The Stem,fluid Valve, cataloged under National Stock Number 4820-01-252-0771, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Clark-Reliance Llc Dba Jerguson Gage & Valve. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-252-0771 |
| Primary Part Number | E-243 PC3 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Clark-Reliance Llc Dba Jerguson Gage & Valve |
| Status | ACTIVE |
| Stem Actuating End Type | THREADED EXTERNALLY |
| 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 |
| Part Number | Manufacturer |
|---|---|
| E-243 PC3 PRIMARY | Clark-Reliance Llc Dba Jerguson Gage & Valve (USA) |
| Reference | Meaning |
|---|---|
| E-243 | D/9 Drawing number reference only Clark-Reliance Llc Dba Jerguson Gage & Valve |
NSN 4820-01-252-0771 is a Stem,fluid Valve, manufactured by Clark-Reliance Llc Dba Jerguson Gage & Valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-252-0771 has 1 manufacturer part number on file: E-243 PC3 (Clark-Reliance Llc Dba Jerguson Gage & Valve).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-252-6162. Verify interchangeability with system specifications before substitution.
Key specifications for E-243 PC3: Stem Actuating End Type: THREADED EXTERNALLY; Overall Length: 5.750 INCHES NOMINAL IN; Material: COPPER ALLOY. 2 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.