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BACB30VF3K5 — SCREW,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

BACB30VF3K5: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN, head_diameter: 0.271 INCHES MINIMUM AND 0.303 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-190-4589, 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
BACB30VF3K5
NSN: 5305-01-190-4589
NIINs: 011904589, 016696639
FSC: 5305 — Screws
CAGE: 17446 — HUCK INTERNATIONAL, INC (USA)
SPECIFICATIONS
materialTITANIUM ALLOY OVERALL
head_styleFLAT COUNTERSUNK
grip_length0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
head_diameter0.271 INCHES MINIMUM AND 0.303 INCHES MAXIMUM IN
thread_length0.308 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
surface_finish32.0 MICROINCHES THREADS
fastener_length0.625 INCHES MINIMUM AND 0.645 INCHES MAXIMUM IN
special_featuresBLACK DYE OR PAINT ON THREAD END
thread_directionRIGHT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
NSN5305-01-190-4589
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: BACB30VF3K5 · 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: 0.625 INCHES MINIMUM AND 0.645 INCHES MAXIMUM IN
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SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: BMS 10-85,TYPE 1,FSCM 81205 MFR REF SINGLE TREATMENT RESPONSE OVERALL
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THREAD LENGTH: 0.308 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
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MATERIAL DOCUMENT AND CLASSIFICATION: AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES THREADS
SURFACE FINISH32.0 MICROINCHES GRIP
FASTENER LENGTH0.625 INCHES MINIMUM AND 0.645 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONBMS 10-85,TYPE 1,FSCM 81205 MFR REF SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.308 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
5305PL2085257Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BACB30VF3K5?
BACB30VF3K5 is a SCREW,CLOSE TOLERANCE.
What parts can replace BACB30VF3K5?
There is 1 known substitute for BACB30VF3K5: 5305PL2085257. Substitute compatibility should be verified for your specific system.
What is the NSN for BACB30VF3K5?
BACB30VF3K5 is cataloged in the U.S. Government catalog under NSN 5305-01-190-4589. 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.