The Pin,grooved,headless, cataloged under National Stock Number 5315-01-661-3391, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-661-3391 |
| Item Name | Pin,grooved,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Status | ACTIVE |
| First End Taper Length | 0.031 INCHES NOMINAL IN |
| First End Location | BOTH ENDS |
| Surface Treatment Document and Classification | AMS2700, METHOD 1,CLASS 4 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| First End Style | CHAMFERED |
| Intermediate Diameter | 0.162 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN |
| Style Designator | CENTER GROOVE |
| Material Document and Classification | SAE AIR4127 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 30.0 DEGREES MINIMUM AND 45.0 DEGREES MAXIMUM |
| Second End Relationship with First End | IDENTICAL |
| Pin Small End Diameter | 0.1542 INCHES MINIMUM AND 0.1562 INCHES MAXIMUM IN |
| Specification/standard Data | 80205-NAS-35678 NATIONAL STD/SPEC |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL CORROSION RESISTING OVERALL |
| First End Outer Radius | 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MS35678-24 | 5/9 Secondary reference U.S. Government activity |
| MS35678-24 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5315-01-661-3391 is a Pin,grooved,headless, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
Key specifications for 5315-01-661-3391: First End Taper Length: 0.031 INCHES NOMINAL IN; First End Location: BOTH ENDS; Surface Treatment Document and Classification: AMS2700, METHOD 1,CLASS 4 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL; First End Style: CHAMFERED. 14 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.