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BACB30LU2-5 — SCREW,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

BACB30LU2-5: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL COMP E4340 OR STEEL COMP 8740 OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.1625 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM IN, head_diameter: 0.295 INCHES MINIMUM AND 0.334 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-046-9990, 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
BACB30LU2-5
NSN: 5305-00-046-9990
FSC: 5305 — Screws
CAGE: 06710 — VALLEY-TODECO, INC. DBA ARCONIC FASTENING SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP E4340 OR STEEL COMP 8740 OVERALL
head_styleFLAT COUNTERSUNK
grip_length0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.1625 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM IN
head_diameter0.295 INCHES MINIMUM AND 0.334 INCHES MAXIMUM IN
thread_length0.320 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
surface_finish32.0 MICROINCHES GRIP
fastener_length0.642 INCHES MINIMUM AND 0.672 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
surface_treatmentCADMIUM AND CHROMATE OVERALL
NSN5305-00-046-9990
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: BACB30LU2-5 · 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
•
SURFACE FINISH: 32.0 MICROINCHES THREADS
•
FASTENER LENGTH: 0.642 INCHES MINIMUM AND 0.672 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2 CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
•
THREAD LENGTH: 0.320 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049RJGCAMS 6322 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES THREADS
SURFACE FINISH32.0 MICROINCHES GRIP
FASTENER LENGTH0.642 INCHES MINIMUM AND 0.672 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2 CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
THREAD LENGTH0.320 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049RJGCAMS 6322 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.164 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
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 BACB30LU2-5?
BACB30LU2-5 is a SCREW,CLOSE TOLERANCE.
What is the NSN for BACB30LU2-5?
BACB30LU2-5 is cataloged in the U.S. Government catalog under NSN 5305-00-046-9990. This indicates validated use in U.S. government and defense supply chains.
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