The Stud,shouldered and Stepped, cataloged under National Stock Number 5307-00-276-2495, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-276-2495 |
| Primary Part Number | 184166-4 |
| Item Name | Stud,shouldered and Stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Nut End Shank Diameter | 0.250 INCHES NOMINAL IN |
| Thread Length | 0.250 INCHES NOMINAL STUD THREAD IN |
| Thread Length | 0.390 INCHES MINIMUM AND 0.410 INCHES MAXIMUM NUT THREAD IN |
| Style Designator | SHOULDERED AND STEPPED |
| Material Document and Classification | MIL-S-853,CL 6,TY A MIL SPEC SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.250 INCHES NUT THREAD IN |
| Shoulder Diameter | 0.435 INCHES NOMINAL IN |
| Nut End Shank Length | 0.433 INCHES NOMINAL IN |
| Thread Class | 3A NUT THREAD A |
| Thread Class | 3A STUD THREAD A |
| Thread Quantity Per Inch | 20 NUT THREAD |
| Material | STEEL COMP 416 |
| Shoulder Length | 0.080 INCHES NOMINAL 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 |
|---|---|
| 184166-4 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5307-00-276-2495 is a Stud,shouldered and Stepped, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-276-2495 has 1 manufacturer part number on file: 184166-4 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 184166-4: Nut End Shank Diameter: 0.250 INCHES NOMINAL IN; Thread Length: 0.250 INCHES NOMINAL STUD THREAD IN; Thread Length: 0.390 INCHES MINIMUM AND 0.410 INCHES MAXIMUM NUT THREAD IN; Style Designator: SHOULDERED AND STEPPED. 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.