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NSN 4820-01-377-6817Government record, cited

Disk, Valve4820-01-377-6817

NSN 4820-01-377-6817 · NIIN 013776817 · Part number 2574W018
Allied Defense Industries, Llc Dba Ams Distribution · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 0GD25
Government record, cited
NSN 4820-01-377-6817 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-377-6817. Manufacturer of record part number: 2574W018.
Also searched as  4820-01-377-6817 · 4820013776817 · NIIN 013776817 · 01-377-6817 · FSC 4820 Valves, Nonpowered · CAGE 0GD25 · 2574W018
Nearby stock numbers  ·
Features
  • Disk,valve — FSC 4820
  • Flange Seat to Disk End Height: 0.490 INCHES NOMINAL IN
  • Tip Diameter: 0.095 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY
  • 1 manufacturer part number on file
  • Manufacturer of record: Allied Defense Industries, Llc Dba Ams Distribution
Identification
  • NSN: 4820-01-377-6817
  • NIIN: 013776817
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 2574W018
  • Manufacturer: Allied Defense Industries, Llc Dba Ams Distribution
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-377-6817, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Allied Defense Industries, Llc Dba Ams Distribution. Government technical data includes 3 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
NSN4820-01-377-6817
Primary Part Number2574W018
Item NameDisk,valve
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerAllied Defense Industries, Llc Dba Ams Distribution
StatusACTIVE
Flange Seat to Disk End Height0.490 INCHES NOMINAL IN
Tip Diameter0.095 INCHES NOMINAL IN
MaterialALUMINUM ALLOY
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
2574W018 PRIMARY Allied Defense Industries, Llc Dba Ams Distribution (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 4820-01-377-6817?

NSN 4820-01-377-6817 is a Disk,valve, manufactured by Allied Defense Industries, Llc Dba Ams Distribution, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-377-6817?

NSN 4820-01-377-6817 has 1 manufacturer part number on file: 2574W018 (Allied Defense Industries, Llc Dba Ams Distribution).

What are the specifications of 2574W018?

Key specifications for 2574W018: Flange Seat to Disk End Height: 0.490 INCHES NOMINAL IN; Overall Height: 0.930 INCHES NOMINAL IN; Tip Diameter: 0.095 INCHES NOMINAL IN; Material: ALUMINUM ALLOY. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-377-6817 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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