The Pin,straight,headless, cataloged under National Stock Number 5315-01-138-3345, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-138-3345 |
| Item Name | Pin,straight,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES OUTSIDE DIAMETER |
| Second End Countersink Diameter | 0.410 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | MIL-S-5000 COND C MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 5.0 DEGREES NOMINAL |
| Pin Overall Diameter | 1.2501 INCHES MINIMUM AND 1.2503 INCHES MAXIMUM IN |
| Pin Overall Length | 2.750 INCHES NOMINAL IN |
| Second End Relationship with First End | NOT IDENTICAL |
| Shear Strength | 150000 SINGLE POUNDS PER SQUARE INCH |
| Second End Style | COUNTERSUNK |
| Second End Countersink Angle | 90.0 DEGREES NOMINAL |
| Material | STEEL COMP E4340 OVERALL |
| 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 |
|---|---|
| 209-4788590 ITEM 9 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5315-01-138-3345 is a Pin,straight,headless, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
Key specifications for 5315-01-138-3345: Surface Finish: 32.0 MICROINCHES OUTSIDE DIAMETER; Second End Countersink Diameter: 0.410 INCHES NOMINAL IN; First End Style: CHAMFERED; Hardness Rating: 30.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL. 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.