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MBEU12086 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

MBEU12086: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: CROWNED HEXAGON, head_height: 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-810-7989, 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
MBEU12086
NSN: 5306-00-810-7989
FSC: 5306 — Bolts
CAGE: U1604 — MARTIN-BAKER AIRCRAFT COMPANY LIMITED (GBR)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleCROWNED HEXAGON
head_height0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
thread_class2A A
thread_length0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length1.432 INCHES MINIMUM AND 1.442 INCHES MAXIMUM IN
shoulder_length0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM FIRST SHOULDER IN
special_featuresITEM TO BE COATED WITH BLUE MARKING DYE AFTER APPL OF FINISH TO IDENTIFY UNF THD
thread_directionRIGHT-HAND
shoulder_diameter0.309 INCHES MINIMUM AND 0.311 INCHES MAXIMUM FIRST SHOULDER IN
surface_treatmentCADMIUM OVERALL
NSN5306-00-810-7989
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MBEU12086 · 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: 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.432 INCHES MINIMUM AND 1.442 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM FIRST SHOULDER IN
•
SHOULDER DIAMETER: 0.309 INCHES MINIMUM AND 0.311 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
MATERIAL DOCUMENT AND CLASSIFICATION: S9604253 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
FASTENER LENGTH1.432 INCHES MINIMUM AND 1.442 INCHES MAXIMUM IN
SHOULDER LENGTH0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM FIRST SHOULDER IN
SHOULDER DIAMETER0.309 INCHES MINIMUM AND 0.311 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONS9604253 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLECROWNED HEXAGON
THREAD DIRECTIONRIGHT-HAND
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MBEU12086?
MBEU12086 is a BOLT,SHOULDER.
What is the NSN for MBEU12086?
MBEU12086 is cataloged in the U.S. Government catalog under NSN 5306-00-810-7989. 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.