PartsTable
Technical Data Sheet
Download PDF

CA18391-55 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

CA18391-55: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, grip_length: 5.219 INCHES MINIMUM AND 5.312 INCHES MAXIMUM IN, head_height: 0.015 INCHES NOMINAL IN, grip_diameter: 0.247 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN, fastener_length: 5.234 INCHES MINIMUM AND 5.325 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-595-7545, 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
CA18391-55
NSN: 5306-01-595-7545
FSC: 5306 — Bolts
CAGE: 29372 — HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
grip_length5.219 INCHES MINIMUM AND 5.312 INCHES MAXIMUM IN
head_height0.015 INCHES NOMINAL IN
grip_diameter0.247 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN
fastener_length5.234 INCHES MINIMUM AND 5.325 INCHES MAXIMUM IN
surface_treatmentCADMIUM OVERALL
width_between_flats0.375 INCHES NOMINAL IN
material_document_and_classificationMIL-S-5825 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-415 TYPE II CLASS 2 FED SPEC 1ST TREATMENT RESPONSE OVERALL
NSN5306-01-595-7545
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: CA18391-55 · 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: 0.015 INCHES NOMINAL IN
•
FASTENER LENGTH: 5.234 INCHES MINIMUM AND 5.325 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-415 TYPE II CLASS 2 FED SPEC 1ST TREATMENT RESPONSE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5825 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
HEAD STYLE: HEXAGON
•
GRIP LENGTH: 5.219 INCHES MINIMUM AND 5.312 INCHES MAXIMUM IN
•
WIDTH BETWEEN FLATS: 0.375 INCHES NOMINAL IN
•
GRIP DIAMETER: 0.247 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.015 INCHES NOMINAL IN
FASTENER LENGTH5.234 INCHES MINIMUM AND 5.325 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-415 TYPE II CLASS 2 FED SPEC 1ST TREATMENT RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5825 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLEHEXAGON
GRIP LENGTH5.219 INCHES MINIMUM AND 5.312 INCHES MAXIMUM IN
WIDTH BETWEEN FLATS0.375 INCHES NOMINAL IN
GRIP DIAMETER0.247 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL 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
No demilitarization required
Ready to buy CA18391-55?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is CA18391-55?
CA18391-55 is a BOLT,MACHINE.
What is the NSN for CA18391-55?
CA18391-55 is cataloged in the U.S. Government catalog under NSN 5306-01-595-7545. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — CA18391-55