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C7521-4-9R — BOLT,SHEAR

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

C7521-4-9R: BOLT,SHEAR.

The BOLT,SHEAR is a the manufacturer industrial component. Key specifications include special_features: R (REF. NO.) INDICATES .0156 OVERSIZE, RESTRICTED FOR REPAIR WORK ONLY.

NEXT HIGHER ASSY. 16B600-1, -803, SPLICE INSTL., end_item_identification: 16B001-1, FUSELAGE ASSY, AIRCRAFT, part_name_assigned_by_controlling_agency: BOLT, EXT WRENCHING HD, SPLINE DRIVE, 132 KSI SHEAR. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-480-3258, 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
C7521-4-9R
NSN: 5306-01-480-3258
FSC: 5306 — Bolts
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)
SPECIFICATIONS
special_featuresR (REF. NO.) INDICATES .0156 OVERSIZE, RESTRICTED FOR REPAIR WORK ONLY. NEXT HIGHER ASSY. 16B600-1, -803, SPLICE INSTL.
end_item_identification16B001-1, FUSELAGE ASSY, AIRCRAFT
part_name_assigned_by_controlling_agencyBOLT, EXT WRENCHING HD, SPLINE DRIVE, 132 KSI SHEAR
NSN5306-01-480-3258
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: C7521-4-9R · 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESR (REF. NO.) INDICATES .0156 OVERSIZE, RESTRICTED FOR REPAIR WORK ONLY. NEXT HIGHER ASSY. 16B600-1, -803, SPLICE INSTL.
PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT, EXT WRENCHING HD, SPLINE DRIVE, 132 KSI SHEAR
END ITEM IDENTIFICATION16B001-1, FUSELAGE ASSY, AIRCRAFT
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 C7521-4-9R?
C7521-4-9R is a BOLT,SHEAR.
What is the NSN for C7521-4-9R?
C7521-4-9R is cataloged in the U.S. Government catalog under NSN 5306-01-480-3258. This indicates validated use in U.S. government and defense supply chains.
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