The Pin,spring, cataloged under National Stock Number 5315-00-955-0165, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Spirol International Corporation. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-955-0165 |
| Primary Part Number | 047-312MCP |
| Item Name | Pin,spring |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Spirol International Corporation |
| Status | ACTIVE |
| Expanded Diameter | 0.052 INCHES NOMINAL IN |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | COILED |
| Diameter | 0.045 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 047-312MCP PRIMARY | Spirol International Corporation (USA) |
| Reference | Meaning |
|---|---|
| SMB595940-1 | 5/2 Secondary reference U.S. Government activity |
NSN 5315-00-955-0165 is a Pin,spring, manufactured by Spirol International Corporation, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-955-0165 has 1 manufacturer part number on file: 047-312MCP (Spirol International Corporation).
Key specifications for 047-312MCP: Expanded Diameter: 0.052 INCHES NOMINAL IN; Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL; Style Designator: COILED; Diameter: 0.045 INCHES NOMINAL IN. 6 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.