The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-225-6397, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5315-01-225-6397 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Status | ACTIVE |
| Shank Diameter | 0.375 INCHES NOMINAL IN |
| Undercut Width | 0.094 INCHES NOMINAL IN |
| Undercut Diameter | 0.300 INCHES NOMINAL IN |
| First End Location | SHOULDER END |
| Thread Length | 0.406 INCHES NOMINAL IN |
| First End Style | SQUARE |
| Shank Length | 0.406 INCHES NOMINAL IN |
| Style Designator | UNDERCUT |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Second End Relationship with First End | NOT IDENTICAL |
| Second End Slot Depth | 0.125 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Shoulder Diameter | 0.500 INCHES NOMINAL IN |
| Second End Outer Radius | 0.062 INCHES NOMINAL IN |
| Second End Slot Width | 0.094 INCHES NOMINAL IN |
| Second End Style | SLOTTED |
| Thread Class | 2A A |
| Material | NICKEL ALLOY R-405 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 803-4385059 PIECE 8 | 3/2 Design control — primary reference U.S. Government activity |
| 803-4385059-A-008 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5315-01-225-6397 is a Pin,shoulder,headless, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
Key specifications for 5315-01-225-6397: Shank Diameter: 0.375 INCHES NOMINAL IN; Undercut Width: 0.094 INCHES NOMINAL IN; Undercut Diameter: 0.300 INCHES NOMINAL IN; First End Location: SHOULDER END. 20 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.