The Stud,self-Locking, cataloged under National Stock Number 5307-01-689-9798, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Planetary Emissions Management Inc. Div Bruno D.v. Marino. Government technical data includes 11 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 | 5307-01-689-9798 |
| Primary Part Number | FHS-M8-18 |
| Item Name | Stud,self-Locking |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Planetary Emissions Management Inc. Div Bruno D.v. Marino |
| Status | ACTIVE |
| Thread Tolerance Class | ASM B1.13 6G EXTERNAL STUD THREAD G |
| Thread Pitch in Millimeters | 1.25 STUD THREAD |
| Thread Length | 14.3 MILLIMETERS NOMINAL STUD THREAD MM |
| Style Designator | SELF-LOCKING |
| Nominal Thread Size | 8.0 MILLIMETERS STUD THREAD MM |
| Head Length | 3.70 MILLIMETERS NOMINAL MM |
| Locking Feature | SELF-CLINCHING HEAD |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL CORROSION RESISTING |
| Thread Series Designator | M STUD THREAD |
| Head Diameter | 9.6 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-M8-18 PRIMARY | Planetary Emissions Management Inc. Div Bruno D.v. Marino (USA) |
NSN 5307-01-689-9798 is a Stud,self-Locking, manufactured by Planetary Emissions Management Inc. Div Bruno D.v. Marino, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-689-9798 has 1 manufacturer part number on file: FHS-M8-18 (Planetary Emissions Management Inc. Div Bruno D.v. Marino).
Key specifications for FHS-M8-18: Thread Tolerance Class: ASM B1.13 6G EXTERNAL STUD THREAD G; Thread Pitch in Millimeters: 1.25 STUD THREAD; Thread Length: 14.3 MILLIMETERS NOMINAL STUD THREAD MM; Style Designator: SELF-LOCKING. 11 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.