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PBF1484-4-11A — SCREW,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

PBF1484-4-11A: 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 COUNTERSUNKFLAT COUNTERSUNK, grip_length: 0.678 INCHES MINIMUM AND 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM0.698 INCHES MAXIMUM IN, thread_class: 3A3A, grip_diameter: 0.2485 INCHES MINIMUM AND 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM0.2495 INCHES MAXIMUM IN, head_diameter: 0.5026 INCHES MINIMUM AND 0.5026 INCHES MINIMUM AND 0.5111 INCHES MAXIMUM0.5111 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-331-7206, 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
PBF1484-4-11A
NSN: 5305-01-331-7206
FSC: 5305 — Screws
CAGE: 27624 — SPS TECHNOLOGIES LLC DBA PB FASTENERS DIV PB FASTENERS (USA)
SPECIFICATIONS
materialTITANIUM ALLOY UNS R56400 OVERALL
head_styleFLAT COUNTERSUNKFLAT COUNTERSUNK
grip_length0.678 INCHES MINIMUM AND 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM0.698 INCHES MAXIMUM IN
thread_class3A3A
grip_diameter0.2485 INCHES MINIMUM AND 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM0.2495 INCHES MAXIMUM IN
head_diameter0.5026 INCHES MINIMUM AND 0.5026 INCHES MINIMUM AND 0.5111 INCHES MAXIMUM0.5111 INCHES MAXIMUM IN
thread_length0.403 INCHES NOMINAL0.403 INCHES NOMINAL IN
surface_finish32.0 MICROINCHES BEARING SURFACE OF HEAD32.0 MICROINCHES BEARING SURFACE OF HEAD
fastener_length1.076 INCHES MINIMUM AND 1.076 INCHES MINIMUM AND 1.106 INCHES MAXIMUM1.106 INCHES MAXIMUM IN
thread_directionRIGHT-HANDRIGHT-HAND
countersink_angle129.0 DEGREES MINIMUM AND 129.0 DEGREES MINIMUM AND 131.0 DEGREES MAXIMUM131.0 DEGREES MAXIMUM
surface_treatmentALUMINUM OVERALLALUMINUM OVERALL
NSN5305-01-331-7206
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: PBF1484-4-11A · 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 GRIP32.0 MICROINCHES GRIP
•
FASTENER LENGTH: 1.076 INCHES MINIMUM AND 1.076 INCHES MINIMUM AND 1.106 INCHES MAXIMUM1.106 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: NAS 4006 ASSN STD SINGLE TREATMENT RESPONSE OVERALLNAS 4006 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.403 INCHES NOMINAL0.403 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALLAMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.250 INCHES0.250 INCHES IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES GRIP32.0 MICROINCHES GRIP
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD32.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH32.0 MICROINCHES THREADS32.0 MICROINCHES THREADS
FASTENER LENGTH1.076 INCHES MINIMUM AND 1.076 INCHES MINIMUM AND 1.106 INCHES MAXIMUM1.106 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONNAS 4006 ASSN STD SINGLE TREATMENT RESPONSE OVERALLNAS 4006 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.403 INCHES NOMINAL0.403 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALLAMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES0.250 INCHES IN
HEAD STYLEFLAT COUNTERSUNKFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HANDRIGHT-HAND
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 7
123992-4-11ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
03A225-4-11ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
HR246-4-11ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SC5027-4-11ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SLB212-4-11ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AIC1700-4-11ASame 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 PBF1484-4-11A?
PBF1484-4-11A is a SCREW,CLOSE TOLERANCE.
What parts can replace PBF1484-4-11A?
There are 7 known substitutes for PBF1484-4-11A: 123992-4-11A, 03A225-4-11A, HR246-4-11A and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PBF1484-4-11A?
PBF1484-4-11A is cataloged in the U.S. Government catalog under NSN 5305-01-331-7206. 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.