The Stud,recessed, cataloged under National Stock Number 5307-01-210-0873, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. Government technical data includes 23 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-210-0873 |
| Item Name | Stud,recessed |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES NUT THD |
| Surface Finish | 32.0 MICROINCHES STUD THD |
| Surface Finish | 63.0 MICROINCHES UNDERCUTS |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.462 INCHES MINIMUM AND 0.482 INCHES MAXIMUM NUT THREAD IN |
| Thread Length | 0.619 INCHES MINIMUM AND 0.639 INCHES MAXIMUM STUD THREAD IN |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM |
| Style Designator | RECESSED |
| Thread Pitch Diameters | +0.2810 TO 0.2825 INCHES STUD THREAD IN |
| Material Document and Classification | AMS 6322 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6382 ASSN STD 2ND MATERIAL RESPONSE OR AMS 6415 ASSN STD 3RD MATERIAL RESPONSE |
| Diameter of Recessed Portion of Shank | 0.221 INCHES MINIMUM AND 0.231 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.312 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.312 INCHES STUD THREAD IN |
| Length of Recessed Portion of Shank | 0.530 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Class | 3A NUT THREAD A |
| Thread Quantity Per Inch | 24 NUT THREAD |
| Thread Quantity Per Inch | 18 STUD THREAD |
| Material | STEEL COMP 8740 OR STEEL COMP 4140 OR STEEL COMP 4340 |
| 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 |
| Reference | Meaning |
|---|---|
| 713696-3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5307-01-210-0873 is a Stud,recessed, classified under FSC 5307, Studs. Status: active.
Key specifications for 5307-01-210-0873: Surface Finish: 32.0 MICROINCHES NUT THD; Surface Finish: 32.0 MICROINCHES STUD THD; Surface Finish: 63.0 MICROINCHES UNDERCUTS; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 23 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.