The Stud,stepped, cataloged under National Stock Number 5307-00-616-6526, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 18 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-616-6526 |
| Primary Part Number | 63760P |
| Item Name | Stud,stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. |
| Status | ACTIVE |
| Shank Diameter | 0.287 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN |
| Thread Length | 0.540 INCHES MINIMUM STUD THREAD IN |
| Thread Length | 0.734 INCHES MINIMUM NUT THREAD IN |
| Hardness Rating | 34.0 ROCKWELL C NOMINAL |
| Style Designator | STEPPED |
| Thread Pitch Diameters | +0.3957 TO 0.3980 INCHES STUD THREAD IN |
| Material Document and Classification | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.375 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.438 INCHES STUD THREAD IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A NUT THREAD A |
| Thread Quantity Per Inch | 24 NUT THREAD |
| Thread Quantity Per Inch | 14 STUD THREAD |
| Material | STEEL COMP 8740 |
| Thread Series Designator | UNF 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 |
| Part Number | Manufacturer |
|---|---|
| 63760P | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 63760P PRIMARY | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN) |
| Reference | Meaning |
|---|---|
| 63760P-062 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| 63760P062 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| 93760P62 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
NSN 5307-00-616-6526 is a Stud,stepped, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 5307, Studs. Status: active.
NSN 5307-00-616-6526 has 2 manufacturer part numbers on file: 63760P (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 63760P (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).
Key specifications for 63760P: Shank Diameter: 0.287 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN; Thread Length: 0.540 INCHES MINIMUM STUD THREAD IN; Thread Length: 0.734 INCHES MINIMUM NUT THREAD IN; Hardness Rating: 34.0 ROCKWELL C NOMINAL. 18 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.