The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-530-6563, 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 25 specifications, cited from the U.S. Government catalog. The record lists 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5315-01-530-6563 |
| Primary Part Number | 3M943C3C2-4 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Shank Diameter | 0.189 INCHES NOMINAL IN |
| Second Shank Diameter | 0.185 INCHES MINIMUM AND 0.186 INCHES MAXIMUM IN |
| First End Taper Length | 0.125 INCHES NOMINAL IN |
| First End Location | THREADED END |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Second End Taper Angle | 45.0 DEGREES NOMINAL |
| Hole Arrangement Style | ONE END DRILLED |
| Thread Length | 0.345 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| First Hole Diameter | 0.076 INCHES NOMINAL IN |
| Shank Length | 0.125 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Second End Relationship with First End | NOT IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Shoulder Diameter | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| Second Shank Length | 0.250 INCHES NOMINAL IN |
| First End Tip Radius | 0.060 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Second End Style | CHAMFERED |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 303SE OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Centerline of Hole to End of Pin | 0.140 INCHES NOMINAL IN |
| 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 |
|---|---|
| 3M943C3C2-4 PRIMARY | The Boeing Company Div Defense (USA) |
| VS3258C3C2-4 | Howmet Global Fastening Systems Inc. Div Voi-Shan Products (USA) |
| 3M943C3C2-4 | Reid Products Inc. Dba Reid Products Inc (USA) |
| 3M943C3C2-4 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| 3M943C3C2-4 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 3M943C3C2-4 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 3M943C3C2-4 | G.s. Precision, Inc. (USA) |
| 3M943C3C2-4 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 3M943C3C2-4 | Hi-Shear Corporation (USA) |
| 11415C3C2-4 | Reid Products Inc. Dba Reid Products Inc (USA) |
| Reference | Meaning |
|---|---|
| AAP139C3C2-4 | 5/2 Secondary reference U.S. Government activity |
NSN 5315-01-530-6563 is a Pin,shoulder,headless, manufactured by The Boeing Company Div Defense, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-530-6563 has 10 manufacturer part numbers on file: 3M943C3C2-4 (The Boeing Company Div Defense), VS3258C3C2-4 (Howmet Global Fastening Systems Inc. Div Voi-Shan Products), 3M943C3C2-4 (Reid Products Inc. Dba Reid Products Inc), 3M943C3C2-4 (Sps Technologies Ltd, Tj Brooks Division), 3M943C3C2-4 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 5 more.
Key specifications for 3M943C3C2-4: Shank Diameter: 0.189 INCHES NOMINAL IN; Second Shank Diameter: 0.185 INCHES MINIMUM AND 0.186 INCHES MAXIMUM IN; First End Taper Length: 0.125 INCHES NOMINAL IN; First End Location: THREADED END. 25 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.