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PBF1165B4-12 — SCREW,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

PBF1165B4-12: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL COMP H11 OVERALL, head_style: FLAT FILLISTER, grip_length: 0.750 INCHES NOMINAL IN, head_height: 0.015 INCHES NOMINAL 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 5305-01-706-5519, 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
PBF1165B4-12
NSN: 5305-01-706-5519
FSC: 5305 — Screws
CAGE: 27624 — SPS TECHNOLOGIES LLC DBA PB FASTENERS DIV PB FASTENERS (USA)
SPECIFICATIONS
materialSTEEL COMP H11 OVERALL
head_styleFLAT FILLISTER
grip_length0.750 INCHES NOMINAL IN
head_height0.015 INCHES NOMINAL IN
thread_class3A A
grip_diameter0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
head_diameter0.507 INCHES MAXIMUM IN
thread_length0.370 INCHES NOMINAL IN
fastener_length1.105 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
hardness_rating46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
NSN5305-01-706-5519
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: PBF1165B4-12 · 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: 0.015 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.105 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-83488 TYPE II,CLASS 3 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-L-46010,TYPE I APPLIED OVER ALUMINUM COATING MIL SPEC 2ND TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.370 INCHES NOMINAL IN
•
HARDNESS RATING: 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
SINGLE SHEAR STRENGTH: ERR-060
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.015 INCHES NOMINAL IN
FASTENER LENGTH1.105 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-83488 TYPE II,CLASS 3 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-L-46010,TYPE I APPLIED OVER ALUMINUM COATING MIL SPEC 2ND TREATMENT RESPONSE OVERALL
THREAD LENGTH0.370 INCHES NOMINAL IN
HARDNESS RATING46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SINGLE SHEAR STRENGTHERR-060
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEFLAT FILLISTER
THREAD DIRECTIONRIGHT-HAND
SUBSTITUTES & CROSS-REFERENCES 4
PBF116B4-12Reference document
Same NSN cross-reference
Reference document — Secondary reference
121557-4-A12BSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
C7984Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
VT1693AS4-12Same 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 PBF1165B4-12?
PBF1165B4-12 is a SCREW,CLOSE TOLERANCE.
What parts can replace PBF1165B4-12?
There are 4 known substitutes for PBF1165B4-12: PBF116B4-12, 121557-4-A12B, C7984 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PBF1165B4-12?
PBF1165B4-12 is cataloged in the U.S. Government catalog under NSN 5305-01-706-5519. 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.