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123CVM10203-511 — BOLT,RIBBED SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

123CVM10203-511: BOLT,RIBBED SHOULDER.

The BOLT,RIBBED SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 410 OVERALL, rib_length: 1.334 INCHES NOMINAL IN, head_height: 0.187 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN, rib_quantity: 36, thread_class: 3A A, head_diameter: 0.640 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-099-7323, 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
123CVM10203-511
NSN: 5306-00-099-7323
FSC: 5306 — Bolts
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 410 OVERALL
rib_length1.334 INCHES NOMINAL IN
head_height0.187 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
rib_quantity36
thread_class3A A
head_diameter0.640 INCHES NOMINAL IN
thread_length0.396 INCHES MINIMUM IN
shoulder_shapeRIBBED FIRST SHOULDER
fastener_length3.374 INCHES NOMINAL IN
hardness_rating39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
shoulder_length1.334 INCHES NOMINAL FIRST SHOULDER IN
special_featuresINDEX MARK ON HEAD INDICATES LOCATION OF 3 SHOULDER RIBS REMOVED
NSN5306-00-099-7323
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 123CVM10203-511 · 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: 0.187 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
•
RIB INCLUDED ANGLE: 45.0 DEGREES NOMINAL
•
FASTENER LENGTH: 3.374 INCHES NOMINAL IN
•
SHOULDER LENGTH: 1.334 INCHES NOMINAL FIRST SHOULDER IN
•
DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS: 0.228 INCHES NOMINAL IN
•
SHOULDER DIAMETER: 0.3720 INCHES MINIMUM AND 0.3740 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.396 INCHES MINIMUM IN
•
SHOULDER SHAPE: RIBBED FIRST SHOULDER
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.187 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
RIB INCLUDED ANGLE45.0 DEGREES NOMINAL
FASTENER LENGTH3.374 INCHES NOMINAL IN
SHOULDER LENGTH1.334 INCHES NOMINAL FIRST SHOULDER IN
DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS0.228 INCHES NOMINAL IN
SHOULDER DIAMETER0.3720 INCHES MINIMUM AND 0.3740 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.396 INCHES MINIMUM IN
SHOULDER SHAPERIBBED FIRST SHOULDER
HARDNESS RATING39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
RIB LENGTH1.334 INCHES NOMINAL 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 123CVM10203-511?
123CVM10203-511 is a BOLT,RIBBED SHOULDER.
What is the NSN for 123CVM10203-511?
123CVM10203-511 is cataloged in the U.S. Government catalog under NSN 5306-00-099-7323. This indicates validated use in U.S. government and defense supply chains.
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