The Stud,turnlock Fastener, cataloged under National Stock Number 5325-00-579-6797, 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 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-579-6797 |
| Primary Part Number | GS520AA7 |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Drive Type | SLOTTED |
| Material Accommodated Thickness | 0.176 INCHES MINIMUM AND 0.184 INCHES MAXIMUM IN |
| Turnlock Stud Shank Style | STUD SHANK |
| Diameter | 0.294 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN |
| Turnlock Stud Head Style | FILLISTER |
| Stud Shank Major Diameter | 0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Grip Length | 0.162 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 |
|---|---|
| 5LV3741-003-13 | Hensoldt Sensors Gmbh Div Seps (DEU) |
| 5L3741-003-13 | Hensoldt Sensors Gmbh Div Seps (DEU) |
| 5S5-7 | Fairchild Fasteners Europe - Camloc Gmbh (DEU) |
| 5S5-7 | Howmet Global Fastening Systems Inc Div Camloc Products (USA) |
| C123Z9C149 | Siemens Schweiz Ag Dba Siemens Switzerland Ltd. (CHE) |
| GS520AA7 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 5325-00-579-6797 is a Stud,turnlock Fastener, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-579-6797 has 6 manufacturer part numbers on file: 5LV3741-003-13 (Hensoldt Sensors Gmbh Div Seps), 5L3741-003-13 (Hensoldt Sensors Gmbh Div Seps), 5S5-7 (Fairchild Fasteners Europe - Camloc Gmbh), 5S5-7 (Howmet Global Fastening Systems Inc Div Camloc Products), C123Z9C149 (Siemens Schweiz Ag Dba Siemens Switzerland Ltd.) and 1 more.
Key specifications for GS520AA7: Drive Type: SLOTTED; Material Accommodated Thickness: 0.176 INCHES MINIMUM AND 0.184 INCHES MAXIMUM IN; Turnlock Stud Shank Style: STUD SHANK; Diameter: 0.294 INCHES MINIMUM AND 0.306 INCHES MAXIMUM 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.