The Stud,plain, cataloged under National Stock Number 5307-01-331-5219, 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. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Stud,plain |
| FSC / FSG | 5307 — Studs (FSG 53) |
| Manufacturers | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445); Aircraft Components and Fasteners Inc (CAGE 55213); Thompson Aerospace, Llc Dba Thompson Aerospace Llc (CAGE 02991) |
| Parameter | Value |
|---|---|
| NSN | 5307-01-331-5219 |
| Primary Part Number | 4026020 |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 4026020 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 4026020 | Aircraft Components and Fasteners Inc (USA) |
| 4026020 | Thompson Aerospace, Llc Dba Thompson Aerospace Llc (USA) |
| Reference | Meaning |
|---|---|
| 4026060 | 5/2 Secondary reference U.S. Government activity |
NSN 5307-01-331-5219 is a Stud,plain, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-331-5219 has 3 manufacturer part numbers on file: 4026020 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4026020 (Aircraft Components and Fasteners Inc), 4026020 (Thompson Aerospace, Llc Dba Thompson Aerospace Llc).
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.