The Stud,plain, cataloged under National Stock Number 5307-00-286-0358, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Cae Usa Inc.. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5307-00-286-0358 |
| Primary Part Number | 81939 |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Cae Usa Inc. |
| Status | ACTIVE |
| Thread Length | 0.562 INCHES NOMINAL STUD THREAD IN |
| Thread Length | 0.562 INCHES NOMINAL NUT THREAD IN |
| 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 |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 2A STUD THREAD A |
| Thread Class | 2A NUT THREAD A |
| Thread Quantity Per Inch | 20 NUT THREAD |
| Thread Quantity Per Inch | 20 STUD THREAD |
| Material | STEEL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) STUD THREAD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) NUT 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 |
|---|---|
| 81939 PRIMARY | Cae Usa Inc. (USA) |
| Reference | Meaning |
|---|---|
| 81939 | 5/9 Secondary reference Raytheon Technical Services Company |
NSN 5307-00-286-0358 is a Stud,plain, manufactured by Cae Usa Inc., classified under FSC 5307, Studs. Status: active.
NSN 5307-00-286-0358 has 1 manufacturer part number on file: 81939 (Cae Usa Inc.).
Key specifications for 81939: Thread Length: 0.562 INCHES NOMINAL STUD THREAD IN; Thread Length: 0.562 INCHES NOMINAL NUT THREAD IN; Overall Length: 6.312 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND STUD THREAD. 14 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.