The Stud,lock Pin Fastener, cataloged under National Stock Number 5325-01-645-2594, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 3 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 | 5325-01-645-2594 |
| Primary Part Number | 3392AS1620 |
| Item Name | Stud,lock Pin Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Fastener Stud Shank Length | 0.90 INCHES NOMINAL IN |
| Stud Body Diameter | 0.373 INCHES NOMINAL IN |
| Stud Mounting Hole Diameter | 0.125 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 |
|---|---|
| 3392AS1620 | Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division (USA) |
| 3392AS1620 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 5325-01-645-2594 is a Stud,lock Pin Fastener, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-645-2594 has 2 manufacturer part numbers on file: 3392AS1620 (Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division), 3392AS1620 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 3392AS1620: Fastener Stud Shank Length: 0.90 INCHES NOMINAL IN; Stud Body Diameter: 0.373 INCHES NOMINAL IN; Special Features: NHA:3392AS1578,0.187 FROM END TO FIRST HOLE, 0.750; Stud Mounting Hole Diameter: 0.125 INCHES NOMINAL IN. 3 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.