The Pin,spring, cataloged under National Stock Number 5315-00-282-0303, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Essannay Electric Mfg Co. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-282-0303 |
| Primary Part Number | 52-028-125-1875 |
| Item Name | Pin,spring |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Essannay Electric Mfg Co |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | SLOTTED |
| Diameter | 0.125 INCHES NOMINAL IN |
| Material Thickness | 0.028 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | 1 TYPE AND A COMPOSITION |
| Surface Treatment | CADMIUM OVERALL |
| 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 |
|---|---|
| 52-028-125-1875 PRIMARY | Essannay Electric Mfg Co (USA) |
| Reference | Meaning |
|---|---|
| 52-028-125-1875 | 5/9 Secondary reference Harvard Industries Inc |
| MILP10971TYPE1C0MP0SITI0NA | 4/1 Identification reference U.S. Government activity |
NSN 5315-00-282-0303 is a Pin,spring, manufactured by Essannay Electric Mfg Co, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-282-0303 has 1 manufacturer part number on file: 52-028-125-1875 (Essannay Electric Mfg Co).
Key specifications for 52-028-125-1875: Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL; Style Designator: SLOTTED; Diameter: 0.125 INCHES NOMINAL IN. 8 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.