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NT345S1428AC5 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

NT345S1428AC5: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: PAN NO. 2, head_height: 0.133 INCHES MINIMUM AND 0.148 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.473 INCHES MINIMUM AND 0.493 INCHES MAXIMUM IN, thread_length: 0.312 INCHES NOMINAL IN, screw_material: STEEL COMP 302.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-103-2549, 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
NT345S1428AC5
NSN: 5305-01-103-2549
FSC: 5305 — Screws
CAGE: 02310 — PATTONAIR USA INC DBA INCORA DIV UNISEAL DIVISION (USA)
SPECIFICATIONS
head_stylePAN NO. 2
head_height0.133 INCHES MINIMUM AND 0.148 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.473 INCHES MINIMUM AND 0.493 INCHES MAXIMUM IN
thread_length0.312 INCHES NOMINAL IN
screw_materialSTEEL COMP 302
fastener_length0.342 INCHES NOMINAL IN
special_features1 BUNA N O-RING FURNISED
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.250 INCHES IN
screw_surface_treatmentPASSIVATE
NSN5305-01-103-2549
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: NT345S1428AC5 · 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: 0.133 INCHES MINIMUM AND 0.148 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: PASSIVATE
•
FASTENER LENGTH: 0.342 INCHES NOMINAL IN
•
THREAD LENGTH: 0.312 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: PAN NO. 2
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL COMP 302
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.133 INCHES MINIMUM AND 0.148 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTPASSIVATE
FASTENER LENGTH0.342 INCHES NOMINAL IN
THREAD LENGTH0.312 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEPAN NO. 2
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP 302
SPECIAL FEATURES1 BUNA N O-RING FURNISED
INTERNAL DRIVE STYLESLOT
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is NT345S1428AC5?
NT345S1428AC5 is a SCREW,MACHINE.
What is the NSN for NT345S1428AC5?
NT345S1428AC5 is cataloged in the U.S. Government catalog under NSN 5305-01-103-2549. 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.