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HT4027-4-7 — SCREW,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

HT4027-4-7: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 0.437 INCHES NOMINAL IN, thread_class: 3A A, grip_diameter: 0.249 INCHES NOMINAL IN, head_diameter: 0.389 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-354-5149, 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
HT4027-4-7
NSN: 5305-00-354-5149
NIINs: 003545149, 015873954
FSC: 5305 — Screws
CAGE: 06950 — HOWMET GLOBAL FASTENING SYSTEMS INC (USA)
SPECIFICATIONS
materialNICKEL ALLOY 718 OVERALL
head_styleFLAT COUNTERSUNK
grip_length0.437 INCHES NOMINAL IN
thread_class3A A
grip_diameter0.249 INCHES NOMINAL IN
head_diameter0.389 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
thread_length0.469 INCHES NOMINAL IN
fastener_length0.906 INCHES NOMINAL IN
thread_directionRIGHT-HAND
countersink_angle100.0 DEGREES NOMINAL
internal_drive_styleTORQUE
end_item_identificationC-5 AIRCRAFT
NSN5305-00-354-5149
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: HT4027-4-7 · 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
SUBSTITUTES & CROSS-REFERENCES 4
HT4024L4-7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
11907-4-7Reference document
Same NSN cross-reference
Reference document — Secondary reference
11907-4L7-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
CHT4024-4-7Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 HT4027-4-7?
HT4027-4-7 is a SCREW,CLOSE TOLERANCE.
What parts can replace HT4027-4-7?
There are 4 known substitutes for HT4027-4-7: HT4024L4-7, 11907-4-7, 11907-4L7-1 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HT4027-4-7?
HT4027-4-7 is cataloged in the U.S. Government catalog under NSN 5305-00-354-5149. This indicates validated use in U.S. government and defense supply chains.
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