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BN660 M4X6 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

BN660 M4X6: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: PAN, head_height: 3.25 MILLIMETERS NOMINAL MM, head_diameter: 8.0 MILLIMETERS MAXIMUM MM, thread_length: 6.0 MILLIMETERS NOMINAL MM, screw_material: STEEL COMP 304, fastener_length: 6.0 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-692-1773, 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
BN660 M4X6
NSN: 5305-01-692-1773
FSC: 5305 — Screws
CAGE: 1CJ86 — BOSSARD INTL INC (USA)
SPECIFICATIONS
head_stylePAN
head_height3.25 MILLIMETERS NOMINAL MM
head_diameter8.0 MILLIMETERS MAXIMUM MM
thread_length6.0 MILLIMETERS NOMINAL MM
screw_materialSTEEL COMP 304
fastener_length6.0 MILLIMETERS NOMINAL MM
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
end_item_identificationATCALS
nominal_thread_diameter4.0 MILLIMETERS MM
thread_series_designatorM
thread_pitch_in_millimeters0.75
NSN5305-01-692-1773
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: BN660 M4X6 · 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: 3.25 MILLIMETERS NOMINAL MM
•
FASTENER LENGTH: 6.0 MILLIMETERS NOMINAL MM
•
THREAD PITCH IN MILLIMETERS: 0.75
•
THREAD LENGTH: 6.0 MILLIMETERS NOMINAL MM
•
NOMINAL THREAD DIAMETER: 4.0 MILLIMETERS MM
•
HEAD STYLE: PAN
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL COMP 304
TECHNICAL CHARACTERISTICS
HEAD HEIGHT3.25 MILLIMETERS NOMINAL MM
FASTENER LENGTH6.0 MILLIMETERS NOMINAL MM
THREAD PITCH IN MILLIMETERS0.75
THREAD LENGTH6.0 MILLIMETERS NOMINAL MM
NOMINAL THREAD DIAMETER4.0 MILLIMETERS MM
HEAD STYLEPAN
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP 304
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
END ITEM IDENTIFICATIONATCALS
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 1
IN3078249XNSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 BN660 M4X6?
BN660 M4X6 is a SCREW,MACHINE.
What parts can replace BN660 M4X6?
There is 1 known substitute for BN660 M4X6: IN3078249XN. Substitute compatibility should be verified for your specific system.
What is the NSN for BN660 M4X6?
BN660 M4X6 is cataloged in the U.S. Government catalog under NSN 5305-01-692-1773. This indicates validated use in U.S. government and defense supply chains.
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