The Pin,shoulder,headed, cataloged under National Stock Number 5315-01-280-7052, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-280-7052 |
| Primary Part Number | S4127 PART 109 |
| Item Name | Pin,shoulder,headed |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company |
| Status | ACTIVE |
| First Step Diameter | 0.625 INCHES NOMINAL IN |
| Hole Arrangement Style | DRILLED SLOTTED END |
| Under Head Length | 1.813 INCHES NOMINAL IN |
| First End Slot Width | 0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| First End Style | SLOTTED |
| First Hole Diameter | 0.125 INCHES NOMINAL IN |
| Second Step Length | 1.437 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Pin Head Diameter | 0.875 INCHES NOMINAL IN |
| Head Style | KNURLED NO. 1 |
| Second Step Diameter | 0.308 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN |
| First End Slot Depth | 0.562 INCHES NOMINAL IN |
| Height | 0.312 INCHES NOMINAL IN |
| First Step Length | 0.500 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Distance From Centerline of Hole to End of Pin | 0.188 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 |
| Part Number | Manufacturer |
|---|---|
| S4127 PART 109 PRIMARY | Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company (USA) |
| S4127 PART 63 | Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company (USA) |
NSN 5315-01-280-7052 is a Pin,shoulder,headed, manufactured by Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-280-7052 has 2 manufacturer part numbers on file: S4127 PART 109 (Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company), S4127 PART 63 (Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company).
Key specifications for S4127 PART 109: First Step Diameter: 0.625 INCHES NOMINAL IN; Hole Arrangement Style: DRILLED SLOTTED END; Under Head Length: 1.813 INCHES NOMINAL IN; First End Slot Width: 0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN. 16 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.