PartsTable TECHNICAL DATA SHEET
NSN 4820-01-284-4857Government record, cited

Valve, Gate4820-01-284-4857

NSN 4820-01-284-4857 · NIIN 012844857 · Part number LHD8655 1/2IN
William E Williams Valve Corp · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 79342
Government record, cited
NSN 4820-01-284-4857 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-284-4857. Manufacturer of record part number: LHD8655 1/2IN.
Also searched as  4820-01-284-4857 · 4820012844857 · NIIN 012844857 · 01-284-4857 · FSC 4820 Valves, Nonpowered · CAGE 79342 · LHD8655 1/2IN
Nearby stock numbers  ·
Features
  • Valve,gate — FSC 4820
  • Inlet Relationship with Outlet: IDENTICAL
  • Nominal Pipe Size Accommodated: 0.500 INCHES IN
  • Stem Type: RISING
  • Connection Type: SOCKET, WELD, PIPE
  • Valve Size: 0.500 INCHES IN
  • Bonnet Type: PACKING RETAINING
  • Material: STEEL CORROSION RESISTING SEAT
Identification
  • NSN: 4820-01-284-4857
  • NIIN: 012844857
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: LHD8655 1/2IN
  • Manufacturer: William E Williams Valve Corp
General Description

The Valve,gate, cataloged under National Stock Number 4820-01-284-4857, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is William E Williams Valve Corp. Government technical data includes 11 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-284-4857
Primary Part NumberLHD8655 1/2IN
Item NameValve,gate
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerWilliam E Williams Valve Corp
StatusACTIVE
Inlet Relationship with OutletIDENTICAL
Nominal Pipe Size Accommodated0.500 INCHES IN
Stem TypeRISING
Connection TypeSOCKET, WELD, PIPE
Valve Size0.500 INCHES IN
Bonnet TypePACKING RETAINING
MaterialSTEEL CORROSION RESISTING SEAT
MaterialSTEEL CORROSION RESISTING BODY
MaterialSTEEL CORROSION RESISTING STEM
MaterialSTEEL CORROSION RESISTING DISK
Valve Operation MethodMANUAL
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
LHD8655 1/2IN PRIMARY William E Williams Valve Corp (USA)
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 4820-01-284-4857?

NSN 4820-01-284-4857 is a Valve,gate, manufactured by William E Williams Valve Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-284-4857?

NSN 4820-01-284-4857 has 1 manufacturer part number on file: LHD8655 1/2IN (William E Williams Valve Corp).

What are the specifications of LHD8655 1/2IN?

Key specifications for LHD8655 1/2IN: Inlet Relationship with Outlet: IDENTICAL; Nominal Pipe Size Accommodated: 0.500 INCHES IN; Stem Type: RISING; Connection Type: SOCKET, WELD, PIPE. 11 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-284-4857 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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