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HP2580A4-3 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

HP2580A4-3: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8740 OVERALL, head_style: FLAT COUNTERSUNK, head_height: 0.111 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.5066 INCHES NOMINAL IN, thread_length: 0.403 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-720-0613, 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
HP2580A4-3
NSN: 5305-01-720-0613
FSC: 5305 — Screws
CAGE: 0ZC92 — HEARTLAND PRECISION FASTENERS INC (USA)
SPECIFICATIONS
materialSTEEL COMP 8740 OVERALL
head_styleFLAT COUNTERSUNK
head_height0.111 INCHES NOMINAL IN
thread_class3A A
head_diameter0.5066 INCHES NOMINAL IN
thread_length0.403 INCHES NOMINAL IN
fastener_length0.575 INCHES MINIMUM AND 0.605 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
surface_treatmentCADMIUM OVERALL
internal_drive_styleTORX
single_shear_strengthERR-060
NSN5305-01-720-0613
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: HP2580A4-3 · 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: 0.575 INCHES MINIMUM AND 0.605 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS-QQ-P-416,TYPE II,CLASS 2 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.403 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS6322 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE OVERALL
•
SPLINE MAJOR DIAMETER: 0.2195 INCHES MINIMUM AND 0.2225 INCHES MAXIMUM IN
•
SINGLE SHEAR STRENGTH: ERR-060
•
NOMINAL THREAD DIAMETER: 0.2500 INCHES IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.111 INCHES NOMINAL IN
FASTENER LENGTH0.575 INCHES MINIMUM AND 0.605 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS-QQ-P-416,TYPE II,CLASS 2 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.403 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS6322 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE OVERALL
SPLINE MAJOR DIAMETER0.2195 INCHES MINIMUM AND 0.2225 INCHES MAXIMUM IN
SINGLE SHEAR STRENGTHERR-060
NOMINAL THREAD DIAMETER0.2500 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
SUBSTITUTES & CROSS-REFERENCES 1
HP2580Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HP2580A4-3?
HP2580A4-3 is a SCREW,CAP,SOCKET HEAD.
What parts can replace HP2580A4-3?
There is 1 known substitute for HP2580A4-3: HP2580. Substitute compatibility should be verified for your specific system.
What is the NSN for HP2580A4-3?
HP2580A4-3 is cataloged in the U.S. Government catalog under NSN 5305-01-720-0613. This indicates validated use in U.S. government and defense supply chains.
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