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BACB30ZE4-7 — SCREW,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

BACB30ZE4-7: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, head_style: PAN, grip_length: 0.4375 INCHES NOMINAL IN, head_height: 0.014 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-612-4758, 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
BACB30ZE4-7
NSN: 5305-01-612-4758
FSC: 5305 — Screws
CAGE: 06725 — SPS TECHNOLOGIES, LLC DBA AIR INDUSTRIES COMPANY DIV AIR INDUSTRIES COMPANY (USA)
SPECIFICATIONS
materialIRON ALLOY 660 OVERALL
head_stylePAN
grip_length0.4375 INCHES NOMINAL IN
head_height0.014 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
head_diameter0.355 INCHES MINIMUM AND 0.397 INCHES MAXIMUM IN
thread_length0.370 INCHES NOMINAL IN
fastener_length0.8075 INCHES NOMINAL IN
special_featuresCLOSE TOLERANCE
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
NSN5305-01-612-4758
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: BACB30ZE4-7 · 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: 0.014 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.8075 INCHES NOMINAL IN
•
THREAD LENGTH: 0.370 INCHES NOMINAL IN
•
SINGLE SHEAR STRENGTH: ERR-060
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: PAN
•
THREAD DIRECTION: RIGHT-HAND
•
GRIP LENGTH: 0.4375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.014 INCHES MAXIMUM IN
FASTENER LENGTH0.8075 INCHES NOMINAL IN
THREAD LENGTH0.370 INCHES NOMINAL IN
SINGLE SHEAR STRENGTHERR-060
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEPAN
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH0.4375 INCHES NOMINAL IN
GRIP DIAMETER0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
SPECIAL FEATURESCLOSE TOLERANCE
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
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 BACB30ZE4-7?
BACB30ZE4-7 is a SCREW,CLOSE TOLERANCE.
What is the NSN for BACB30ZE4-7?
BACB30ZE4-7 is cataloged in the U.S. Government catalog under NSN 5305-01-612-4758. 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.