The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-730-9067, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-730-9067 |
| Primary Part Number | GS520E8J55 |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Drive Type | SLOTTED |
| Turnlock Stud Shank Style | STUD SHANK |
| Diameter | 0.438 INCHES NOMINAL IN |
| Shank Neck Length | 0.275 INCHES NOMINAL IN |
| Securing Device Type | GROMMET |
| Turnlock Stud Head Style | FILLISTER |
| Stud Shank Major Diameter | 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Material | UNABLE TO DECODE |
| Grip Length | 0.550 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 |
|---|---|
| GS520E8J55 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| D4-APRJ4-55Z | 5/2 Secondary reference U.S. Government activity |
| GS520E | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
NSN 5325-01-730-9067 is a Stud,turnlock Fastener, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-730-9067 has 1 manufacturer part number on file: GS520E8J55 (Northrop Grumman Systems Corporation).
Key specifications for GS520E8J55: Drive Type: SLOTTED; Turnlock Stud Shank Style: STUD SHANK; Diameter: 0.438 INCHES NOMINAL IN; Shank Neck Length: 0.275 INCHES NOMINAL IN. 9 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.