PartsTable TECHNICAL DATA SHEET
NSN 4820-01-177-0099Government record, cited

Disk, Valve4820-01-177-0099

NSN 4820-01-177-0099 · NIIN 011770099 · Part number 1549414
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 10001
Government record, cited
NSN 4820-01-177-0099 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-177-0099. Manufacturer of record part number: 1549414.
Also searched as  4820-01-177-0099 · 4820011770099 · NIIN 011770099 · 01-177-0099 · FSC 4820 Valves, Nonpowered · CAGE 10001 · 1549414
Nearby stock numbers  ·
Features
  • Disk,valve — FSC 4820
  • Outside Diameter: 1.156 INCHES NOMINAL IN
  • Style Designator: PLAIN
  • Inside Diameter: 0.406 INCHES NOMINAL IN
  • Material: PLASTIC
  • 1 manufacturer part number on file
  • Manufacturer of record: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Identification
  • NSN: 4820-01-177-0099
  • NIIN: 011770099
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 1549414
  • Manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-177-0099, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 4 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
NSN4820-01-177-0099
Primary Part Number1549414
Item NameDisk,valve
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Outside Diameter1.156 INCHES NOMINAL IN
Style DesignatorPLAIN
Inside Diameter0.406 INCHES NOMINAL IN
MaterialPLASTIC
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
1549414 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (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 4820-01-177-0099?

NSN 4820-01-177-0099 is a Disk,valve, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-177-0099?

NSN 4820-01-177-0099 has 1 manufacturer part number on file: 1549414 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What are the specifications of 1549414?

Key specifications for 1549414: Overall Height: 0.188 INCHES NOMINAL IN; Outside Diameter: 1.156 INCHES NOMINAL IN; Style Designator: PLAIN; Inside Diameter: 0.406 INCHES NOMINAL IN. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-177-0099 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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