The Bolt,shear, cataloged under National Stock Number 5306-01-480-3258, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-480-3258 |
| Primary Part Number | C7521-4-9R |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| C7521-4-9R PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| C7521-4-9R | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| C7521-4-9R | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| C7521-4-9R | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5306-01-480-3258 is a Bolt,shear, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-480-3258 has 3 manufacturer part numbers on file: C7521-4-9R (Sps Technologies, Llc Dba PB Fasteners), C7521-4-9R (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), C7521-4-9R (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company).
Key specifications for C7521-4-9R: Special Features: R (REF. NO.) INDICATES .0156 OVERSIZE, RESTRICTED FOR REPAIR WORK ONLY. NEXT HIGHER ASSY. 16B600-1, -803, SPLICE INSTL.; Part Name Assigned by Controlling Agency: BOLT, EXT WRENCHING HD, SPLINE DRIVE, 132 KSI SHEAR; End Item Identification: 16B001-1, FUSELAGE ASSY, AIRCRAFT. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.