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SPB4-14Z — SCREW,TAPPING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

SPB4-14Z: SCREW,TAPPING.

The SCREW,TAPPING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: PAN, fastener_length: 0.250 INCHES NOMINAL IN, surface_treatment: ZINC OVERALL, internal_drive_style: CROSS RECESS TYPE III, nonmachine_thread_style: DOUBLE FLUTE (TYPE F). This part is cataloged in the U.S.

Government catalog under NSN 5305-01-445-2205, 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
SPB4-14Z
NSN: 5305-01-445-2205
FSC: 5305 — Screws
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_stylePAN
fastener_length0.250 INCHES NOMINAL IN
surface_treatmentZINC OVERALL
internal_drive_styleCROSS RECESS TYPE III
nonmachine_thread_styleDOUBLE FLUTE (TYPE F)
nonmachine_nominal_thread_diameter0.112 INCHES IN
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN5305-01-445-2205
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SPB4-14Z · 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
•
NONMACHINE NOMINAL THREAD DIAMETER: 0.112 INCHES IN
•
FASTENER LENGTH: 0.250 INCHES NOMINAL IN
•
NONMACHINE THREAD STYLE: DOUBLE FLUTE (TYPE F)
•
HEAD STYLE: PAN
•
SURFACE TREATMENT: ZINC OVERALL
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE III
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
NONMACHINE NOMINAL THREAD DIAMETER0.112 INCHES IN
FASTENER LENGTH0.250 INCHES NOMINAL IN
NONMACHINE THREAD STYLEDOUBLE FLUTE (TYPE F)
HEAD STYLEPAN
SURFACE TREATMENTZINC OVERALL
INTERNAL DRIVE STYLECROSS RECESS TYPE III
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
MATERIALSTEEL OVERALL
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 SPB4-14Z?
SPB4-14Z is a SCREW,TAPPING.
What is the NSN for SPB4-14Z?
SPB4-14Z is cataloged in the U.S. Government catalog under NSN 5305-01-445-2205. 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.