PartsTable
Technical Data Sheet
Download PDF

PBF1266-6-9 — BOLT,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

PBF1266-6-9: BOLT,CLOSE TOLERANCE.

The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-13 OVERALL, head_style: SPLINE DRIVE SHEAR HEAD, grip_length: 0.5525 INCHES MINIMUM AND 0.5725 INCHES MAXIMUM IN, head_height: 0.210 INCHES NOMINAL IN, thread_class: 3A A, grip_diameter: 0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-660-0122, 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
PBF1266-6-9
NSN: 5306-01-660-0122
FSC: 5306 — Bolts
CAGE: 27624 — SPS TECHNOLOGIES LLC DBA PB FASTENERS DIV PB FASTENERS (USA)
SPECIFICATIONS
materialSTEEL COMP XM-13 OVERALL
head_styleSPLINE DRIVE SHEAR HEAD
grip_length0.5525 INCHES MINIMUM AND 0.5725 INCHES MAXIMUM IN
head_height0.210 INCHES NOMINAL IN
thread_class3A A
grip_diameter0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN
thread_length0.516 INCHES NOMINAL IN
fastener_length1.0625 INCHES MINIMUM AND 1.1095 INCHES MAXIMUM IN
special_featuresULTIMATE SHEAR STRENGTH RATED AT 125 KSI;OPERATING TEMP RANGE:UP TO 750 DEGREES F
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
head_minor_diameter0.582 INCHES NOMINAL IN
NSN5306-01-660-0122
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: PBF1266-6-9 · 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: 0.210 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.0625 INCHES MINIMUM AND 1.1095 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2700,METHOD 1 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.516 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: PH13-8MO CRES PER 23-112,TYPE B MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.3750 INCHES IN
•
HEAD STYLE: SPLINE DRIVE SHEAR HEAD
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.210 INCHES NOMINAL IN
FASTENER LENGTH1.0625 INCHES MINIMUM AND 1.1095 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2700,METHOD 1 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.516 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONPH13-8MO CRES PER 23-112,TYPE B MFR REF SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.3750 INCHES IN
HEAD STYLESPLINE DRIVE SHEAR HEAD
THREAD DIRECTIONRIGHT-HAND
SPECIFICATION/STANDARD DATA76301-ST3-747 MANUFACTURERS STANDARD
GRIP LENGTH0.5525 INCHES MINIMUM AND 0.5725 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES 8
S397-6-9Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MB155-6-9Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
VCG0002-6-9Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
ST3M747-6-9Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
122896-6-9Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AIC688-6-9Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy PBF1266-6-9?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is PBF1266-6-9?
PBF1266-6-9 is a BOLT,CLOSE TOLERANCE.
What parts can replace PBF1266-6-9?
There are 8 known substitutes for PBF1266-6-9: S397-6-9, MB155-6-9, VCG0002-6-9 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PBF1266-6-9?
PBF1266-6-9 is cataloged in the U.S. Government catalog under NSN 5306-01-660-0122. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — PBF1266-6-9

✓ 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.