The Pin,spring, cataloged under National Stock Number 5315-01-079-2612, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Esna, Llc. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-079-2612 |
| Primary Part Number | 53R5050-140-1375 |
| Item Name | Pin,spring |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Esna, Llc |
| 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 | 0.145 INCHES MINIMUM AND 0.149 INCHES MAXIMUM IN |
| Material Thickness | 0.028 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Shear Strength | 2200 DOUBLE POUNDS PER SQUARE INCH |
| 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 |
|---|---|
| 3005040164 | Ministerie Van Defensie Clastekeningen, Tekeningenarchief (NLD) |
| 53R5050-140-1375 PRIMARY | Esna, Llc (USA) |
| Reference | Meaning |
|---|---|
| 53R5050-140-1375 | 5/9 Secondary reference Harvard Industries Inc |
NSN 5315-01-079-2612 is a Pin,spring, manufactured by Esna, Llc, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-079-2612 has 2 manufacturer part numbers on file: 3005040164 (Ministerie Van Defensie Clastekeningen, Tekeningenarchief), 53R5050-140-1375 (Esna, Llc).
Key specifications for 53R5050-140-1375: 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: 0.145 INCHES MINIMUM AND 0.149 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.