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164571 — SCREW,TAPPING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

164571: SCREW,TAPPING.

The SCREW,TAPPING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: PAN, head_height: 0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN, head_diameter: 0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN, fastener_length: 0.750 INCHES NOMINAL IN, surface_treatment: CADMIUM OR ZINC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-016-4571, 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
164571
NSN: 5305-00-016-4571
FSC: 5305 — Screws
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_stylePAN
head_height0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
head_diameter0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN
fastener_length0.750 INCHES NOMINAL IN
surface_treatmentCADMIUM OR ZINC OVERALL
internal_drive_styleCROSS RECESS TYPE 1
nonmachine_thread_styleDOG TYPE (TYPE B OR C)
nonmachine_nominal_thread_diameter0.250 INCHES IN
NSN5305-00-016-4571
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 164571 · 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
•
HEAD HEIGHT: 0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.750 INCHES NOMINAL IN
•
NONMACHINE THREAD STYLE: DOG TYPE (TYPE B OR C)
•
HEAD STYLE: PAN
•
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
NONMACHINE NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD HEIGHT0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
FASTENER LENGTH0.750 INCHES NOMINAL IN
NONMACHINE THREAD STYLEDOG TYPE (TYPE B OR C)
HEAD STYLEPAN
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MATERIALSTEEL OVERALL
HEAD DIAMETER0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 164571?
164571 is a SCREW,TAPPING.
What is the NSN for 164571?
164571 is cataloged in the U.S. Government catalog under NSN 5305-00-016-4571. 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.