The Pin,grooved,headed, cataloged under National Stock Number 5315-00-780-5256, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5315-00-780-5256 |
| Item Name | Pin,grooved,headed |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Status | ACTIVE |
| Undercut Diameter | 0.188 INCHES NOMINAL IN |
| Hole Arrangement Style | DRILLED THRU HEAD |
| Head Width | 0.340 INCHES NOMINAL IN |
| Under Head Length | 0.875 INCHES NOMINAL IN |
| First End Style | SQUARE |
| First Hole Diameter | 0.310 INCHES NOMINAL IN |
| Style Designator | GROOVE |
| Material Document and Classification | MIL-S-6758 COND D4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.2470 INCHES MINIMUM AND 0.2480 INCHES MAXIMUM IN |
| Head Style | THUMB NO. 6 |
| Height | 0.745 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Undercut Radius | 0.020 INCHES NOMINAL IN |
| Material | STEEL COMP 4130 OVERALL |
| Distance From Centerline of Hole to End of Pin | 1.310 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 |
| Reference | Meaning |
|---|---|
| 305-524032-3 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 305-524032-3 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5315-00-780-5256 is a Pin,grooved,headed, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
Key specifications for 5315-00-780-5256: Undercut Diameter: 0.188 INCHES NOMINAL IN; Hole Arrangement Style: DRILLED THRU HEAD; Head Width: 0.340 INCHES NOMINAL IN; Under Head Length: 0.875 INCHES NOMINAL IN. 15 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.