The Stud,shouldered and Stepped, cataloged under National Stock Number 5307-00-520-4148, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 14 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 | 5307-00-520-4148 |
| Primary Part Number | 5204148 |
| Item Name | Stud,shouldered and Stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Thread Length | 0.750 INCHES NOMINAL NUT THREAD IN |
| Thread Length | 0.750 INCHES NOMINAL STUD THREAD IN |
| Material Document and Classification | ASTMA108 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Direction | LEFT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.438 INCHES NUT THREAD IN |
| Shoulder Diameter | 0.5618 INCHES MINIMUM AND 0.5623 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A STUD THREAD A |
| Thread Class | 2A NUT THREAD A |
| Thread Quantity Per Inch | 14 NUT THREAD |
| Material | STEEL COMP 303 |
| Distance Across Flats | 0.498 INCHES MINIMUM AND 0.499 INCHES MAXIMUM IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) NUT 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 |
|---|---|
| 5204148 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 5307-00-520-4148 is a Stud,shouldered and Stepped, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-520-4148 has 1 manufacturer part number on file: 5204148 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 5204148: Thread Length: 0.750 INCHES NOMINAL NUT THREAD IN; Thread Length: 0.750 INCHES NOMINAL STUD THREAD IN; Material Document and Classification: ASTMA108 ASSN STD SINGLE MATERIAL RESPONSE; Overall Length: 5.062 INCHES NOMINAL IN. 14 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.