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HT184-8-19 — SCREW,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

HT184-8-19: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OVERALL, head_style: FILLISTER, grip_length: 1.500 INCHES NOMINAL IN, head_height: 0.111 INCHES NOMINAL IN, thread_class: 2A A, grip_diameter: 0.498 INCHES MINIMUM AND 0.499 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-272-0775, 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
HT184-8-19
NSN: 5305-01-272-0775
FSC: 5305 — Screws
CAGE: 06950 — HOWMET GLOBAL FASTENING SYSTEMS INC (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OVERALL
head_styleFILLISTER
grip_length1.500 INCHES NOMINAL IN
head_height0.111 INCHES NOMINAL IN
thread_class2A A
grip_diameter0.498 INCHES MINIMUM AND 0.499 INCHES MAXIMUM IN
head_diameter0.711 INCHES MINIMUM AND 0.759 INCHES MAXIMUM IN
thread_length0.453 INCHES NOMINAL IN
fastener_length1.188 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
internal_drive_styleHIGH-TORQUE
NSN5305-01-272-0775
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: HT184-8-19 · 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: 0.111 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.188 INCHES NOMINAL IN
•
THREAD LENGTH: 0.453 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
HEAD STYLE: FILLISTER
•
THREAD DIRECTION: RIGHT-HAND
•
GRIP LENGTH: 1.500 INCHES NOMINAL IN
•
GRIP DIAMETER: 0.498 INCHES MINIMUM AND 0.499 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.111 INCHES NOMINAL IN
FASTENER LENGTH1.188 INCHES NOMINAL IN
THREAD LENGTH0.453 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.500 INCHES IN
HEAD STYLEFILLISTER
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH1.500 INCHES NOMINAL IN
GRIP DIAMETER0.498 INCHES MINIMUM AND 0.499 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OVERALL
INTERNAL DRIVE STYLEHIGH-TORQUE
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HT184-8-19?
HT184-8-19 is a SCREW,CLOSE TOLERANCE.
What is the NSN for HT184-8-19?
HT184-8-19 is cataloged in the U.S. Government catalog under NSN 5305-01-272-0775. 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.