The Stud,self-Locking, cataloged under National Stock Number 5307-01-571-2768, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Penn Engineering & Manufacturing Corp. Government technical data includes 6 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 | 5307-01-571-2768 |
| Primary Part Number | FHS-M3-20 |
| Item Name | Stud,self-Locking |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Penn Engineering & Manufacturing Corp |
| Status | ACTIVE |
| Thread Pitch in Millimeters | 0.50 STUD THREAD |
| Style Designator | SELF-LOCKING |
| Nominal Thread Size | 3.0 MILLIMETERS STUD THREAD MM |
| Material | STEEL CORROSION RESISTING |
| Thread Series Designator | M STUD THREAD |
| Head Diameter | 4.6 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| FHS-M3-20 PRIMARY | Penn Engineering & Manufacturing Corp (USA) |
NSN 5307-01-571-2768 is a Stud,self-Locking, manufactured by Penn Engineering & Manufacturing Corp, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-571-2768 has 1 manufacturer part number on file: FHS-M3-20 (Penn Engineering & Manufacturing Corp).
Key specifications for FHS-M3-20: Thread Pitch in Millimeters: 0.50 STUD THREAD; Style Designator: SELF-LOCKING; Overall Length: 20.0 MILLIMETERS NOMINAL MM; Nominal Thread Size: 3.0 MILLIMETERS STUD THREAD MM. 6 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.