The Stud,stepped, cataloged under National Stock Number 5307-00-271-6841, is classified within Federal Supply Class 5307 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Motors Corp. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-271-6841 |
| Primary Part Number | ST1225 |
| Item Name | Stud,stepped |
| FSC / FSG | 5307 / 53 — No Item Name Available |
| Manufacturer | General Motors Corp |
| Status | ACTIVE |
| Material Document and Classification | AMS 6320 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Series Designator | UNS STUD THREAD |
| Thread Length | 0.500 INCHES MINIMUM NUT THREAD IN |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Thread Quantity Per Inch | 18 STUD THREAD |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| Shank Diameter | 0.250 INCHES NOMINAL IN |
| Material | STEEL COMP 8735 |
| Thread Series Designator | UNF NUT THREAD |
| Thread Length | 0.500 INCHES MINIMUM STUD THREAD IN |
| Nominal Thread Size | 0.250 INCHES NUT THREAD IN |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Pitch Diameters | +0.2779 TO 0.2794 INCHES STUD THREAD IN |
| Style Designator | STEPPED |
| Surface Treatment | CADMIUM OVERALL |
| Nominal Thread Size | 0.312 INCHES STUD THREAD IN |
| Thread Class | 3A NUT THREAD A |
| Thread Quantity Per Inch | 28 NUT THREAD |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5307-00-271-6841 is a Stud,stepped, manufactured by General Motors Corp, classified under FSC 5307 (No Item Name Available). Status: active.
NSN 5307-00-271-6841 has 3 cross-referenced part numbers: ST1225 (General Motors Corp), ST1225 (General Motors Llc Dba General Motors Llc), ST1225 (Rolls-Royce Corporation).
There are 3 known substitutes for 5307-00-271-6841: 5120-00-189-7915, 4910-01-097-6948, 5120-01-367-0039. Verify interchangeability with system specifications before substitution.
Key specifications for ST1225: Material Document and Classification: AMS 6320 ASSN STD SINGLE MATERIAL RESPONSE; Thread Series Designator: UNS STUD THREAD; Thread Length: 0.500 INCHES MINIMUM NUT THREAD IN; Thread Direction: RIGHT-HAND NUT THREAD. 20 total characteristics are documented in the Federal Logistics Information System.