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MS2580040A4000 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

MS2580040A4000: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT FILLISTER, fastener_length: 40.0 MILLIMETERS NOMINAL MM, special_features: GRADE A4; COARSE THREADS, thread_direction: RIGHT-HAND, surface_treatment: OXIDE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-605-9203, 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
MS2580040A4000
NSN: 5305-01-605-9203
FSC: 5305 — Screws
CAGE: 3CN65 — FASTENAL COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT FILLISTER
fastener_length40.0 MILLIMETERS NOMINAL MM
special_featuresGRADE A4; COARSE THREADS
thread_directionRIGHT-HAND
surface_treatmentOXIDE OVERALL
width_across_flats10.0 MILLIMETERS NOMINAL MM
internal_drive_styleHEXAGON
nominal_thread_diameter8.0 MILLIMETERS MM
thread_series_designatorISO M
thread_pitch_in_millimeters1.25
NSN5305-01-605-9203
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS2580040A4000 · 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
•
WIDTH ACROSS FLATS: 10.0 MILLIMETERS NOMINAL MM
•
FASTENER LENGTH: 40.0 MILLIMETERS NOMINAL MM
•
THREAD PITCH IN MILLIMETERS: 1.25
•
NOMINAL THREAD DIAMETER: 8.0 MILLIMETERS MM
•
HEAD STYLE: FLAT FILLISTER
•
THREAD DIRECTION: RIGHT-HAND
•
COLOR: BLACK OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS10.0 MILLIMETERS NOMINAL MM
FASTENER LENGTH40.0 MILLIMETERS NOMINAL MM
THREAD PITCH IN MILLIMETERS1.25
NOMINAL THREAD DIAMETER8.0 MILLIMETERS MM
HEAD STYLEFLAT FILLISTER
THREAD DIRECTIONRIGHT-HAND
COLORBLACK OVERALL
SPECIAL FEATURESGRADE A4; COARSE THREADS
SURFACE TREATMENTOXIDE OVERALL
INTERNAL DRIVE STYLEHEXAGON
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS2580040A4000?
MS2580040A4000 is a SCREW,CAP,SOCKET HEAD.
What is the NSN for MS2580040A4000?
MS2580040A4000 is cataloged in the U.S. Government catalog under NSN 5305-01-605-9203. This indicates validated use in U.S. government and defense supply chains.
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