The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-424-1891, 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 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-424-1891 |
| Primary Part Number | 6665650-03 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Shank Diameter | 0.491 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN |
| First End Taper Length | 0.062 INCHES NOMINAL IN |
| First End Location | CHAMFERED END |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hole Arrangement Style | ONE END DRILLED |
| First End Style | CHAMFERED |
| First Hole Diameter | 0.156 INCHES NOMINAL IN |
| Shank Length | 4.312 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | ASTM A564 S17400 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Second End Relationship with First End | NOT IDENTICAL |
| Shoulder Diameter | 0.501 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Second End Style | SQUARE |
| Material | STEEL COMP 630 OVERALL |
| Distance From Centerline of Hole to End of Pin | 4.062 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 |
|---|---|
| 6665650-03 PRIMARY | Naval Sea Systems Command (USA) |
| 6665643 ITEM 26 | Naval Sea Systems Command (USA) |
NSN 5315-01-424-1891 is a Pin,shoulder,headless, manufactured by Naval Sea Systems Command, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-424-1891 has 2 manufacturer part numbers on file: 6665650-03 (Naval Sea Systems Command), 6665643 ITEM 26 (Naval Sea Systems Command).
Key specifications for 6665650-03: Shank Diameter: 0.491 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN; First End Taper Length: 0.062 INCHES NOMINAL IN; First End Location: CHAMFERED END; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 17 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.