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90298A525 — SCREW,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

90298A525: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL PROPERTY CLASS 18.8 OVERALL, head_style: CHAMFER FLANGE, head_height: 0.1875 INCHES NOMINAL IN, head_diameter: 0.3750 INCHES NOMINAL IN, thread_length: 0.3750 INCHES NOMINAL IN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-657-2176, 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
90298A525
NSN: 5305-01-657-2176
FSC: 5305 — Screws
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL PROPERTY CLASS 18.8 OVERALL
head_styleCHAMFER FLANGE
head_height0.1875 INCHES NOMINAL IN
head_diameter0.3750 INCHES NOMINAL IN
thread_length0.3750 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleHEXAGON
end_item_identificationVARIOUS C5 AIRCRAFT
nominal_thread_diameter10.0 MILLIMETERS MM
minimum_tensile_strength70000 POUNDS PER SQUARE INCH LBS
thread_quantity_per_inch24
NSN5305-01-657-2176
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 90298A525 · 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: 0.1875 INCHES NOMINAL IN
•
THREAD LENGTH: 0.3750 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 10.0 MILLIMETERS MM
•
HEAD STYLE: CHAMFER FLANGE
•
THREAD DIRECTION: RIGHT-HAND
•
MINIMUM TENSILE STRENGTH: 70000 POUNDS PER SQUARE INCH LBS
•
INTERNAL DRIVE STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.1875 INCHES NOMINAL IN
THREAD LENGTH0.3750 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER10.0 MILLIMETERS MM
HEAD STYLECHAMFER FLANGE
THREAD DIRECTIONRIGHT-HAND
MINIMUM TENSILE STRENGTH70000 POUNDS PER SQUARE INCH LBS
INTERNAL DRIVE STYLEHEXAGON
END ITEM IDENTIFICATIONVARIOUS C5 AIRCRAFT
THREAD QUANTITY PER INCH24
MATERIALSTEEL PROPERTY CLASS 18.8 OVERALL
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

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 90298A525?
90298A525 is a SCREW,SHOULDER.
What is the NSN for 90298A525?
90298A525 is cataloged in the U.S. Government catalog under NSN 5305-01-657-2176. 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.