The Stud,shouldered, cataloged under National Stock Number 5307-00-520-2107, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Frazier Aviation Inc. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-520-2107 |
| Primary Part Number | 2445272 |
| Item Name | Stud,shouldered |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Frazier Aviation Inc |
| Status | ACTIVE |
| Surface Finish | 250.0 MICROINCHES OVERALL |
| Nut End Shank Diameter | 0.132 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN |
| Thread Length | 0.250 INCHES NOMINAL STUD THREAD IN |
| Thread Length | 0.375 INCHES NOMINAL NUT THREAD IN |
| Style Designator | SHOULDERED |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.132 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.138 INCHES STUD THREAD IN |
| Nut End Shank Length | 0.563 INCHES NOMINAL IN |
| Thread Class | 2A STUD THREAD A |
| Thread Class | 2A NUT THREAD A |
| Thread Quantity Per Inch | 32 STUD THREAD |
| Thread Quantity Per Inch | 32 NUT THREAD |
| Material | STEEL |
| Distance Across Flats | 0.312 INCHES NOMINAL IN |
| Shoulder Length | 0.281 INCHES NOMINAL IN |
| 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 |
NSN 5307-00-520-2107 is a Stud,shouldered, manufactured by Frazier Aviation Inc, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-520-2107 has 2 manufacturer part numbers on file: 2445272 (Frazier Aviation Inc), 2445272 (Air-Com, Inc. Dba Air-Com, Inc.).
Key specifications for 2445272: Surface Finish: 250.0 MICROINCHES OVERALL; Nut End Shank Diameter: 0.132 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN; Thread Length: 0.250 INCHES NOMINAL STUD THREAD IN; Thread Length: 0.375 INCHES NOMINAL NUT THREAD IN. 19 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.