The Stud,stepped, cataloged under National Stock Number 5307-00-323-5105, is classified within Federal Supply Class 5307 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rolls-Royce Corporation. Government technical data includes 17 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-323-5105 |
| Primary Part Number | 55806 |
| Item Name | Stud,stepped |
| FSC / FSG | 5307 / 53 — No Item Name Available |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Thread Quantity Per Inch | 24 NUT THREAD |
| Thread Quantity Per Inch | 14 STUD THREAD |
| Thread Series Designator | UNF NUT THREAD |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Shank Diameter | 0.375 INCHES NOMINAL IN |
| Thread Pitch Diameters | +0.3920 TO 0.3938 INCHES STUD THREAD IN |
| Thread Length | 0.750 INCHES MINIMUM STUD THREAD IN |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Thread Length | 0.844 INCHES MINIMUM NUT THREAD IN |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| Nominal Thread Size | 0.375 INCHES NUT THREAD IN |
| Surface Treatment | CADMIUM OVERALL |
| Style Designator | STEPPED |
| Thread Series Designator | UNS STUD THREAD |
| Material | STEEL |
| Thread Class | 3A NUT THREAD A |
| Nominal Thread Size | 0.438 INCHES STUD THREAD IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5307-00-323-5105 is a Stud,stepped, manufactured by Rolls-Royce Corporation, classified under FSC 5307 (No Item Name Available). Status: active.
NSN 5307-00-323-5105 has 3 cross-referenced part numbers: 55806 (General Motors Corp), 55806 (Allison Transmission Inc Dba Allison Transmission, Inc), 55806 (Rolls-Royce Corporation).
There are 4 known substitutes for 5307-00-323-5105: 5305-00-273-5637, 2920-00-293-5226, 5330-01-073-0197 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 55806: Thread Quantity Per Inch: 24 NUT THREAD; Thread Quantity Per Inch: 14 STUD THREAD; Thread Series Designator: UNF NUT THREAD; Thread Direction: RIGHT-HAND STUD THREAD. 18 total characteristics are documented in the Federal Logistics Information System.