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HT271-6-7 — SCREW,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

HT271-6-7: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY OVERALL, grip_length: 0.437 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.616 INCHES MINIMUM AND 0.666 INCHES MAXIMUM IN, thread_direction: RIGHT-HAND, nominal_thread_diameter: 0.375 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-387-6540, 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
HT271-6-7
NSN: 5305-01-387-6540
FSC: 5305 — Screws
CAGE: 73197 — HI-SHEAR CORPORATION (USA)
SPECIFICATIONS
materialTITANIUM ALLOY OVERALL
grip_length0.437 INCHES NOMINAL IN
thread_class3A A
thread_length0.616 INCHES MINIMUM AND 0.666 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
nominal_thread_diameter0.375 INCHES IN
thread_quantity_per_inch24
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF)
NSN5305-01-387-6540
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: HT271-6-7 · 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
•
THREAD LENGTH: 0.616 INCHES MINIMUM AND 0.666 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
GRIP LENGTH: 0.437 INCHES NOMINAL IN
•
THREAD CLASS: 3A A
•
THREAD QUANTITY PER INCH: 24
•
MATERIAL: TITANIUM ALLOY OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL JOINT FINE (UNJF)
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.616 INCHES MINIMUM AND 0.666 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.375 INCHES IN
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH0.437 INCHES NOMINAL IN
THREAD CLASS3A A
THREAD QUANTITY PER INCH24
MATERIALTITANIUM ALLOY OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)
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 1
ST3M430V6-7DSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HT271-6-7?
HT271-6-7 is a SCREW,CLOSE TOLERANCE.
What parts can replace HT271-6-7?
There is 1 known substitute for HT271-6-7: ST3M430V6-7D. Substitute compatibility should be verified for your specific system.
What is the NSN for HT271-6-7?
HT271-6-7 is cataloged in the U.S. Government catalog under NSN 5305-01-387-6540. 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.