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93310A144 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

93310A144: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_height: 0.063 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN, head_diameter: 0.250 INCHES MINIMUM AND 0.262 INCHES MAXIMUM IN, screw_material: STEEL CORROSION RESISTING, fastener_length: 0.250 INCHES NOMINAL IN, nominal_thread_diameter: 0.138 INCHES IN, thread_series_designator: UNIFIED NATIONAL COARSE (UNC). This part is cataloged in the U.S.

Government catalog under NSN 5305-01-692-1325, 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
93310A144
NSN: 5305-01-692-1325
FSC: 5305 — Screws
CAGE: 0KVE6 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
head_height0.063 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
head_diameter0.250 INCHES MINIMUM AND 0.262 INCHES MAXIMUM IN
screw_materialSTEEL CORROSION RESISTING
fastener_length0.250 INCHES NOMINAL IN
nominal_thread_diameter0.138 INCHES IN
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-01-692-1325
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 93310A144 · 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: 0.063 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.250 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.138 INCHES IN
•
SCREW MATERIAL: STEEL CORROSION RESISTING
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
HEAD DIAMETER: 0.250 INCHES MINIMUM AND 0.262 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.063 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
FASTENER LENGTH0.250 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.138 INCHES IN
SCREW MATERIALSTEEL CORROSION RESISTING
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
HEAD DIAMETER0.250 INCHES MINIMUM AND 0.262 INCHES MAXIMUM 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

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 93310A144?
93310A144 is a SCREW,MACHINE.
What is the NSN for 93310A144?
93310A144 is cataloged in the U.S. Government catalog under NSN 5305-01-692-1325. 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.