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BACB30NN4K17 — SCREW,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

BACB30NN4K17: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY UNS R56400 OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN, head_diameter: 0.465 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-536-3094, 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
BACB30NN4K17
NSN: 5305-01-536-3094
FSC: 5305 — Screws
CAGE: 81205 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialTITANIUM ALLOY UNS R56400 OVERALL
head_styleFLAT COUNTERSUNK
grip_length1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN
head_diameter0.465 INCHES NOMINAL IN
thread_length0.425 INCHES NOMINAL IN
fastener_length1.472 INCHES MINIMUM AND 1.502 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
surface_treatmentALUMINUM OVERALL
internal_drive_styleCROSS RECESS TYPE 1
NSN5305-01-536-3094
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: BACB30NN4K17 · 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
•
FASTENER LENGTH: 1.472 INCHES MINIMUM AND 1.502 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.425 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
GRIP LENGTH: 1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM IN
•
GRIP DIAMETER: 0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN
•
SURFACE TREATMENT: ALUMINUM OVERALL
TECHNICAL CHARACTERISTICS
FASTENER LENGTH1.472 INCHES MINIMUM AND 1.502 INCHES MAXIMUM IN
THREAD LENGTH0.425 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM IN
GRIP DIAMETER0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN
SURFACE TREATMENTALUMINUM OVERALL
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BACB30NN4K17?
BACB30NN4K17 is a SCREW,CLOSE TOLERANCE.
What is the NSN for BACB30NN4K17?
BACB30NN4K17 is cataloged in the U.S. Government catalog under NSN 5305-01-536-3094. This indicates validated use in U.S. government and defense supply chains.
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