The Stud,shouldered, cataloged under National Stock Number 5307-00-939-4912, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Aircraft Components and Fasteners Inc. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-939-4912 |
| Primary Part Number | 525717P3 |
| Item Name | Stud,shouldered |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Aircraft Components and Fasteners Inc |
| Status | ACTIVE |
| Thread Length | 0.600 INCHES NOMINAL STUD THREAD IN |
| Thread Length | 0.631 INCHES NOMINAL NUT THREAD IN |
| Style Designator | SHOULDERED |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.250 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.250 INCHES STUD THREAD IN |
| Shoulder Diameter | 0.278 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN |
| Stud End Shank Diameter | 0.221 INCHES MINIMUM AND 0.231 INCHES MAXIMUM IN |
| Stud End Shank Length | 0.530 INCHES NOMINAL IN |
| Thread Class | 3A NUT THREAD A |
| Thread Class | 3A STUD THREAD A |
| Thread Quantity Per Inch | 20 STUD THREAD |
| Thread Quantity Per Inch | 28 NUT THREAD |
| Material | STEEL OR STEEL COMP 8740 |
| Shoulder Length | 0.670 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN |
| 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 |
NSN 5307-00-939-4912 is a Stud,shouldered, manufactured by Aircraft Components and Fasteners Inc, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-939-4912 has 2 manufacturer part numbers on file: 525717P3 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 525717P3 (Aircraft Components and Fasteners Inc).
Key specifications for 525717P3: Thread Length: 0.600 INCHES NOMINAL STUD THREAD IN; Thread Length: 0.631 INCHES NOMINAL NUT THREAD IN; Style Designator: SHOULDERED; Overall Length: 2.740 INCHES MINIMUM AND 2.760 INCHES MAXIMUM IN. 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.