The Guide,valve Stem, cataloged under National Stock Number 2805-00-423-1837, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Dresser, Llc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-423-1837 |
| Primary Part Number | 58-40 |
| Item Name | Guide,valve Stem |
| FSC / FSG | 2805 / 28 — No Item Name Available |
| Manufacturer | Dresser, Llc |
| Status | ACTIVE |
| Bb End Chamfer Angle in Deg | 45.0 |
| Bb End Chamfer Length | 0.046 INCHES NOMINAL IN |
| Bore Counterbore | NOT INCLUDED |
| Bore Countersink | NOT INCLUDED |
| Aa End Diameter | 0.625 INCHES NOMINAL IN |
| Aa End Chamfer Angle in Deg | 45.0 |
| Bb End Shank Diameter | 0.562 INCHES NOMINAL IN |
| Length From Aa End to Largest Diameter Face | 0.625 INCHES NOMINAL IN |
| Shoulder Second Fillet Radius | 0.031 INCHES NOMINAL IN |
| Aa End Chamfer Length | 0.125 INCHES NOMINAL IN |
| Major Diameter Length | 0.125 INCHES NOMINAL IN |
| Material | STEEL |
| Style Designator | PLAIN-SHOULDERED |
| Bore Diameter | 0.3280 INCHES NOMINAL IN |
| Outside Diameter | 0.687 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 2805-00-423-1837 is a Guide,valve Stem, manufactured by Dresser, Llc, classified under FSC 2805 (No Item Name Available). Status: active.
NSN 2805-00-423-1837 has 3 cross-referenced part numbers: 58-40 (Dresser, Llc), 58-40 (Dresser Industries Inc Waukesha Engine Div), 265694 (Dresser Industries Inc Waukesha Engine Div).
There are 12 known substitutes for 2805-00-423-1837: 5310-00-185-6357, 5960-00-230-5241, 3120-00-353-8716 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 58-40: Bb End Chamfer Angle in Deg: 45.0; Bb End Chamfer Length: 0.046 INCHES NOMINAL IN; Bore Counterbore: NOT INCLUDED; Bore Countersink: NOT INCLUDED. 16 total characteristics are documented in the Federal Logistics Information System.