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NSN 4820-01-439-5186Government record, cited

Seat, Valve4820-01-439-5186

NSN 4820-01-439-5186 · NIIN 014395186 · Part number CSS71VS FOR CSHB-2-150
Clark-Reliance Llc Dba Jerguson Gage & Valve · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 74965
Government record, cited
NSN 4820-01-439-5186 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-439-5186. Manufacturer of record part number: CSS71VS FOR CSHB-2-150.
Also searched as  4820-01-439-5186 · 4820014395186 · NIIN 014395186 · 01-439-5186 · FSC 4820 Valves, Nonpowered · CAGE 74965 · CSS71VS FOR CSHB-2-150 · CSS71VS FOR CSH
Nearby stock numbers  ·
Features
  • Seat,valve — FSC 4820
  • 1 manufacturer part number on file
  • Manufacturer of record: Clark-Reliance Llc Dba Jerguson Gage & Valve
Identification
  • NSN: 4820-01-439-5186
  • NIIN: 014395186
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: CSS71VS FOR CSHB-2-150
  • Manufacturer: Clark-Reliance Llc Dba Jerguson Gage & Valve
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-439-5186, 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. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-439-5186
Primary Part NumberCSS71VS FOR CSHB-2-150
Item NameSeat,valve
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerClark-Reliance Llc Dba Jerguson Gage & Valve
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
CSS71VS FOR CSHB-2-150 PRIMARY Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
Reference documents
ReferenceMeaning
CSS71VS FOR CSH C/1 Advisory reference — outside the item-of-supply concept
Clark-Reliance Llc Dba Jerguson Gage & Valve
No interchangeability data on file.
Other items in FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file

Frequently Asked Questions

What is NSN 4820-01-439-5186?

NSN 4820-01-439-5186 is a Seat,valve, manufactured by Clark-Reliance Llc Dba Jerguson Gage & Valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-439-5186?

NSN 4820-01-439-5186 has 1 manufacturer part number on file: CSS71VS FOR CSHB-2-150 (Clark-Reliance Llc Dba Jerguson Gage & Valve).

What are the specifications of CSS71VS FOR CSHB-2-150?

Key specifications for CSS71VS FOR CSHB-2-150: Special Features: 150 LB ASSEMBLY LBS; End Item Identification: MARS CLASS AFS. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-439-5186 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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