The Pin,straight,headless, cataloged under National Stock Number 5315-01-476-8559, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-476-8559 |
| Primary Part Number | 6640201 PC 18 |
| Item Name | Pin,straight,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| First End Style | CHAMFERED |
| Pin Overall Diameter | 0.1885 INCHES NOMINAL IN |
| Pin Overall Length | 0.520 INCHES NOMINAL IN |
| Second End Relationship with First End | IDENTICAL |
| Material | PLASTIC POLYAMIDE NYLON 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 |
|---|---|
| 6640201 PC 18 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6640198 | D/9 Drawing number reference only Naval Sea Systems Command |
| 6640200 PC 15 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 6640201 | D/9 Drawing number reference only Naval Sea Systems Command |
| 6640198 PC 15 | 5/9 Secondary reference Naval Sea Systems Command |
NSN 5315-01-476-8559 is a Pin,straight,headless, manufactured by Naval Sea Systems Command, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-476-8559 has 1 manufacturer part number on file: 6640201 PC 18 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-627-3493. Verify interchangeability with system specifications before substitution.
Key specifications for 6640201 PC 18: First End Style: CHAMFERED; Pin Overall Diameter: 0.1885 INCHES NOMINAL IN; Pin Overall Length: 0.520 INCHES NOMINAL IN; Second End Relationship with First End: IDENTICAL. 5 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.