The Stem,fluid Valve, cataloged under National Stock Number 4810-01-110-4838, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4810-01-110-4838 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Status | ACTIVE |
| Valve Type for Which Designed | REGULATOR |
| Largest Outside Diameter | 0.498 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-13433A MIL SPEC SINGLE MATERIAL RESPONSE A |
| Valve Size for Which Designed | 2.000 INCHES IN |
| Material | STEEL |
| 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 |
|---|---|
| 11857-1-117 | 3/9 Design control — primary reference Dresser Industries Inc Masoneilan North American Opns Dresser Valve and Controls Div |
| MS3116F22-41P | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| N-1039-2-E PC 7 | 5/9 Secondary reference Dresser Industries Inc Masoneilan North American Opns Dresser Valve and Controls Div |
| N-1039-2-E | D/9 Drawing number reference only Dresser Industries Inc Masoneilan North American Opns Dresser Valve and Controls Div |
NSN 4810-01-110-4838 is a Stem,fluid Valve, classified under FSC 4810, Valves, Powered. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4810-01-110-7767. Verify interchangeability with system specifications before substitution.
Key specifications for 4810-01-110-4838: Valve Type for Which Designed: REGULATOR; Largest Outside Diameter: 0.498 INCHES NOMINAL IN; Material Document and Classification: MIL-S-13433A MIL SPEC SINGLE MATERIAL RESPONSE A; Overall Length: 5.875 INCHES NOMINAL 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.