The Stud,shouldered and Stepped, cataloged under National Stock Number 5307-00-898-9143, 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 20 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-898-9143 |
| Primary Part Number | 304254P16 |
| Item Name | Stud,shouldered and Stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Thread Length | 0.552 INCHES MAXIMUM STUD THREAD IN |
| Thread Length | 0.555 INCHES MAXIMUM NUT THREAD IN |
| Style Designator | SHOULDERED AND STEPPED |
| Thread Pitch Diameters | +0.3648 TO 0.3720 INCHES STUD THREAD IN |
| Thread Pitch Diameters | +0.4122 TO 0.4137 INCHES NUT THREAD IN |
| Material Document and Classification | AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.375 INCHES STUD THREAD IN |
| Nominal Thread Size | 0.438 INCHES NUT THREAD IN |
| Shoulder Diameter | 0.552 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Nut End Shank Length | 0.298 INCHES NOMINAL IN |
| Stud End Shank Length | 0.133 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 14 NUT THREAD |
| Thread Quantity Per Inch | 24 STUD THREAD |
| Material | IRON ALLOY 660 |
| Shoulder Length | 0.095 INCHES NOMINAL IN |
| Thread Series Designator | UNS NUT THREAD |
| Thread Series Designator | UNS 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 |
NSN 5307-00-898-9143 is a Stud,shouldered and Stepped, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-898-9143 has 2 manufacturer part numbers on file: 304254P16 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 304254P16 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 304254P16: Thread Length: 0.552 INCHES MAXIMUM STUD THREAD IN; Thread Length: 0.555 INCHES MAXIMUM NUT THREAD IN; Style Designator: SHOULDERED AND STEPPED; Thread Pitch Diameters: +0.3648 TO 0.3720 INCHES 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.