The Stud,plain, cataloged under National Stock Number 5307-00-281-6820, 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 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-281-6820 |
| Primary Part Number | 4X1077 |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Meritor Heavy Vehicle Systems, Llc |
| Status | ACTIVE |
| Thread Length | 0.750 INCHES MAXIMUM STUD THREAD IN |
| Thread Length | 1.125 INCHES MAXIMUM NUT THREAD IN |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.625 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.625 INCHES STUD THREAD IN |
| Thread Class | 2A STUD THREAD A |
| Thread Class | 2A NUT THREAD A |
| Thread Quantity Per Inch | 18 NUT THREAD |
| Thread Quantity Per Inch | 11 STUD THREAD |
| Material | STEEL |
| Thread Series Designator | UNF NUT THREAD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) 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 |
NSN 5307-00-281-6820 is a Stud,plain, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-281-6820 has 2 manufacturer part numbers on file: 4X1077 (Meritor Industrial Products, Llc), 4X1077 (Meritor Heavy Vehicle Systems, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5930-00-856-0289. Verify interchangeability with system specifications before substitution.
Key specifications for 4X1077: Thread Length: 0.750 INCHES MAXIMUM STUD THREAD IN; Thread Length: 1.125 INCHES MAXIMUM NUT THREAD IN; Overall Length: 2.500 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND STUD THREAD. 13 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.