The Pin,shoulder,headed, cataloged under National Stock Number 5315-01-609-3221, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Seyer Industries, Inc. Dba Seyer Industries Inc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Pin,shoulder,headed |
| FSC / FSG | 5315 — Nails, Machine Keys, and Pins (FSG 53) |
| Manufacturers | Seyer Industries, Inc. Dba Seyer Industries Inc (CAGE 19494) |
| Parameter | Value |
|---|---|
| NSN | 5315-01-609-3221 |
| Primary Part Number | 449-215-001-121 |
| Item Name | Pin,shoulder,headed |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Seyer Industries, Inc. Dba Seyer Industries Inc |
| 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 |
|---|---|
| 449-215-001-121 PRIMARY | Seyer Industries, Inc. Dba Seyer Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 449-215-001-121 | 5/9 Secondary reference U.S. Government activity |
| 449-215-001 | D/9 Drawing number reference only U.S. Government activity |
NSN 5315-01-609-3221 is a Pin,shoulder,headed, manufactured by Seyer Industries, Inc. Dba Seyer Industries Inc, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-609-3221 has 1 manufacturer part number on file: 449-215-001-121 (Seyer Industries, Inc. Dba Seyer Industries Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5970-01-705-9333, 5970-01-705-9334. Verify interchangeability with system specifications before substitution.
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.