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90274A322 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

90274A322: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK UNDERCUT, head_height: 2.5 MILLIMETERS NOMINAL MM, head_diameter: 9.2 MILLIMETERS NOMINAL MM, screw_material: STEEL, fastener_length: 12.0 MILLIMETERS NOMINAL MM, special_features: M5 X 0.8 THREAD. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-554-3936, 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
90274A322
NSN: 5305-01-554-3936
FSC: 5305 — Screws
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK UNDERCUT
head_height2.5 MILLIMETERS NOMINAL MM
head_diameter9.2 MILLIMETERS NOMINAL MM
screw_materialSTEEL
fastener_length12.0 MILLIMETERS NOMINAL MM
special_featuresM5 X 0.8 THREAD
countersink_angle90.0 DEGREES NOMINAL
end_item_identificationTRACTOR, WHEELED, HIGH SPEED; NSN 2420-01-538-8287
screw_surface_treatmentZINC
NSN5305-01-554-3936
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 90274A322 · 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: 2.5 MILLIMETERS NOMINAL MM
•
SCREW SURFACE TREATMENT: ZINC
•
FASTENER LENGTH: 12.0 MILLIMETERS NOMINAL MM
•
HEAD STYLE: FLAT COUNTERSUNK UNDERCUT
•
SCREW MATERIAL: STEEL
•
COUNTERSINK ANGLE: 90.0 DEGREES NOMINAL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT2.5 MILLIMETERS NOMINAL MM
SCREW SURFACE TREATMENTZINC
FASTENER LENGTH12.0 MILLIMETERS NOMINAL MM
HEAD STYLEFLAT COUNTERSUNK UNDERCUT
SCREW MATERIALSTEEL
SPECIAL FEATURESM5 X 0.8 THREAD
COUNTERSINK ANGLE90.0 DEGREES NOMINAL
END ITEM IDENTIFICATIONTRACTOR, WHEELED, HIGH SPEED; NSN 2420-01-538-8287
HEAD DIAMETER9.2 MILLIMETERS NOMINAL MM
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

No substitute or cross-reference records for this part.

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 90274A322?
90274A322 is a SCREW,MACHINE.
What is the NSN for 90274A322?
90274A322 is cataloged in the U.S. Government catalog under NSN 5305-01-554-3936. 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.