The Pin,straight,headless, cataloged under National Stock Number 5315-01-420-7635, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Steward Machine Co 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Pin,straight,headless |
| FSC / FSG | 5315 — Nails, Machine Keys, and Pins (FSG 53) |
| Manufacturers | Steward Machine Co Inc (CAGE 9E328) |
| Parameter | Value |
|---|---|
| NSN | 5315-01-420-7635 |
| Primary Part Number | 391-621 |
| Item Name | Pin,straight,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Steward Machine Co 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 |
|---|---|
| 391-621 PRIMARY | Steward Machine Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 591-621 | 3/9 Design control — primary reference Hardie-Tynes Co., Inc. |
| 60-1073 PIECE 621 | 5/9 Secondary reference Hardie-Tynes Co., Inc. |
NSN 5315-01-420-7635 is a Pin,straight,headless, manufactured by Steward Machine Co Inc, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-420-7635 has 1 manufacturer part number on file: 391-621 (Steward Machine Co Inc).
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.