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PBF1484-3-7 — SCREW,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

PBF1484-3-7: 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: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN, head_diameter: 0.3825 INCHES MINIMUM AND 0.3911 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-351-6320, 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
PBF1484-3-7
NSN: 5305-01-351-6320
FSC: 5305 — Screws
CAGE: 27624 — SPS TECHNOLOGIES LLC DBA PB FASTENERS DIV PB FASTENERS (USA)
SPECIFICATIONS
materialTITANIUM ALLOY UNS R56400 OVERALL
head_styleFLAT COUNTERSUNK
grip_length0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
head_diameter0.3825 INCHES MINIMUM AND 0.3911 INCHES MAXIMUM IN
thread_length0.363 INCHES NOMINAL IN
fastener_length0.786 INCHES MINIMUM AND 0.816 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
countersink_angle129.0 DEGREES MINIMUM AND 131.0 DEGREES MAXIMUM
internal_drive_styleOFFSET CRUCIFORM (TORQUE SET)
nominal_thread_diameter0.190 INCHES IN
NSN5305-01-351-6320
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: PBF1484-3-7 · 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
•
FASTENER LENGTH: 0.786 INCHES MINIMUM AND 0.816 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.363 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
GRIP LENGTH: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
•
GRIP DIAMETER: 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FASTENER LENGTH0.786 INCHES MINIMUM AND 0.816 INCHES MAXIMUM IN
THREAD LENGTH0.363 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
GRIP DIAMETER0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
INTERNAL DRIVE STYLEOFFSET CRUCIFORM (TORQUE SET)
COUNTERSINK ANGLE129.0 DEGREES MINIMUM AND 131.0 DEGREES MAXIMUM
SUBSTITUTES & CROSS-REFERENCES 7
HR246-3-7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AIC1700-3-7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
123992-3-7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
03A225-3-7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SC5027-3-7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
DF33001V-3T-7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is PBF1484-3-7?
PBF1484-3-7 is a SCREW,CLOSE TOLERANCE.
What parts can replace PBF1484-3-7?
There are 7 known substitutes for PBF1484-3-7: HR246-3-7, AIC1700-3-7, 123992-3-7 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PBF1484-3-7?
PBF1484-3-7 is cataloged in the U.S. Government catalog under NSN 5305-01-351-6320. 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.