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FX28N — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

FX28N: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, head_style: FILLISTER, head_height: 0.156 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.240 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN, thread_length: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-276-9772, 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
FX28N
NSN: 5305-01-276-9772
FSC: 5305 — Screws
CAGE: 06995 — CHICAGO STEEL TAPE CO INC BERGER INSTRUMENTS CO INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
head_styleFILLISTER
head_height0.156 INCHES NOMINAL IN
thread_class2A A
head_diameter0.240 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN
thread_length0.250 INCHES NOMINAL IN
fastener_length0.438 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentLACQUER OVERALL
internal_drive_styleW/O INTERNAL DRIVE
nominal_thread_diameter0.125 INCHES IN
thread_quantity_per_inch44
NSN5305-01-276-9772
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: FX28N · 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: 0.156 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.438 INCHES NOMINAL IN
•
THREAD LENGTH: 0.250 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.125 INCHES IN
•
HEAD STYLE: FILLISTER
•
THREAD DIRECTION: RIGHT-HAND
•
SURFACE TREATMENT: LACQUER OVERALL
•
INTERNAL DRIVE STYLE: W/O INTERNAL DRIVE
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.156 INCHES NOMINAL IN
FASTENER LENGTH0.438 INCHES NOMINAL IN
THREAD LENGTH0.250 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.125 INCHES IN
HEAD STYLEFILLISTER
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTLACQUER OVERALL
INTERNAL DRIVE STYLEW/O INTERNAL DRIVE
THREAD CLASS2A A
THREAD QUANTITY PER INCH44
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 FX28N?
FX28N is a SCREW,CAP,SOCKET HEAD.
What is the NSN for FX28N?
FX28N is cataloged in the U.S. Government catalog under NSN 5305-01-276-9772. 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.