: STEEL COMP 303 OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH ACROSS FLATS: 0.156 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SHOULDER DIAMETER0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.438 INCHES NOMINAL IN
THREAD QUANTITY PER INCH20
INTERNAL DRIVE STYLEHEXAGON
SHOULDER LENGTH0.5005 INCHES MINIMUM AND 0.5025 INCHES MAXIMUM FIRST SHOULDER IN
MATERIALSTEEL COMP 303 OVERALL
THREAD DIRECTIONRIGHT-HAND
WIDTH ACROSS FLATS0.156 INCHES NOMINAL IN
HEAD DIAMETER0.500 INCHES NOMINAL IN
SHOULDER SHAPEROUND FIRST SHOULDER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
A-A-59282Interchangeable
interchangeable cross-reference
interchangeable
4440Interchangeable
interchangeable cross-reference
interchangeable
0C265Interchangeable
interchangeable cross-reference
interchangeable
4444Interchangeable
interchangeable cross-reference
interchangeable
EPSSInterchangeable
interchangeable cross-reference
interchangeable
295-121Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5498251-3?
5498251-3 is a SCREW,SHOULDER.
What parts can replace 5498251-3?
There are 20 known substitutes for 5498251-3: A-A-59282, 4440, 0C265 and 17 more. Substitute compatibility should be verified for your specific system.
Is 5498251-3 still available?
5498251-3 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026