The Stud,plain, cataloged under National Stock Number 5307-00-403-2855, is classified within Federal Supply Class 5307 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Textron Lycoming Inc Williamsport Plant. Government technical data includes 16 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-403-2855 |
| Primary Part Number | 25-27 |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — No Item Name Available |
| Manufacturer | Textron Lycoming Inc Williamsport Plant |
| Status | ACTIVE |
| Surface Treatment Document and Classification | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Quantity Per Inch | 20 STUD THREAD |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| Nominal Thread Size | 0.250 INCHES NUT THREAD IN |
| Material Document and Classification | AMS 6320 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6300 ASSN STD 2ND MATERIAL RESPONSE OR AMS 6322 ASSN STD 3RD MATERIAL RESPONSE |
| Thread Pitch Diameters | +0.2208 TO 0.2221 INCHES STUD THREAD IN |
| Nominal Thread Size | 0.250 INCHES STUD THREAD IN |
| Thread Quantity Per Inch | 28 NUT THREAD |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Thread Series Designator | UNF NUT THREAD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) STUD THREAD |
| Thread Length | 0.755 INCHES MINIMUM AND 0.805 INCHES MAXIMUM STUD THREAD IN |
| Material | STEEL COMP 8735 OR STEEL OR STEEL COMP 8740 |
| Surface Treatment | CADMIUM OVERALL |
| Thread Length | 0.702 INCHES MINIMUM AND 0.738 INCHES MAXIMUM NUT THREAD IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5307-00-403-2855 is a Stud,plain, manufactured by Textron Lycoming Inc Williamsport Plant, classified under FSC 5307 (No Item Name Available). Status: active.
NSN 5307-00-403-2855 has 2 cross-referenced part numbers: 25-27 (Textron Lycoming Inc Williamsport Plant), 25-27 (Satair A/s).
There are 9 known substitutes for 5307-00-403-2855: 5360-00-141-6825, 5950-00-504-9407, 4920-00-708-3077 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 25-27: Surface Treatment Document and Classification: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Quantity Per Inch: 20 STUD THREAD; Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM; Nominal Thread Size: 0.250 INCHES NUT THREAD IN. 17 total characteristics are documented in the Federal Logistics Information System.