The Pin,spring, cataloged under National Stock Number 5315-01-481-9558, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Century Fasteners Corp. Dba Century Fasteners Corp. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-481-9558 |
| Primary Part Number | 5517547-025 |
| Item Name | Pin,spring |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Century Fasteners Corp. Dba Century Fasteners Corp |
| Status | ACTIVE |
| Style Designator | SLOTTED |
| Diameter | 3.300 MILLIMETERS NOMINAL MM |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 5517547-025 PRIMARY | Century Fasteners Corp. Dba Century Fasteners Corp (USA) |
| 5517547-025 PRIMARY | Metric and Multistandard Components Corp (USA) |
| Reference | Meaning |
|---|---|
| 5517547-025 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
| 5517547-025 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5315-01-481-9558 is a Pin,spring, manufactured by Century Fasteners Corp. Dba Century Fasteners Corp, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-481-9558 has 2 manufacturer part numbers on file: 5517547-025 (Century Fasteners Corp. Dba Century Fasteners Corp), 5517547-025 (Metric and Multistandard Components Corp).
Key specifications for 5517547-025: Style Designator: SLOTTED; Diameter: 3.300 MILLIMETERS NOMINAL MM; Overall Length: 8.000 MILLIMETERS NOMINAL MM; End Item Identification: GUN MOUNT; MK 75. 3 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.