The Pin,spring, cataloged under National Stock Number 5315-00-271-7221, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-271-7221 |
| Item Name | Pin,spring |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Status | ACTIVE |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | SLOTTED |
| Material Document and Classification | AMS 5120 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5121 ASSN STD 2ND MATERIAL RESPONSE OR 66,COMP 1070 THRU 1095 FED STD 2ND MATERIAL RESPONSE OVERALL |
| Diameter | 0.194 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN |
| Material Thickness | 0.040 INCHES NOMINAL IN |
| Specification/standard Data | 80205-NAS561 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Shear Strength | 4400 DOUBLE POUNDS PER SQUARE INCH |
| Material | STEEL COMP 1074 OR 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 |
| Reference | Meaning |
|---|---|
| NAS561-6-28 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5315-00-271-7221 is a Pin,spring, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
Key specifications for 5315-00-271-7221: Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL; Style Designator: SLOTTED; Material Document and Classification: AMS 5120 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5121 ASSN STD 2ND MATERIAL RESPONSE OR 66,COMP 1070 THRU 1095 FED STD 2ND MATERIAL RESPONSE OVERALL; Diameter: 0.194 INCHES MINIMUM AND 0.199 INCHES MAXIMUM 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.