The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-618-3054, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Southco Inc. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-618-3054 |
| Primary Part Number | 2351-W20-30-Z3CT |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Southco Inc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | ASTM B633, TYPE 3, SC 2, CLEAR ASSN STD ALL TREATMENT RESPONSES OVERALL |
| Head Length | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN |
| Turnlock Stud Shank Style | STUD SHANK |
| Stud Head Height | 0.312 INCHES NOMINAL IN |
| Shank Neck Length | 0.410 INCHES NOMINAL IN |
| Turnlock Stud Head Style | FLAT FILLISTER WING |
| Stud Shank Major Diameter | 0.212 INCHES MINIMUM AND 0.217 INCHES MAXIMUM IN |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Material | STEEL OVERALL |
| Grip Length | 0.530 INCHES NOMINAL IN |
| 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 |
|---|---|
| 2351-W20-30-Z3CT PRIMARY | Southco Inc (USA) |
NSN 5325-01-618-3054 is a Stud,turnlock Fastener, manufactured by Southco Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-618-3054 has 1 manufacturer part number on file: 2351-W20-30-Z3CT (Southco Inc).
Key specifications for 2351-W20-30-Z3CT: Surface Treatment Document and Classification: ASTM B633, TYPE 3, SC 2, CLEAR ASSN STD ALL TREATMENT RESPONSES OVERALL; Head Length: 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN; Turnlock Stud Shank Style: STUD SHANK; Stud Head Height: 0.312 INCHES NOMINAL IN. 10 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.