The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-481-9425, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 19 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-481-9425 |
| Primary Part Number | 3M943C4-3-3 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| VS3258C4-3-3 | Howmet Global Fastening Systems Inc (USA) |
| 3M943C4-3-3 PRIMARY | The Boeing Company Div Defense (USA) |
| 3M943C4-3-3 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 3M943C4-3-3 PRIMARY | Hi-Shear Corporation (USA) |
| 3M943C4-3-3 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| 3M943C4-3-3 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 3M943C4-3-3 PRIMARY | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| 3M943C4-3-3 | Houston Precision Fasteners I Lp (USA) |
| 11415C4-3-3 | Reid Products Inc. Dba Reid Products Inc (USA) |
| 3M943C4-3-3 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| WC943C4-3-3 | West Coast Aerospace, Inc. (USA) |
| 3M943C4-3-3 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 3M943C4-3-3 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| VS3258C4-3-3 | Howmet Global Fastening Systems Inc. Div Voi-Shan Products (USA) |
| D792683C3N3 PRIMARY | Huck International, Inc (USA) |
| 3M943C4-3-3 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| 3M943C4-3-3 | G.s. Precision, Inc. (USA) |
| 3M943C4-3-3 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 3M943C4-3-3 PRIMARY | Saturn Fasteners Inc (USA) |
| Reference | Meaning |
|---|---|
| 3M943C4-3-3 | 5/9 Secondary reference Sps Technologies Inc |
| VS3258C4-3-3 | 5/2 Secondary reference U.S. Government activity |
| AAP139C4-3-3 | 5/2 Secondary reference U.S. Government activity |
| 3M943C4-3-3 | 3/2 Design control — primary reference U.S. Government activity |
| D792683C3N3 | 5/9 Secondary reference U.S. Government activity |
NSN 5315-01-481-9425 is a Pin,shoulder,headless, manufactured by The Boeing Company Div Defense, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-481-9425 has 19 manufacturer part numbers on file: VS3258C4-3-3 (Howmet Global Fastening Systems Inc), 3M943C4-3-3 (The Boeing Company Div Defense), 3M943C4-3-3 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 3M943C4-3-3 (Hi-Shear Corporation), 3M943C4-3-3 (Heartland Precision Fasteners Inc) and 14 more.
Key specifications for 3M943C4-3-3: Criticality Code Justification: AGAV; Special Features: THREAD END DIA 0.2495-0.2490; PIN END DIA 0.2495-0.2490; End Item Identification: F18E/F FIGHTER AIRCRAFT. 1 specification is 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.