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M612CSFZBB — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

M612CSFZBB: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 8.1 MILLIMETERS NOMINAL MM, thread_length: 16.0 MILLIMETERS NOMINAL MM, surface_treatment: PHOSPHATE OVERALL, width_between_flats: 13.0 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-648-0146, 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
M612CSFZBB
NSN: 5305-01-648-0146
FSC: 5305 — Screws
CAGE: 22214 — MUTUAL SCREW MACHINE AND MFG CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height8.1 MILLIMETERS NOMINAL MM
thread_length16.0 MILLIMETERS NOMINAL MM
surface_treatmentPHOSPHATE OVERALL
width_between_flats13.0 MILLIMETERS NOMINAL MM
nominal_thread_diameter8.0 MILLIMETERS MM
NSN5305-01-648-0146
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: M612CSFZBB · 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: 8.1 MILLIMETERS NOMINAL MM
•
THREAD LENGTH: 16.0 MILLIMETERS NOMINAL MM
•
NOMINAL THREAD DIAMETER: 8.0 MILLIMETERS MM
•
HEAD STYLE: HEXAGON
•
WIDTH BETWEEN FLATS: 13.0 MILLIMETERS NOMINAL MM
•
COLOR: BLACK OVERALL
•
SURFACE TREATMENT: PHOSPHATE OVERALL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT8.1 MILLIMETERS NOMINAL MM
THREAD LENGTH16.0 MILLIMETERS NOMINAL MM
NOMINAL THREAD DIAMETER8.0 MILLIMETERS MM
HEAD STYLEHEXAGON
WIDTH BETWEEN FLATS13.0 MILLIMETERS NOMINAL MM
COLORBLACK OVERALL
SURFACE TREATMENTPHOSPHATE OVERALL
MATERIALSTEEL OVERALL
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M612CSFZBB?
M612CSFZBB is a SCREW,CAP,SOCKET HEAD.
What is the NSN for M612CSFZBB?
M612CSFZBB is cataloged in the U.S. Government catalog under NSN 5305-01-648-0146. 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.