The Stud,plain, cataloged under National Stock Number 5307-01-146-3190, 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. 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-146-3190 |
| Primary Part Number | 4020057 |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Thread Length | 0.600 INCHES MINIMUM AND 0.670 INCHES MAXIMUM NUT THREAD IN |
| Thread Length | 0.738 INCHES MINIMUM AND 0.828 INCHES MAXIMUM STUD THREAD IN |
| Material Document and Classification | AMS 7481 ASSN STD SINGLE MATERIAL RESPONSE |
| 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 |
| 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 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) 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 |
|---|---|
| 4020057 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 5307PL0896671 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 4020057 | 5/9 Secondary reference Aircraft Components and Fasteners Inc |
| 4020057 | 5/9 Secondary reference Pratt & Whitney Measurement Systems Inc. Dba Pratt & Whitney |
| 4020057 | 5/9 Secondary reference U.S. Government activity |
| 4020057 | 5/9 Secondary reference Thompson Aerospace, Llc Dba Thompson Aerospace Llc |
NSN 5307-01-146-3190 is a Stud,plain, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-146-3190 has 1 manufacturer part number on file: 4020057 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
1 possible match (shared part number, not a government interchangeability claim): 2920-01-514-5326. Verify interchangeability with system specifications before substitution.
Key specifications for 4020057: Thread Length: 0.600 INCHES MINIMUM AND 0.670 INCHES MAXIMUM NUT THREAD IN; Thread Length: 0.738 INCHES MINIMUM AND 0.828 INCHES MAXIMUM STUD THREAD IN; Material Document and Classification: AMS 7481 ASSN STD SINGLE MATERIAL RESPONSE; Overall Length: 1.528 INCHES MINIMUM AND 1.548 INCHES MAXIMUM IN. 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.