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20Z254D1 — SCREW,TAPPING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

20Z254D1: SCREW,TAPPING.

The SCREW,TAPPING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: PAN NO. 2, fastener_length: 0.625 INCHES NOMINAL IN, surface_treatment: CADMIUM OVERALL, internal_drive_style: SLOT, nonmachine_thread_style: THRU SLOT (TYPE D).

This part is cataloged in the U.S. Government catalog under NSN 5305-01-313-0281, 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
20Z254D1
NSN: 5305-01-313-0281
FSC: 5305 — Screws
CAGE: 0FNE7 — PPM CRANES INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_stylePAN NO. 2
fastener_length0.625 INCHES NOMINAL IN
surface_treatmentCADMIUM OVERALL
internal_drive_styleSLOT
nonmachine_thread_styleTHRU SLOT (TYPE D)
nonmachine_nominal_thread_diameter0.250 INCHES IN
NSN5305-01-313-0281
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 20Z254D1 · 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: 0.250 INCHES IN
•
FASTENER LENGTH: 0.625 INCHES NOMINAL IN
•
NONMACHINE THREAD STYLE: THRU SLOT (TYPE D)
•
HEAD STYLE: PAN NO. 2
•
SURFACE TREATMENT: CADMIUM OVERALL
•
INTERNAL DRIVE STYLE: SLOT
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
NONMACHINE NOMINAL THREAD DIAMETER0.250 INCHES IN
FASTENER LENGTH0.625 INCHES NOMINAL IN
NONMACHINE THREAD STYLETHRU SLOT (TYPE D)
HEAD STYLEPAN NO. 2
SURFACE TREATMENTCADMIUM OVERALL
INTERNAL DRIVE STYLESLOT
MATERIALSTEEL OVERALL
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

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 20Z254D1?
20Z254D1 is a SCREW,TAPPING.
What is the NSN for 20Z254D1?
20Z254D1 is cataloged in the U.S. Government catalog under NSN 5305-01-313-0281. 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.