The Stud,plain, cataloged under National Stock Number 5307-00-359-1250, 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 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-359-1250 |
| Primary Part Number | 4X1103 |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Meritor Heavy Vehicle Systems, Llc |
| Status | ACTIVE |
| Thread Length | 0.562 INCHES MINIMUM STUD THREAD IN |
| Thread Length | 0.719 INCHES MINIMUM NUT THREAD IN |
| Hardness Rating | 27.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | STM A193 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.438 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.438 INCHES STUD THREAD IN |
| Thread Class | 3A NUT THREAD A |
| Thread Class | 3A STUD THREAD A |
| Thread Quantity Per Inch | 20 NUT THREAD |
| Thread Quantity Per Inch | 14 STUD THREAD |
| Material | STEEL COMP 4140 OR STEEL COMP 4142 OR STEEL COMP 4145 |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 4X1103 PRIMARY | Meritor Heavy Vehicle Systems, Llc (USA) |
| 4X1103 | Meritor Industrial Products, Llc (USA) |
| Reference | Meaning |
|---|---|
| MIL-DTL-1222,TY I, ST C | 5/1 Secondary reference U.S. Government activity |
| 38348 | 5/9 Secondary reference Colson Corp the |
| 4X1103 | C/1 Advisory reference — outside the item-of-supply concept Meritor Heavy Vehicle Systems Llc Off Highway Products and Supply Div Heavy Vehicles Components Opns |
NSN 5307-00-359-1250 is a Stud,plain, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-359-1250 has 2 manufacturer part numbers on file: 4X1103 (Meritor Heavy Vehicle Systems, Llc), 4X1103 (Meritor Industrial Products, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 2840-01-294-8870, 5330-01-665-9613. Verify interchangeability with system specifications before substitution.
Key specifications for 4X1103: Thread Length: 0.562 INCHES MINIMUM STUD THREAD IN; Thread Length: 0.719 INCHES MINIMUM NUT THREAD IN; Hardness Rating: 27.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM; Material Document and Classification: STM A193 ASSN STD SINGLE MATERIAL RESPONSE. 15 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.