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Technical Data Sheet
PartsTable / COMPONENT / SLB259-7-27
SLB259-7-27 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The BOLT,SHEAR is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, head_style: SPLINE EXTENDED WASHER, grip_length: 1.678 INCHES MINIMUM AND 1.698 INCHES MAXIMUM IN, head_height: 0.393 INCHES NOMINAL IN, thread_class: 3A A, grip_diameter: 0.4365 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-507-3898, 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
SLB259-7-27
NSN: 5306-01-507-3898
FSC: 5306
CAGE: 16258 — SPACE-LOK, INC. DBA SPACE-LOK INC DIV SPACE-LOK (USA)
SPECIFICATIONS
materialNICKEL ALLOY 718 OVERALL
head_styleSPLINE EXTENDED WASHER
grip_length1.678 INCHES MINIMUM AND 1.698 INCHES MAXIMUM IN
head_height0.393 INCHES NOMINAL IN
thread_class3A A
grip_diameter0.4365 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN
thread_length0.845 INCHES MAXIMUM IN
surface_finish32.0 MICROINCHES BEARING SURFACE OF HEAD
fastener_length2.518 INCHES MINIMUM AND 2.548 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
head_minor_diameter0.485 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
NSN5306-01-507-3898
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SLB259-7-27 · 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
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD DIAMETER: 0.438 INCHES IN
•
GRIP LENGTH: 1.678 INCHES MINIMUM AND 1.698 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL JOINT FINE (UNJF)
•
MATERIAL: NICKEL ALLOY 718 OVERALL
•
GRIP DIAMETER: 0.4365 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN
•
SURFACE FINISH: 32.0 MICROINCHES BEARING SURFACE OF HEAD
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD DIAMETER0.438 INCHES IN
GRIP LENGTH1.678 INCHES MINIMUM AND 1.698 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)
MATERIALNICKEL ALLOY 718 OVERALL
GRIP DIAMETER0.4365 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH32.0 MICROINCHES GRIP
THREAD CLASS3A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
1038264Interchangeable
interchangeable cross-reference
interchangeable
874727Interchangeable
interchangeable cross-reference
interchangeable
3D0073-7-27Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SLB259-7-27?
SLB259-7-27 is a BOLT,SHEAR.
What parts can replace SLB259-7-27?
There are 3 known substitutes for SLB259-7-27: 1038264, 874727, 3D0073-7-27. Substitute compatibility should be verified for your specific system.
What is the NSN for SLB259-7-27?
SLB259-7-27 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-507-3898. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026