The Stud,stepped, cataloged under National Stock Number 5307-00-894-5157, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is General Electric Company. Government technical data includes 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5307-00-894-5157 |
| Primary Part Number | 516D239P16 |
| Item Name | Stud,stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Shank Diameter | 0.196 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Cotter Pin Hole Diameter | 0.063 INCHES NOMINAL FIRST HOLE IN |
| Thread Length | 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM STUD THREAD IN |
| Thread Length | 0.640 INCHES MINIMUM AND 0.680 INCHES MAXIMUM NUT THREAD IN |
| Hardness Rating | 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| Style Designator | STEPPED |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.312 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.312 INCHES STUD THREAD IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A NUT THREAD A |
| Thread Class | 3A STUD THREAD A |
| Thread Quantity Per Inch | 28 STUD THREAD |
| Thread Quantity Per Inch | 24 NUT THREAD |
| Material | STEEL |
| Thread Series Designator | UN NUT THREAD |
| Thread Series Designator | UNS STUD THREAD |
| Distance From Cotter Pin Hole Centerline to Nut End | 0.130 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 |
|---|---|
| 516D239P16 PRIMARY | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 516D239P16 | 5/9 Secondary reference General Electric Company |
NSN 5307-00-894-5157 is a Stud,stepped, manufactured by General Electric Company, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-894-5157 has 1 manufacturer part number on file: 516D239P16 (General Electric Company).
Key specifications for 516D239P16: Shank Diameter: 0.196 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Cotter Pin Hole Diameter: 0.063 INCHES NOMINAL FIRST HOLE IN; Thread Length: 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM STUD THREAD IN. 20 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.