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Technical Data Sheet
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65123-11312 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

65123-11312: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 OVERALL, head_style: DISHED HEXAGON, head_height: 0.562 INCHES MINIMUM AND 0.577 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.585 INCHES NOMINAL IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-146-8158, 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
65123-11312
NSN: 5306-01-146-8158
FSC: 5306 — Bolts
CAGE: 2V343 — APEX MANUFACTURING COMPANY, INC. DBA APEX MANUFACTURING CO (USA)
SPECIFICATIONS
materialSTEEL COMP 4340 OVERALL
head_styleDISHED HEXAGON
head_height0.562 INCHES MINIMUM AND 0.577 INCHES MAXIMUM IN
thread_class3A A
thread_length0.585 INCHES NOMINAL IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length6.390 INCHES NOMINAL IN
shoulder_length5.680 INCHES NOMINAL FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter1.122 INCHES MINIMUM AND 1.124 INCHES MAXIMUM FIRST SHOULDER IN
surface_treatmentCADMIUM OVERALL
width_between_flats1.490 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
NSN5306-01-146-8158
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 65123-11312 · 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: 0.562 INCHES MINIMUM AND 0.577 INCHES MAXIMUM IN
•
FASTENER LENGTH: 6.390 INCHES NOMINAL IN
•
SHOULDER LENGTH: 5.680 INCHES NOMINAL FIRST SHOULDER IN
•
SHOULDER DIAMETER: 1.122 INCHES MINIMUM AND 1.124 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.585 INCHES NOMINAL IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
NOMINAL THREAD DIAMETER: 0.875 INCHES IN
•
HEAD STYLE: DISHED HEXAGON
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.562 INCHES MINIMUM AND 0.577 INCHES MAXIMUM IN
FASTENER LENGTH6.390 INCHES NOMINAL IN
SHOULDER LENGTH5.680 INCHES NOMINAL FIRST SHOULDER IN
SHOULDER DIAMETER1.122 INCHES MINIMUM AND 1.124 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.585 INCHES NOMINAL IN
SHOULDER SHAPEROUND FIRST SHOULDER
NOMINAL THREAD DIAMETER0.875 INCHES IN
HEAD STYLEDISHED HEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS1.490 INCHES MINIMUM AND 1.500 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 1
65123-11312-102Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 65123-11312?
65123-11312 is a BOLT,SHOULDER.
What parts can replace 65123-11312?
There is 1 known substitute for 65123-11312: 65123-11312-102. Substitute compatibility should be verified for your specific system.
What is the NSN for 65123-11312?
65123-11312 is cataloged in the U.S. Government catalog under NSN 5306-01-146-8158. This indicates validated use in U.S. government and defense supply chains.
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