The Fastener Assembly,turnlock, cataloged under National Stock Number 5325-00-020-2019, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Triumph Thermal Systems - Maryland, Inc.. Government technical data includes 12 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 | 5325-00-020-2019 |
| Primary Part Number | 700577 |
| Item Name | Fastener Assembly,turnlock |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Triumph Thermal Systems - Maryland, Inc. |
| Status | ACTIVE |
| Eyelet Outside Diameter | 0.438 INCHES NOMINAL IN |
| Turnlock Stud Shank Style | STUD SHANK |
| Diameter | 0.500 INCHES NOMINAL IN |
| Distance From Engaging Member to Largest Bearing Surface of Head | 0.438 INCHES NOMINAL IN |
| Turnlock Stud Head Style | FILLISTER |
| Stud Shank Major Diameter | 0.188 INCHES NOMINAL IN |
| Material | RUBBER WASHER |
| Material | STEEL STUD |
| Material | RUBBER GROMMET |
| Material | STEEL PIN |
| Grip Length | 0.719 INCHES NOMINAL IN |
| Stud Assembly Style | STUD ASSEMBLY |
| 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 |
|---|---|
| 700577 PRIMARY | Triumph Thermal Systems - Maryland, Inc. (USA) |
NSN 5325-00-020-2019 is a Fastener Assembly,turnlock, manufactured by Triumph Thermal Systems - Maryland, Inc., classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-020-2019 has 1 manufacturer part number on file: 700577 (Triumph Thermal Systems - Maryland, Inc.).
Key specifications for 700577: Eyelet Outside Diameter: 0.438 INCHES NOMINAL IN; Turnlock Stud Shank Style: STUD SHANK; Diameter: 0.500 INCHES NOMINAL IN; Distance From Engaging Member to Largest Bearing Surface of Head: 0.438 INCHES NOMINAL IN. 12 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.