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78238 — CONE AND ROLLERS,TAPERED ROLLER

✓ Government record, cited
Clementoni · BOLT SCREW
PRODUCT OVERVIEW

78238: CONE AND ROLLERS,TAPERED ROLLER.

- Have fun assembling your first microscope! - Discover the secrets of nature and observe the world around you, just like a real scientist. Key specifications include material: STEEL OVERALL, cone_width: 1.3085 INCHES NOMINAL IN, bore_diameter: 2.3750 INCHES NOMINAL IN, style_designator: STEEP ANGLE, cone_corner_radius: 0.2000 INCHES NOMINAL IN, standard_tolerance_designation: AFBMA CLASS 2.

This part is cataloged in the U.S. Government catalog under NSN 5306-00-235-4811, 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
78238
NSN: 5306-00-235-4811
NIINs: 002354811, 003110447, 006205602, 009098358, 009837386
FSC: 5306 — Bolts
CAGE: 1STQ3 — CURTISS-WRIGHT FLOW CONTROL CORPORATION DBA SPRAGUE PRODUCTS DIV CURTISS-WRIGHT FLOW CONTROLS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cone_width1.3085 INCHES NOMINAL IN
bore_diameter2.3750 INCHES NOMINAL IN
style_designatorSTEEP ANGLE
cone_corner_radius0.2000 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
general_characteristics_item_descriptionMAGNETIC ALLOY,AMS 7701; 3.084 TO 3.100 IN. O/A DIA; 4 HOLES 0.138 TO 0.143 IN. DIA,EQUALLY SPACED IN
NSN5306-00-235-4811
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 78238 · Clementoni ⚠ 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
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 78238?
78238 is a CONE AND ROLLERS,TAPERED ROLLER manufactured by Clementoni.
What is the NSN for 78238?
78238 is cataloged in the U.S. Government catalog under NSN 5306-00-235-4811. 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.