The Stud,shouldered and Stepped, cataloged under National Stock Number 5307-01-195-5182, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Div Pratt & Whitney. Government technical data includes 20 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 | 5307-01-195-5182 |
| Primary Part Number | 161401-1 |
| Item Name | Stud,shouldered and Stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| Nut End Shank Diameter | 0.300 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN |
| Thread Length | 0.620 INCHES MINIMUM AND 0.650 INCHES MAXIMUM STUD THREAD IN |
| Thread Length | 1.180 INCHES MINIMUM AND 1.250 INCHES MAXIMUM NUT THREAD IN |
| Style Designator | SHOULDERED AND STEPPED |
| Material Document and Classification | AMS 5663 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.437 INCHES STUD THREAD IN |
| Nominal Thread Size | 0.375 INCHES NUT THREAD IN |
| Shoulder Diameter | 0.600 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN |
| Nut End Shank Length | 4.250 INCHES MINIMUM IN |
| Thread Class | 3A NUT THREAD A |
| Thread Class | 3A STUD THREAD A |
| Thread Quantity Per Inch | 28 STUD THREAD |
| Thread Quantity Per Inch | 24 NUT THREAD |
| Material | NICKEL ALLOY 718 |
| Distance Across Flats | 0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Shoulder Length | 0.160 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) NUT THREAD |
| Thread Series Designator | UNJEF 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 5307-01-195-5182 is a Stud,shouldered and Stepped, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-195-5182 has 2 manufacturer part numbers on file: 161401-1 (Preci-Manufacturing, Incorporated), 161401-1 (Rtx Corporation Div Pratt & Whitney).
Key specifications for 161401-1: Nut End Shank Diameter: 0.300 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN; Thread Length: 0.620 INCHES MINIMUM AND 0.650 INCHES MAXIMUM STUD THREAD IN; Thread Length: 1.180 INCHES MINIMUM AND 1.250 INCHES MAXIMUM NUT THREAD IN; Style Designator: SHOULDERED AND STEPPED. 20 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.