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1D1390 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1D1390: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: UNDERCUT PAN NO. 2, thread_length: 0.500 INCHES NOMINAL IN, screw_material: STEEL, fastener_length: 3.204 INCHES MINIMUM AND 3.250 INCHES MAXIMUM IN, thread_direction: RIGHT-HAND, internal_drive_style: SLOT.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-147-9953, 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
1D1390
NSN: 5305-01-147-9953
FSC: 5305 — Screws
CAGE: 25140 — GLOBE MOTORS, INC. DBA ALLIENT DAYTON (USA)
SPECIFICATIONS
head_styleUNDERCUT PAN NO. 2
thread_length0.500 INCHES NOMINAL IN
screw_materialSTEEL
fastener_length3.204 INCHES MINIMUM AND 3.250 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
minimum_tensile_strength60000 POUNDS PER SQUARE INCH LBS
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-01-147-9953
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1D1390 · 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
•
FASTENER LENGTH: 3.204 INCHES MINIMUM AND 3.250 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.500 INCHES NOMINAL IN
•
HEAD STYLE: UNDERCUT PAN NO. 2
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL
•
MINIMUM TENSILE STRENGTH: 60000 POUNDS PER SQUARE INCH LBS
•
INTERNAL DRIVE STYLE: SLOT
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS
FASTENER LENGTH3.204 INCHES MINIMUM AND 3.250 INCHES MAXIMUM IN
THREAD LENGTH0.500 INCHES NOMINAL IN
HEAD STYLEUNDERCUT PAN NO. 2
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL
MINIMUM TENSILE STRENGTH60000 POUNDS PER SQUARE INCH LBS
INTERNAL DRIVE STYLESLOT
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1D1390?
1D1390 is a SCREW,MACHINE.
What is the NSN for 1D1390?
1D1390 is cataloged in the U.S. Government catalog under NSN 5305-01-147-9953. 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.