The Receptacle,turnlock Fastener, cataloged under National Stock Number 5325-01-331-5900, 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 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-331-5900 |
| Primary Part Number | 1218-P4300-Z3Y |
| Item Name | Receptacle,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Southco Inc |
| Status | ACTIVE |
| Receptacle Overall Length | 1.125 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Holes | 0.625 INCHES NOMINAL IN |
| Mounting Style | PLAIN W/MOUNTING HOLE |
| Turnlock Receptacle Style | RECEPTACLE |
| Receptacle Width | 0.500 INCHES NOMINAL IN |
| Turnlock Mounting Hole Diameter | 0.128 INCHES NOMINAL IN |
| Surface Treatment | ZINC OVERALL |
| Receptacle Height | 0.625 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 |
|---|---|
| 1218-P4300-Z3Y PRIMARY | Southco Inc (USA) |
| Reference | Meaning |
|---|---|
| RP4-300 | 5/9 Secondary reference Southco Inc |
NSN 5325-01-331-5900 is a Receptacle,turnlock Fastener, manufactured by Southco Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-331-5900 has 1 manufacturer part number on file: 1218-P4300-Z3Y (Southco Inc).
Key specifications for 1218-P4300-Z3Y: Receptacle Overall Length: 1.125 INCHES NOMINAL IN; Center to Center Distance Between Mounting Holes: 0.625 INCHES NOMINAL IN; Mounting Style: PLAIN W/MOUNTING HOLE; Turnlock Receptacle Style: RECEPTACLE. 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.