The Pin,grooved,headed, cataloged under National Stock Number 5315-01-424-1888, 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 13 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 | 5315-01-424-1888 |
| Primary Part Number | 6665649-01 |
| Item Name | Pin,grooved,headed |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Width Across Flats | 1.125 INCHES NOMINAL IN |
| Undercut Diameter | 0.312 INCHES NOMINAL IN |
| Under Head Length | 3.688 INCHES NOMINAL IN |
| First End Style | SQUARE |
| Style Designator | GROOVE |
| Material Document and Classification | ASTM A564 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.749 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Effective Length | 2.750 INCHES NOMINAL IN |
| Head Style | HEXAGON |
| Grip Length | 2.750 INCHES NOMINAL IN |
| Height | 0.688 INCHES NOMINAL IN |
| Undercut Radius | 0.062 INCHES NOMINAL IN |
| Material | STEEL COMP 630 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 |
|---|---|
| 6665649-01 PRIMARY | Naval Sea Systems Command (USA) |
| 6665643 ITEM 5 | Naval Sea Systems Command (USA) |
NSN 5315-01-424-1888 is a Pin,grooved,headed, manufactured by Naval Sea Systems Command, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-424-1888 has 2 manufacturer part numbers on file: 6665649-01 (Naval Sea Systems Command), 6665643 ITEM 5 (Naval Sea Systems Command).
Key specifications for 6665649-01: Width Across Flats: 1.125 INCHES NOMINAL IN; Undercut Diameter: 0.312 INCHES NOMINAL IN; Under Head Length: 3.688 INCHES NOMINAL IN; First End Style: SQUARE. 13 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.