The Stud,self-Locking, cataloged under National Stock Number 5307-01-589-4202, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Hutchinson Aerospace & Industry, Inc. Dba Vlier Div Vlier. Government technical data includes 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-589-4202 |
| Primary Part Number | SC326 |
| Item Name | Stud,self-Locking |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Hutchinson Aerospace & Industry, Inc. Dba Vlier Div Vlier |
| Status | ACTIVE |
| Nominal Thread Size | 0.250 INCHES STUD THREAD IN |
| Thread Quantity Per Inch | 20 STUD THREAD |
| Material | STEEL COMP 4140 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) NUT THREAD |
| 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 |
|---|---|
| SC326 PRIMARY | Hutchinson Aerospace & Industry, Inc. Dba Vlier Div Vlier (USA) |
| Reference | Meaning |
|---|---|
| K94S0002-2 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| K94S0002 | D/9 Drawing number reference only The Boeing Company Div Defense |
| SC326-2 | 5/9 Secondary reference Hutchinson Aerospace & Industry, Inc. Dba Vlier Div Vlier |
NSN 5307-01-589-4202 is a Stud,self-Locking, manufactured by Hutchinson Aerospace & Industry, Inc. Dba Vlier Div Vlier, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-589-4202 has 1 manufacturer part number on file: SC326 (Hutchinson Aerospace & Industry, Inc. Dba Vlier Div Vlier).
Key specifications for SC326: Overall Length: 0.500 INCHES NOMINAL IN; Nominal Thread Size: 0.250 INCHES STUD THREAD IN; End Item Identification: F-15 AIRCRAFT; Thread Quantity Per Inch: 20 STUD THREAD. 4 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.