The Stem,valve, cataloged under National Stock Number 4820-00-177-6099, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-00-177-6099 |
| Primary Part Number | E236 PC55 |
| Item Name | Stem,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Clark-Reliance Llc Dba Jerguson Gage & Valve |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | SPECIAL REQUIREMENTS IN ACCORDANCE WITH WESTINGHOUSE ELECTRIC CORP CODE LETTERS A,C,D,F,G AND H |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| E236 PC55 | Clark-Reliance Llc Dba Jerguson Gage & Valve (USA) |
| E265PC55 | Clark-Reliance Llc Dba Jerguson Gage & Valve (USA) |
| Reference | Meaning |
|---|---|
| S7252R2 | 3/1 Design control — primary reference Clark-Reliance Llc Dba Jerguson Gage & Valve |
| E265REVFPC55 | 5/1 Secondary reference Clark-Reliance Llc Dba Jerguson Gage & Valve |
NSN 4820-00-177-6099 is a Stem,valve, manufactured by Clark-Reliance Llc Dba Jerguson Gage & Valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-177-6099 has 2 manufacturer part numbers on file: E236 PC55 (Clark-Reliance Llc Dba Jerguson Gage & Valve), E265PC55 (Clark-Reliance Llc Dba Jerguson Gage & Valve).
1 possible match (shared part number, not a government interchangeability claim): 4820-00-829-7702. Verify interchangeability with system specifications before substitution.
Key specifications for E236 PC55: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: SPECIAL REQUIREMENTS IN ACCORDANCE WITH WESTINGHOUSE ELECTRIC CORP CODE LETTERS A,C,D,F,G AND H. 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.
NSN 4820-00-177-6099 has DEMIL Code F. Demilitarization may be required before disposal or transfer to non-military entities.
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.