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PartsTable / COMPONENT / HT4009-5-5
HT4009-5-5 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-13 OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN, thread_length: 0.442 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-210-1657, 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
HT4009-5-5
NSN: 5305-01-210-1657
FSC: 5305
CAGE: 80539 — SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA (USA)
SPECIFICATIONS
materialSTEEL COMP XM-13 OVERALL
head_styleFLAT COUNTERSUNK
thread_class3A A
head_diameter0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
thread_length0.442 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length0.724 INCHES MINIMUM AND 0.794 INCHES MAXIMUM IN
shoulder_length0.172 INCHES MINIMUM AND 0.212 INCHES MAXIMUM FIRST SHOULDER IN
special_featuresINTERNAL HEXAGON SOCKET IN THREADED END 0.1270 IN. MIN AND 0.1295 IN. MAX WIDTH ACROSS FLATS IN
thread_directionRIGHT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
shoulder_diameter0.3427 INCHES MINIMUM AND 0.3432 INCHES MAXIMUM FIRST SHOULDER IN
NSN5305-01-210-1657
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: HT4009-5-5 · 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 DIAMETER: 0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL JOINT FINE (UNJF)
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
FASTENER LENGTH: 0.724 INCHES MINIMUM AND 0.794 INCHES MAXIMUM IN
•
THREAD DIRECTION: RIGHT-HAND
•
MATERIAL: STEEL COMP XM-13 OVERALL
•
COUNTERSINK ANGLE: 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
TECHNICAL CHARACTERISTICS (FLIS)
HEAD DIAMETER0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)
NOMINAL THREAD DIAMETER0.312 INCHES IN
FASTENER LENGTH0.724 INCHES MINIMUM AND 0.794 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL COMP XM-13 OVERALL
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
SHOULDER SHAPEROUND FIRST SHOULDER
THREAD LENGTH0.442 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN
SHOULDER DIAMETER0.3427 INCHES MINIMUM AND 0.3432 INCHES MAXIMUM FIRST SHOULDER IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
8290009-1Interchangeable
interchangeable cross-reference
interchangeable
5351-49Interchangeable
interchangeable cross-reference
interchangeable
352-9552-130Interchangeable
interchangeable cross-reference
interchangeable
11917-5-5Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HT4009-5-5?
HT4009-5-5 is a SCREW,SHOULDER.
What parts can replace HT4009-5-5?
There are 4 known substitutes for HT4009-5-5: 8290009-1, 5351-49, 352-9552-130 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HT4009-5-5?
HT4009-5-5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-210-1657. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026