The Guide,valve Stem, cataloged under National Stock Number 4810-01-344-1010, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-344-1010 |
| Primary Part Number | 106865 |
| Item Name | Guide,valve Stem |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Triumph Engine Control Systems Llc |
| Status | ACTIVE |
| Shoulder Second Fillet Radius | 0.008 INCHES NOMINAL IN |
| Aa End Chamfer Angle in Deg | 30.0 |
| Aa End Chamfer Length | 0.060 INCHES NOMINAL IN |
| Major Diameter Length | 0.400 INCHES NOMINAL IN |
| Bb End Shank Diameter | 0.500 INCHES NOMINAL IN |
| Style Designator | PLAIN-SHOULDERED |
| Bore Counterbore | INCLUDED |
| Outside Diameter | 1.468 INCHES NOMINAL IN |
| Aa End Radius | 0.010 INCHES NOMINAL IN |
| Bb End Chamfer Length | 0.050 INCHES NOMINAL IN |
| Length From Aa End to Largest Diameter Face | 0.164 INCHES NOMINAL IN |
| Aa End Diameter | 1.285 INCHES NOMINAL IN |
| Bb End Chamfer Angle in Deg | 30.0 |
| Bb End Radius | 0.030 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY |
| Shoulder First Fillet Radius | 0.010 INCHES NOMINAL IN |
| Bore Countersink | INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 106865 PRIMARY | Triumph Engine Control Systems Llc (USA) |
NSN 4810-01-344-1010 is a Guide,valve Stem, manufactured by Triumph Engine Control Systems Llc, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-344-1010 has 1 manufacturer part number on file: 106865 (Triumph Engine Control Systems Llc).
1 possible match (shared part number, not a government interchangeability claim): 5985-01-370-7109. Verify interchangeability with system specifications before substitution.
Key specifications for 106865: Shoulder Second Fillet Radius: 0.008 INCHES NOMINAL IN; Aa End Chamfer Angle in Deg: 30.0; Aa End Chamfer Length: 0.060 INCHES NOMINAL IN; Major Diameter Length: 0.400 INCHES NOMINAL IN. 17 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.