The Stud,recessed, cataloged under National Stock Number 5307-01-418-3121, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-418-3121 |
| Item Name | Stud,recessed |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Thread Length | 1.750 INCHES NOMINAL STUD THREAD IN |
| Thread Length | 2.380 INCHES NOMINAL NUT THREAD IN |
| Material Document and Classification | C50AF9-B5F CAGEC 03502 MFR REF SINGLE MATERIAL RESPONSE |
| Diameter of Recessed Portion of Shank | 1.339 INCHES MINIMUM AND 1.349 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 1.500 INCHES NUT THREAD IN |
| Nominal Thread Size | 1.500 INCHES STUD THREAD IN |
| Thread Class | 2A STUD THREAD A |
| Thread Class | 2A NUT THREAD A |
| Thread Quantity Per Inch | 8 NUT THREAD |
| Thread Quantity Per Inch | 8 STUD THREAD |
| Material | STEEL CORROSION RESISTING |
| Thread Series Designator | UN STUD THREAD |
| Thread Series Designator | UN NUT THREAD |
| Furnished Items and Quantity | FLAT UNTHREADED POINT STUD END 1.250 DIA, 0.310 LG |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 165A842BC-4 | 3/9 Design control — primary reference General Electric Co Naval and Drive Turbine Systems Dept |
| 165A842BC-4 | C/1 Advisory reference — outside the item-of-supply concept Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand |
NSN 5307-01-418-3121 is a Stud,recessed, classified under FSC 5307, Studs. Status: active.
Key specifications for 5307-01-418-3121: Thread Length: 1.750 INCHES NOMINAL STUD THREAD IN; Thread Length: 2.380 INCHES NOMINAL NUT THREAD IN; Material Document and Classification: C50AF9-B5F CAGEC 03502 MFR REF SINGLE MATERIAL RESPONSE; Overall Length: 7.750 INCHES NOMINAL IN. 16 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.