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7602559 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

7602559: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.327 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN, thread_length: 0.250 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN, screw_material: STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 8740, fastener_length: 0.406 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-180-0265, 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
7602559
NSN: 5305-00-180-0265
FSC: 5305 — Screws
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
thread_class3A A
head_diameter0.327 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
thread_length0.250 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
screw_materialSTEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 8740
fastener_length0.406 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
thread_directionRIGHT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.190 INCHES IN
screw_surface_treatmentCADMIUM
NSN5305-00-180-0265
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 7602559 · 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
•
SCREW SURFACE TREATMENT: CADMIUM
•
FASTENER LENGTH: 0.406 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 4TH MATERIAL RESPONSE
•
THREAD LENGTH: 0.250 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
SCREW SURFACE TREATMENTCADMIUM
FASTENER LENGTH0.406 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 4TH MATERIAL RESPONSE
THREAD LENGTH0.250 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 8740
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH LBS
SUBSTITUTES & CROSS-REFERENCES 3
1800265Reference document
Same NSN cross-reference
Reference document — Secondary reference
510 239Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AN509-10R6Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7602559?
7602559 is a SCREW,MACHINE.
What parts can replace 7602559?
There are 3 known substitutes for 7602559: 1800265, 510 239, AN509-10R6. Substitute compatibility should be verified for your specific system.
What is the NSN for 7602559?
7602559 is cataloged in the U.S. Government catalog under NSN 5305-00-180-0265. 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.