The Stud,shouldered and Stepped, cataloged under National Stock Number 5307-00-905-5115, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5307-00-905-5115 |
| Primary Part Number | 114S2851-1 |
| Item Name | Stud,shouldered and Stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES OVERALL |
| Cotter Pin Hole Diameter | 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE IN |
| Nut End Shank Diameter | 0.310 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Thread Length | 0.593 INCHES NOMINAL NUT THREAD IN |
| Thread Length | 0.960 INCHES MINIMUM AND 0.970 INCHES MAXIMUM STUD THREAD IN |
| Style Designator | SHOULDERED AND STEPPED |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.312 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.438 INCHES STUD THREAD IN |
| Shoulder Diameter | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN |
| Nut End Shank Length | 0.407 INCHES MINIMUM AND 0.427 INCHES MAXIMUM IN |
| Thread Class | 3A NUT THREAD A |
| Thread Class | 3A STUD THREAD A |
| Thread Quantity Per Inch | 24 NUT THREAD |
| Thread Quantity Per Inch | 20 STUD THREAD |
| Material | STEEL |
| Distance Across Flats | 0.615 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN |
| Shoulder Length | 0.095 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN |
| Thread Series Designator | UNF STUD THREAD |
| Thread Series Designator | UNF NUT THREAD |
| Distance From Cotter Pin Hole Centerline to Nut End | 0.250 INCHES NOMINAL FIRST HOLE IN |
| 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 |
|---|---|
| 114S2851-1 | Lee Aerospace Products, Inc. Dba Lee Aerospace Products Inc (USA) |
| 114S2851-1 PRIMARY | The Boeing Company (USA) |
| 114S2851-1 | Wynnson Enterprises, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 114S2851-1 | 5/9 Secondary reference U.S. Government activity |
NSN 5307-00-905-5115 is a Stud,shouldered and Stepped, manufactured by The Boeing Company, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-905-5115 has 3 manufacturer part numbers on file: 114S2851-1 (Lee Aerospace Products, Inc. Dba Lee Aerospace Products Inc), 114S2851-1 (The Boeing Company), 114S2851-1 (Wynnson Enterprises, Inc.).
Key specifications for 114S2851-1: Surface Finish: 125.0 MICROINCHES OVERALL; Cotter Pin Hole Diameter: 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE IN; Nut End Shank Diameter: 0.310 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN; Thread Length: 0.593 INCHES NOMINAL NUT THREAD IN. 23 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.