The Pin,grooved,headless, cataloged under National Stock Number 5315-01-398-1328, 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 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-398-1328 |
| Primary Part Number | 5511814 |
| Item Name | Pin,grooved,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Undercut Width | 0.078 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN |
| Undercut Diameter | 0.250 INCHES NOMINAL IN |
| First End Location | BOTH ENDS |
| First End Style | SQUARE |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | GROOVE |
| Diameter | 0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN |
| Second End Relationship with First End | IDENTICAL |
| Effective Length | 1.899 INCHES NOMINAL IN |
| Surface Treatment | PHOSPHATE MANGANESE OVERALL |
| Material | STEEL COMP 4140 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 |
|---|---|
| 5511814 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5315-01-398-1328 is a Pin,grooved,headless, manufactured by Naval Sea Systems Command, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-398-1328 has 1 manufacturer part number on file: 5511814 (Naval Sea Systems Command).
Key specifications for 5511814: Undercut Width: 0.078 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN; Undercut Diameter: 0.250 INCHES NOMINAL IN; First End Location: BOTH ENDS; First End Style: SQUARE. 11 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.