The Stud,plain, cataloged under National Stock Number 5307-01-678-2285, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Meritor Heavy Vehicle Systems, Llc. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-678-2285 |
| Primary Part Number | 4X-1955 |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Meritor Heavy Vehicle Systems, Llc |
| Status | ACTIVE |
| Thread Tolerance Class | 6.0 EXTERNAL STUD THREAD |
| Thread Pitch in Millimeters | 1.75 STUD THREAD |
| Nominal Thread Size | 12.0 MILLIMETERS STUD THREAD MM |
| Material | STEEL |
| Thread Series Designator | M STUD 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 |
|---|---|
| 4X-1955 PRIMARY | Meritor Heavy Vehicle Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| 4281527 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
| 4X-1955 | 5/9 Secondary reference Meritor, Inc. |
NSN 5307-01-678-2285 is a Stud,plain, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-678-2285 has 1 manufacturer part number on file: 4X-1955 (Meritor Heavy Vehicle Systems, Llc).
Key specifications for 4X-1955: Thread Tolerance Class: 6.0 EXTERNAL STUD THREAD; Thread Pitch in Millimeters: 1.75 STUD THREAD; Overall Length: 82.0 MILLIMETERS NOMINAL MM; Nominal Thread Size: 12.0 MILLIMETERS STUD THREAD MM. 5 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.