The Guide,valve Stem, cataloged under National Stock Number 4820-01-108-7814, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-108-7814 |
| Item Name | Guide,valve Stem |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Bore Counterbore | NOT INCLUDED |
| Outside Diameter | 0.740 INCHES NOMINAL IN |
| Bore Diameter | 0.5620 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| Bore Countersink | NOT INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 2620-911 | D/9 Drawing number reference only U.S. Government activity |
| SS845-1889538PIECE4 2IN | 5/2 Secondary reference U.S. Government activity |
| 2620-911 PC4 2IN | 3/2 Design control — primary reference U.S. Government activity |
| 2620-911 PIECE4 2IN | 5/9 Secondary reference U.S. Government activity |
| SS845-1889538 | D/9 Drawing number reference only U.S. Government activity |
NSN 4820-01-108-7814 is a Guide,valve Stem, classified under FSC 4820, Valves, Nonpowered. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4820-01-151-8030. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-01-108-7814: Overall Length: 1.065 INCHES NOMINAL IN; Bore Counterbore: NOT INCLUDED; Outside Diameter: 0.740 INCHES NOMINAL IN; Special Features: TWO PIN HOLES 0.188 IN. DIA; W/PACKING,PREFORMED IN. 5 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.