The Stud,shouldered and Stepped, cataloged under National Stock Number 5307-01-197-9623, 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 17 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 | 5307-01-197-9623 |
| Primary Part Number | 5188804 |
| Item Name | Stud,shouldered and Stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Thread Length | 0.455 INCHES NOMINAL STUD THREAD IN |
| Thread Length | 0.870 INCHES NOMINAL NUT THREAD IN |
| Style Designator | SHOULDERED AND STEPPED |
| Material Document and Classification | AAMS 5643 ASSN STD ALL MATERIAL RESPONSES |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Shoulder Diameter | 1.250 INCHES NOMINAL IN |
| Stud End Shank Diameter | 0.747 INCHES MINIMUM AND 0.749 INCHES MAXIMUM IN |
| Stud End Shank Length | 0.797 INCHES MINIMUM AND 0.801 INCHES MAXIMUM IN |
| Thread Class | 2A STUD THREAD A |
| Thread Class | 2A NUT THREAD A |
| Thread Quantity Per Inch | 20 NUT THREAD |
| Thread Quantity Per Inch | 20 STUD THREAD |
| Material | STEEL COMP 630 |
| Shoulder Length | 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN |
| Thread Series Designator | UNF STUD THREAD |
| Thread Series Designator | UNF 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 |
|---|---|
| 5188804 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5307-01-197-9623 is a Stud,shouldered and Stepped, manufactured by Naval Sea Systems Command, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-197-9623 has 1 manufacturer part number on file: 5188804 (Naval Sea Systems Command).
Key specifications for 5188804: Thread Length: 0.455 INCHES NOMINAL STUD THREAD IN; Thread Length: 0.870 INCHES NOMINAL NUT THREAD IN; Style Designator: SHOULDERED AND STEPPED; Material Document and Classification: AAMS 5643 ASSN STD ALL MATERIAL RESPONSES. 17 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.