The Stud,recessed, cataloged under National Stock Number 5307-01-421-1871, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5307-01-421-1871 |
| Item Name | Stud,recessed |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Thread Length | 1.120 INCHES NOMINAL STUD THREAD IN |
| Thread Length | 1.380 INCHES NOMINAL NUT THREAD IN |
| Style Designator | RECESSED |
| Material Document and Classification | 522C074308,CAGE 90099 MFR REF SINGLE MATERIAL RESPONSE |
| Diameter of Recessed Portion of Shank | 0.595 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.750 INCHES STUD THREAD IN |
| Nominal Thread Size | 0.750 INCHES NUT THREAD IN |
| Length of Recessed Portion of Shank | 0.250 INCHES NOMINAL IN |
| Thread Class | 2A STUD THREAD A |
| Thread Class | 2A NUT THREAD A |
| Thread Quantity Per Inch | 10 STUD THREAD |
| Thread Quantity Per Inch | 10 NUT THREAD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED |
| 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 |
|---|---|
| 522C074-208 | 3/2 Design control — primary reference U.S. Government activity |
| 1938E01FN43 | 5/9 Secondary reference U.S. Government activity |
NSN 5307-01-421-1871 is a Stud,recessed, classified under FSC 5307, Studs. Status: active.
Key specifications for 5307-01-421-1871: Thread Length: 1.120 INCHES NOMINAL STUD THREAD IN; Thread Length: 1.380 INCHES NOMINAL NUT THREAD IN; Style Designator: RECESSED; Material Document and Classification: 522C074308,CAGE 90099 MFR REF SINGLE MATERIAL RESPONSE. 15 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.