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BN654 M2.5X4 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

BN654 M2.5X4: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, head_diameter: 4.7 MILLIMETERS NOMINAL MM, thread_length: 3.10 MILLIMETERS NOMINAL MM, screw_material: STEEL, fastener_length: 4.00 MILLIMETERS NOMINAL MM, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-412-0836, 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
BN654 M2.5X4
NSN: 5305-01-412-0836
FSC: 5305 — Screws
CAGE: 1CJ86 — BOSSARD INTL INC (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
head_diameter4.7 MILLIMETERS NOMINAL MM
thread_length3.10 MILLIMETERS NOMINAL MM
screw_materialSTEEL
fastener_length4.00 MILLIMETERS NOMINAL MM
thread_directionRIGHT-HAND
countersink_angle90.0 DEGREES NOMINAL
internal_drive_styleSLOT
nominal_thread_diameter2.5 MILLIMETERS MM
thread_series_designatorM
thread_pitch_in_millimeters0.45
external_thread_tolerance_class6G G
NSN5305-01-412-0836
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: BN654 M2.5X4 · 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
•
EXTERNAL THREAD TOLERANCE CLASS: 6G G
•
FASTENER LENGTH: 4.00 MILLIMETERS NOMINAL MM
•
THREAD PITCH IN MILLIMETERS: 0.45
•
THREAD LENGTH: 3.10 MILLIMETERS NOMINAL MM
•
NOMINAL THREAD DIAMETER: 2.5 MILLIMETERS MM
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
EXTERNAL THREAD TOLERANCE CLASS6G G
FASTENER LENGTH4.00 MILLIMETERS NOMINAL MM
THREAD PITCH IN MILLIMETERS0.45
THREAD LENGTH3.10 MILLIMETERS NOMINAL MM
NOMINAL THREAD DIAMETER2.5 MILLIMETERS MM
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL
INTERNAL DRIVE STYLESLOT
COUNTERSINK ANGLE90.0 DEGREES NOMINAL
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 BN654 M2.5X4?
BN654 M2.5X4 is a SCREW,MACHINE.
What is the NSN for BN654 M2.5X4?
BN654 M2.5X4 is cataloged in the U.S. Government catalog under NSN 5305-01-412-0836. This indicates validated use in U.S. government and defense supply chains.
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