PartsTable TECHNICAL DATA SHEET
NSN 4820-01-440-1999Government record, cited

Valve, Gate4820-01-440-1999

NSN 4820-01-440-1999 · NIIN 014401999 · Part number 1/2-HL-12SW
Bonney Forge Valve · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 4V609
Government record, cited
NSN 4820-01-440-1999 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-440-1999. Manufacturer of record part number: 1/2-HL-12SW.
Also searched as  4820-01-440-1999 · 4820014401999 · NIIN 014401999 · 01-440-1999 · FSC 4820 Valves, Nonpowered · CAGE 4V609 · 1/2-HL-12SW · 1/2IN-HL-12SW
Nearby stock numbers  ·
Features
  • Valve,gate — FSC 4820
  • Nominal Pipe Size Accommodated: 0.500 INCHES IN
  • Connection Type: SOCKET, WELD, PIPE
  • Valve Size: 0.500 INCHES IN
  • Bonnet Type: OUTSIDE SCREW-YOKE
  • Material: STEEL CORROSION RESISTING SEAT
  • Material: STEEL CORROSION RESISTING DISK
  • Valve Operation Method: MANUAL
Identification
  • NSN: 4820-01-440-1999
  • NIIN: 014401999
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 1/2-HL-12SW
  • Manufacturer: Bonney Forge Valve
General Description

The Valve,gate, cataloged under National Stock Number 4820-01-440-1999, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Bonney Forge Valve. Government technical data includes 7 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-440-1999
Primary Part Number1/2-HL-12SW
Item NameValve,gate
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerBonney Forge Valve
StatusACTIVE
Nominal Pipe Size Accommodated0.500 INCHES IN
Connection TypeSOCKET, WELD, PIPE
Valve Size0.500 INCHES IN
Bonnet TypeOUTSIDE SCREW-YOKE
MaterialSTEEL CORROSION RESISTING SEAT
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
1/2IN-HL-12SW Bonney Forge Valve (USA)
1/2-HL-12SW PRIMARY Bonney Forge Valve (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 4820-01-440-1999?

NSN 4820-01-440-1999 is a Valve,gate, manufactured by Bonney Forge Valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-440-1999?

NSN 4820-01-440-1999 has 2 manufacturer part numbers on file: 1/2IN-HL-12SW (Bonney Forge Valve), 1/2-HL-12SW (Bonney Forge Valve).

What are the specifications of 1/2-HL-12SW?

Key specifications for 1/2-HL-12SW: Nominal Pipe Size Accommodated: 0.500 INCHES IN; Connection Type: SOCKET, WELD, PIPE; Valve Size: 0.500 INCHES IN; Bonnet Type: OUTSIDE SCREW-YOKE. 7 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-440-1999 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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