The Stud,stepped, cataloged under National Stock Number 5307-01-454-2565, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. 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 | 5307-01-454-2565 |
| Primary Part Number | P4078949 |
| Item Name | Stud,stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Shank Diameter | 2.000 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.750 INCHES NOMINAL STUD THREAD IN |
| Thread Length | 3.094 INCHES NOMINAL NUT THREAD IN |
| Style Designator | STEPPED |
| Material Document and Classification | AISI 1010 NATIONAL SPEC 1ST MATERIAL RESPONSE OR AISI 1025 NATIONAL SPEC 2ND MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.750 INCHES NUT THREAD IN |
| Nominal Thread Size | 2.3125 INCHES STUD THREAD IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A STUD THREAD A |
| Thread Class | 2A NUT THREAD A |
| Thread Quantity Per Inch | 10 NUT THREAD |
| Thread Quantity Per Inch | 16 STUD THREAD |
| Material | STEEL COMP 1010 OR STEEL COMP 1025 OR STEEL CORROSION RESISTING |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) NUT THREAD |
| Thread Series Designator | UNJS STUD 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 |
|---|---|
| P4078949 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 5307-01-454-2565 is a Stud,stepped, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-454-2565 has 1 manufacturer part number on file: P4078949 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for P4078949: Shank Diameter: 2.000 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.750 INCHES NOMINAL STUD THREAD IN; Thread Length: 3.094 INCHES NOMINAL NUT THREAD IN. 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.