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6242855 — BOLT,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

6242855: BOLT,EXTERNALLY RELIEVED BODY.

The BOLT,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, thread_length: 0.188 INCHES NOMINAL IN, fastener_length: 0.562 INCHES NOMINAL IN, surface_treatment: CERAMIC OVERALL, first_diameter_from_head: 0.084 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN, surface_treatment_document_and_classification: MIL-C-81751 TY1 CL4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-331-6278, 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
6242855
NSN: 5306-01-331-6278
FSC: 5306 — Bolts
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
head_styleHEXAGON
thread_length0.188 INCHES NOMINAL IN
fastener_length0.562 INCHES NOMINAL IN
surface_treatmentCERAMIC OVERALL
first_diameter_from_head0.084 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
externally_relieved_body_diameter_quantity1
surface_treatment_document_and_classificationMIL-C-81751 TY1 CL4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
distance_from_largest_bearing_surface_of_head_to_end_of_first_diameter0.374 INCHES NOMINAL IN
NSN5306-01-331-6278
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 6242855 · 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
•
FASTENER LENGTH: 0.562 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-81751 TY1 CL4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.188 INCHES NOMINAL IN
•
FIRST DIAMETER FROM HEAD: 0.084 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
•
HEAD STYLE: HEXAGON
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER: 0.374 INCHES NOMINAL IN
•
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY: 1
•
COLOR: GRAY/GREY OVERALL
TECHNICAL CHARACTERISTICS
FASTENER LENGTH0.562 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-81751 TY1 CL4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.188 INCHES NOMINAL IN
FIRST DIAMETER FROM HEAD0.084 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
HEAD STYLEHEXAGON
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.374 INCHES NOMINAL IN
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
COLORGRAY/GREY OVERALL
SURFACE TREATMENTCERAMIC OVERALL
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 6242855?
6242855 is a BOLT,EXTERNALLY RELIEVED BODY.
What is the NSN for 6242855?
6242855 is cataloged in the U.S. Government catalog under NSN 5306-01-331-6278. This indicates validated use in U.S. government and defense supply chains.
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