The Lock Spring,turnlock Fastener, cataloged under National Stock Number 5325-01-241-1601, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Southco Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Lock Spring,turnlock Fastener |
| FSC / FSG | 5325 — Fastening Devices (FSG 53) |
| Manufacturers | Southco Inc (CAGE 72794) |
| Parameter | Value |
|---|---|
| NSN | 5325-01-241-1601 |
| Primary Part Number | SC3-2 |
| Item Name | Lock Spring,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Southco Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| SC3-2 PRIMARY | Southco Inc (USA) |
| Reference | Meaning |
|---|---|
| 019291-001 | 7/9 Vendor item drawing reference Sci Systems Inc |
| SC3-2 | 5/9 Secondary reference Dzus Fastener Gmbh |
NSN 5325-01-241-1601 is a Lock Spring,turnlock Fastener, manufactured by Southco Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-241-1601 has 1 manufacturer part number on file: SC3-2 (Southco Inc).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-354-8975. Verify interchangeability with system specifications before substitution.
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.