The Stud,stepped, cataloged under National Stock Number 5307-00-271-6842, 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 2 commercial cross-references from 2 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 | 5307-00-271-6842 |
| Primary Part Number | ST1224 |
| Item Name | Stud,stepped |
| FSC / FSG | 5307 / 53 — No Item Name Available |
| Manufacturer | General Motors Corp |
| Status | ACTIVE |
| Style Designator | STEPPED |
| Thread Quantity Per Inch | 28 NUT THREAD |
| Thread Series Designator | UNS STUD THREAD |
| Thread Series Designator | UNF NUT THREAD |
| Shank Diameter | 0.250 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 18 STUD THREAD |
| Thread Class | 3A NUT THREAD A |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Material | STEEL COMP 8735 |
| Surface Treatment | CADMIUM OVERALL |
| Nominal Thread Size | 0.250 INCHES NUT THREAD IN |
| Thread Length | 0.500 INCHES NOMINAL STUD THREAD IN |
| Thread Pitch Diameters | +0.2779 TO 0.2794 INCHES STUD THREAD IN |
| Material Document and Classification | AMS 6320 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Thread Length | 0.500 INCHES NOMINAL NUT THREAD IN |
| Nominal Thread Size | 0.312 INCHES STUD THREAD IN |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5307-00-271-6842 is a Stud,stepped, manufactured by General Motors Corp, classified under FSC 5307 (No Item Name Available). Status: active.
NSN 5307-00-271-6842 has 2 cross-referenced part numbers: ST1224 (General Motors Corp), ST1224 (General Motors Llc Dba General Motors Llc).
There are 3 known substitutes for 5307-00-271-6842: 5120-00-189-7985, 5961-00-350-8347, 5307-01-632-5498. Verify interchangeability with system specifications before substitution.
Key specifications for ST1224: Style Designator: STEPPED; Thread Quantity Per Inch: 28 NUT THREAD; Overall Length: 1.250 INCHES NOMINAL IN; Thread Series Designator: UNS STUD THREAD. 19 total characteristics are documented in the Federal Logistics Information System.