The Stud,recessed and Stepped, cataloged under National Stock Number 5307-00-916-6748, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Brinkley Technology Group Llc Dba Hercules Manufacturing. Government technical data includes 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-916-6748 |
| Primary Part Number | 204593A |
| Item Name | Stud,recessed and Stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Brinkley Technology Group Llc Dba Hercules Manufacturing |
| Status | ACTIVE |
| Thread Length | 0.375 INCHES MINIMUM NUT THREAD IN |
| Thread Length | 0.625 INCHES MINIMUM STUD THREAD IN |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM |
| Style Designator | RECESSED AND STEPPED |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE |
| Diameter of Recessed Portion of Shank | 0.375 INCHES NOMINAL 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 | 0.625 INCHES STUD THREAD IN |
| Length of Recessed Portion of Shank | 0.625 INCHES NOMINAL IN |
| Thread Class | 2A STUD THREAD A |
| Thread Class | 2A NUT THREAD A |
| Thread Quantity Per Inch | 24 NUT THREAD |
| Thread Quantity Per Inch | 11 STUD THREAD |
| Material | STEEL COMP 4140 |
| Thread Series Designator | UNF NUT THREAD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) 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 |
|---|---|
| 204593A PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 204593-A | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 204593A | 5/9 Secondary reference Hercules Engine Co Inc |
NSN 5307-00-916-6748 is a Stud,recessed and Stepped, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-916-6748 has 1 manufacturer part number on file: 204593A (Brinkley Technology Group Llc Dba Hercules Manufacturing).
Key specifications for 204593A: Thread Length: 0.375 INCHES MINIMUM NUT THREAD IN; Thread Length: 0.625 INCHES MINIMUM STUD THREAD IN; Hardness Rating: 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM; Style Designator: RECESSED AND STEPPED. 18 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.