The Pin,grooved,headed, cataloged under National Stock Number 5315-00-784-6781, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5315-00-784-6781 |
| Item Name | Pin,grooved,headed |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES OVERALL |
| Undercut Width | 0.029 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN |
| Undercut Diameter | 0.173 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | 171,FINISH NO. 5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| Under Head Length | 1.309 INCHES NOMINAL IN |
| First End Style | SQUARE |
| Style Designator | GROOVE |
| Pin Head Diameter | 0.500 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.196 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN |
| Effective Length | 1.252 INCHES NOMINAL IN |
| Head Style | FLAT |
| Second Undercut Width | 0.031 INCHES NOMINAL IN |
| Height | 0.125 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Second Undercut Diameter | 0.188 INCHES NOMINAL IN |
| Material | STEEL COMP 303S 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 |
|---|---|
| B5-51-280 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5315-00-784-6781 is a Pin,grooved,headed, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
Key specifications for 5315-00-784-6781: Surface Finish: 125.0 MICROINCHES OVERALL; Undercut Width: 0.029 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN; Undercut Diameter: 0.173 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN; Surface Treatment Document and Classification: 171,FINISH NO. 5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL. 17 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.