The Stud,stepped, cataloged under National Stock Number 5307-01-488-8402, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-488-8402 |
| Primary Part Number | 566-6985433-17 |
| Item Name | Stud,stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Shank Diameter | 0.140 INCHES NOMINAL IN |
| Thread Tolerance Class | 4G EXTERNAL NUT THREAD G |
| Thread Pitch in Millimeters | 0.80 NUT THREAD |
| Thread Length | 0.220 INCHES NOMINAL NUT THREAD IN |
| Thread Length | 1.130 INCHES NOMINAL STUD THREAD IN |
| Style Designator | STEPPED |
| Material Document and Classification | ASTM-B150, ALY C63200 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 5.0 MILLIMETERS NUT THREAD MM |
| Nominal Thread Size | 0.375 INCHES STUD THREAD IN |
| Thread Class | 2A STUD THREAD A |
| Thread Quantity Per Inch | 16 STUD THREAD |
| Material | COPPER ALLOY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) STUD THREAD |
| Thread Series Designator | M 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 |
|---|---|
| 566-6985433-17 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| H623-0506-17 | 5/2 Secondary reference U.S. Government activity |
NSN 5307-01-488-8402 is a Stud,stepped, manufactured by Naval Sea Systems Command, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-488-8402 has 1 manufacturer part number on file: 566-6985433-17 (Naval Sea Systems Command).
Key specifications for 566-6985433-17: Shank Diameter: 0.140 INCHES NOMINAL IN; Thread Tolerance Class: 4G EXTERNAL NUT THREAD G; Thread Pitch in Millimeters: 0.80 NUT THREAD; Thread Length: 0.220 INCHES NOMINAL NUT THREAD IN. 16 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.