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T-1427 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

T-1427: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include head_style: FLAT FILLISTER, head_height: 0.121 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN, head_diameter: 0.369 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, fastener_length: 0.438 INCHES NOMINAL IN, locking_feature: PATCH THREADS, internal_drive_style: HEXAGON. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-424-0377, 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
T-1427
NSN: 5305-01-424-0377
FSC: 5305 — Screws
CAGE: 16941 — LONG-LOK LLC (USA)
SPECIFICATIONS
head_styleFLAT FILLISTER
head_height0.121 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
head_diameter0.369 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
fastener_length0.438 INCHES NOMINAL IN
locking_featurePATCH THREADS
internal_drive_styleHEXAGON
end_item_identificationPACER DAWN
nominal_thread_diameter0.250 INCHES IN
thread_quantity_per_inch28
NSN5305-01-424-0377
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: T-1427 · 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: 0.121 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.438 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: FLAT FILLISTER
•
LOCKING FEATURE: PATCH THREADS
•
INTERNAL DRIVE STYLE: HEXAGON
•
THREAD QUANTITY PER INCH: 28
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.121 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
FASTENER LENGTH0.438 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEFLAT FILLISTER
LOCKING FEATUREPATCH THREADS
INTERNAL DRIVE STYLEHEXAGON
END ITEM IDENTIFICATIONPACER DAWN
THREAD QUANTITY PER INCH28
HEAD DIAMETER0.369 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES 1
5305PL2175860Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is T-1427?
T-1427 is a SCREW,CAP,SOCKET HEAD.
What parts can replace T-1427?
There is 1 known substitute for T-1427: 5305PL2175860. Substitute compatibility should be verified for your specific system.
What is the NSN for T-1427?
T-1427 is cataloged in the U.S. Government catalog under NSN 5305-01-424-0377. 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.