The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-667-1720, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-667-1720 |
| Primary Part Number | D5-PFSC35-44CP2SEB |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Southco Inc |
| Status | ACTIVE |
| Drive Type | SLOTTED |
| Turnlock Stud Shank Style | STUD SHANK |
| Diameter | 9.5 MILLIMETERS NOMINAL MM |
| Stud Head Height | 7.24 MILLIMETERS NOMINAL MM |
| Shank Neck Length | 2.03 MILLIMETERS NOMINAL MM |
| Turnlock Stud Head Style | FLAT FILLISTER |
| Stud Shank Major Diameter | 5.4 MILLIMETERS NOMINAL MM |
| Material | STEEL STUD |
| Material | STEEL RETAINER |
| Material | STEEL LOCKSPRING |
| 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 |
|---|---|
| D5-PFSC35-44CP2SEB PRIMARY | Southco Inc (USA) |
| D5PFSC3544CP2SEBNA PRIMARY | Southco Inc (USA) |
NSN 5325-01-667-1720 is a Stud,turnlock Fastener, manufactured by Southco Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-667-1720 has 2 manufacturer part numbers on file: D5-PFSC35-44CP2SEB (Southco Inc), D5PFSC3544CP2SEBNA (Southco Inc).
Key specifications for D5-PFSC35-44CP2SEB: Drive Type: SLOTTED; Turnlock Stud Shank Style: STUD SHANK; Diameter: 9.5 MILLIMETERS NOMINAL MM; Stud Head Height: 7.24 MILLIMETERS NOMINAL MM. 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.