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TX1026C4D14A — SCREW,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

TX1026C4D14A: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN, point_style: FLAT, thread_class: 3A A, grip_diameter: 0.249 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-512-8378, 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
TX1026C4D14A
NSN: 5305-01-512-8378
FSC: 5305 — Screws
CAGE: 73197 — HI-SHEAR CORPORATION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleFLAT COUNTERSUNK
grip_length0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN
point_styleFLAT
thread_class3A A
grip_diameter0.249 INCHES NOMINAL IN
head_diameter0.497 INCHES MINIMUM AND 0.506 INCHES MAXIMUM IN
thread_length0.420 INCHES MINIMUM AND 0.430 INCHES MAXIMUM IN
point_diameter0.425 INCHES NOMINAL IN
fastener_length1.285 INCHES MINIMUM AND 1.315 INCHES MAXIMUM IN
special_features125 KSI SHEAR STRENGTH
thread_directionRIGHT-HAND
NSN5305-01-512-8378
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: TX1026C4D14A · 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
•
POINT DIAMETER: 0.425 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.285 INCHES MINIMUM AND 1.315 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.420 INCHES MINIMUM AND 0.430 INCHES MAXIMUM IN
•
SPLINE MAJOR DIAMETER: 0.154 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
POINT STYLE: FLAT
TECHNICAL CHARACTERISTICS
POINT DIAMETER0.425 INCHES NOMINAL IN
FASTENER LENGTH1.285 INCHES MINIMUM AND 1.315 INCHES MAXIMUM IN
THREAD LENGTH0.420 INCHES MINIMUM AND 0.430 INCHES MAXIMUM IN
SPLINE MAJOR DIAMETER0.154 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
POINT STYLEFLAT
GRIP LENGTH0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN
GRIP DIAMETER0.249 INCHES NOMINAL 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 1
11827C4D14ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 TX1026C4D14A?
TX1026C4D14A is a SCREW,CLOSE TOLERANCE.
What parts can replace TX1026C4D14A?
There is 1 known substitute for TX1026C4D14A: 11827C4D14A. Substitute compatibility should be verified for your specific system.
What is the NSN for TX1026C4D14A?
TX1026C4D14A is cataloged in the U.S. Government catalog under NSN 5305-01-512-8378. 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.