The Pin,spring, cataloged under National Stock Number 5315-01-373-0879, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Metric Bolt & Nut Co, Inc. of South Carolina Dba Metric Bolt & Nut Co. Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Pin,spring |
| FSC / FSG | 5315 — Nails, Machine Keys, and Pins (FSG 53) |
| Manufacturers | Metric Bolt & Nut Co, Inc. of South Carolina Dba Metric Bolt & Nut Co. Inc. (CAGE 6K580); Isotta Fraschini Motori Spa (CAGE A0106) |
| Parameter | Value |
|---|---|
| NSN | 5315-01-373-0879 |
| Primary Part Number | 742201301U01 |
| Item Name | Pin,spring |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Metric Bolt & Nut Co, Inc. of South Carolina Dba Metric Bolt & Nut Co. Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 742201301U01 | Metric Bolt & Nut Co, Inc. of South Carolina Dba Metric Bolt & Nut Co. Inc. (USA) |
| 742201301U01 | Isotta Fraschini Motori Spa (ITA) |
| Reference | Meaning |
|---|---|
| 742201301U01 | C/1 Advisory reference — outside the item-of-supply concept Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am |
| 742201301U01 | 3/9 Design control — primary reference Grandi Motori Fincantieri /fggm/ Div |
NSN 5315-01-373-0879 is a Pin,spring, manufactured by Metric Bolt & Nut Co, Inc. of South Carolina Dba Metric Bolt & Nut Co. Inc., classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-373-0879 has 2 manufacturer part numbers on file: 742201301U01 (Metric Bolt & Nut Co, Inc. of South Carolina Dba Metric Bolt & Nut Co. Inc.), 742201301U01 (Isotta Fraschini Motori Spa).
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.