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1594810 — SCREW,TAPPING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1594810: SCREW,TAPPING.

The SCREW,TAPPING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1021 OVERALL, head_style: HEXAGON EXTENDED WASHER, head_height: 0.203 INCHES NOMINAL IN, fastener_length: 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN, surface_treatment: ZINC AND CHROMATE OVERALL, width_between_flats: 0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-417-2970, 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
1594810
NSN: 5305-01-417-2970
FSC: 5305 — Screws
CAGE: 4N311 — PIONEER SCREW AND NUT CO (USA)
SPECIFICATIONS
materialSTEEL COMP 1021 OVERALL
head_styleHEXAGON EXTENDED WASHER
head_height0.203 INCHES NOMINAL IN
fastener_length0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN
surface_treatmentZINC AND CHROMATE OVERALL
width_between_flats0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
internal_drive_styleW/O INTERNAL DRIVE
end_item_identificationNSN 2320-01-318-9902 HET (HEAVY EQUIPMENT TRANSPORTER)
nonmachine_thread_styleGIMLET POINT (TYPE A, AB OR BA)
extended_washer_diameter0.425 INCHES MINIMUM AND 0.445 INCHES MAXIMUM IN
extended_washer_thickness0.085 INCHES NOMINAL IN
nonmachine_nominal_thread_diameter0.190 INCHES IN
NSN5305-01-417-2970
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1594810 · 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: 0.190 INCHES IN
•
EXTENDED WASHER THICKNESS: 0.085 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.203 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN
•
EXTENDED WASHER DIAMETER: 0.425 INCHES MINIMUM AND 0.445 INCHES MAXIMUM IN
•
NONMACHINE THREAD STYLE: GIMLET POINT (TYPE A, AB OR BA)
•
HEAD STYLE: HEXAGON EXTENDED WASHER
•
WIDTH BETWEEN FLATS: 0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
NONMACHINE NOMINAL THREAD DIAMETER0.190 INCHES IN
EXTENDED WASHER THICKNESS0.085 INCHES NOMINAL IN
HEAD HEIGHT0.203 INCHES NOMINAL IN
FASTENER LENGTH0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN
EXTENDED WASHER DIAMETER0.425 INCHES MINIMUM AND 0.445 INCHES MAXIMUM IN
NONMACHINE THREAD STYLEGIMLET POINT (TYPE A, AB OR BA)
HEAD STYLEHEXAGON EXTENDED WASHER
WIDTH BETWEEN FLATS0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
SURFACE TREATMENTZINC AND CHROMATE OVERALL
INTERNAL DRIVE STYLEW/O INTERNAL DRIVE
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 1594810?
1594810 is a SCREW,TAPPING.
What is the NSN for 1594810?
1594810 is cataloged in the U.S. Government catalog under NSN 5305-01-417-2970. 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.