The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-547-5033, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Div Voi-Shan Products. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-547-5033 |
| Primary Part Number | VS3258E4-4-8 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Voi-Shan Products |
| Status | ACTIVE |
| Shank Diameter | 0.249 INCHES NOMINAL IN |
| Second Shank Diameter | 0.249 INCHES NOMINAL IN |
| First End Taper Length | 0.030 INCHES NOMINAL IN |
| First End Location | THREADED END |
| First End Style | CHAMFERED |
| Style Designator | SHOULDER |
| Second End Taper Length | 0.250 INCHES NOMINAL IN |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Second End Relationship with First End | NOT IDENTICAL |
| Nominal Thread Size | 0.250 INCHES IN |
| Shoulder Diameter | 0.434 INCHES NOMINAL IN |
| Second End Tip Radius | 0.060 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Second End Style | CHAMFERED |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| VS3258E4-4-8 PRIMARY | Howmet Global Fastening Systems Inc. Div Voi-Shan Products (USA) |
| 3M943E4-4-8 PRIMARY | Hi-Shear Corporation (USA) |
| 3M943E4-4-8 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 3M943E4-4-8 | The Boeing Company Div Defense (USA) |
| D792683E4N8 PRIMARY | Huck International, Inc (USA) |
| 3M943E4-4-8 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 3M943E4-4-8 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 3M943E4-4-8 PRIMARY | G.s. Precision, Inc. (USA) |
| 11415E4-4-8 PRIMARY | Reid Products Inc. Dba Reid Products Inc (USA) |
| Reference | Meaning |
|---|---|
| AAP139E4-4-8 | 3/2 Design control — primary reference U.S. Government activity |
| 3M943E4-4-8 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5315-01-547-5033 is a Pin,shoulder,headless, manufactured by Howmet Global Fastening Systems Inc. Div Voi-Shan Products, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-547-5033 has 9 manufacturer part numbers on file: VS3258E4-4-8 (Howmet Global Fastening Systems Inc. Div Voi-Shan Products), 3M943E4-4-8 (Hi-Shear Corporation), 3M943E4-4-8 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), 3M943E4-4-8 (The Boeing Company Div Defense), D792683E4N8 (Huck International, Inc) and 4 more.
Key specifications for VS3258E4-4-8: Shank Diameter: 0.249 INCHES NOMINAL IN; Second Shank Diameter: 0.249 INCHES NOMINAL IN; First End Taper Length: 0.030 INCHES NOMINAL IN; First End Location: THREADED END. 16 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.