The Guide,valve Stem, cataloged under National Stock Number 4820-01-323-6042, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-323-6042 |
| Item Name | Guide,valve Stem |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Shoulder Diameter | 3.434 INCHES MINIMUM AND 3.435 INCHES MAXIMUM IN |
| Aa End Diameter | 3.125 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 9431-02-5800-496 PIECE 6 | 3/2 Design control — primary reference U.S. Government activity |
| 9431-02-5800-496 | 5/9 Secondary reference U.S. Government activity |
| 9431-02-5800-496 | D/9 Drawing number reference only U.S. Government activity |
| 9431-02-5800-496 PIECE 6 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-323-6042 is a Guide,valve Stem, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-323-6042: Shoulder Diameter: 3.434 INCHES MINIMUM AND 3.435 INCHES MAXIMUM IN; Aa End Diameter: 3.125 INCHES NOMINAL IN; Material: COPPER ALLOY. 3 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.