PartsTable TECHNICAL DATA SHEET
NSN 4820-01-331-8878Government record, cited

Disk, Valve4820-01-331-8878

NSN 4820-01-331-8878 · NIIN 013318878 · Part number 151F-1 -4.00 IPS -ITEM 3
William E Williams Valve Corp · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 79342
Government record, cited
NSN 4820-01-331-8878 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-331-8878. Manufacturer of record part number: 151F-1 -4.00 IPS -ITEM 3.
Also searched as  4820-01-331-8878 · 4820013318878 · NIIN 013318878 · 01-331-8878 · FSC 4820 Valves, Nonpowered · CAGE 79342 · 151F-1 -4.00 IPS -ITEM 3
Nearby stock numbers  ·
Features
  • Disk,valve — FSC 4820
  • Pressure Rating: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
  • Temp Rating: 500.0 FAHRENHEIT NOMINAL DEGF
  • Material: STEEL CORROSION RESISTING
  • 1 manufacturer part number on file
  • Manufacturer of record: William E Williams Valve Corp
Identification
  • NSN: 4820-01-331-8878
  • NIIN: 013318878
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 151F-1 -4.00 IPS -ITEM 3
  • Manufacturer: William E Williams Valve Corp
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-331-8878, 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 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
NSN4820-01-331-8878
Primary Part Number151F-1 -4.00 IPS -ITEM 3
Item NameDisk,valve
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerWilliam E Williams Valve Corp
StatusACTIVE
Pressure Rating150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
Temp Rating500.0 FAHRENHEIT NOMINAL DEGF
MaterialSTEEL CORROSION RESISTING
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
151F-1 -4.00 IPS -ITEM 3 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 4820-01-331-8878?

NSN 4820-01-331-8878 is a Disk,valve, manufactured by William E Williams Valve Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-331-8878?

NSN 4820-01-331-8878 has 1 manufacturer part number on file: 151F-1 -4.00 IPS -ITEM 3 (William E Williams Valve Corp).

What are the specifications of 151F-1 -4.00 IPS -ITEM 3?

Key specifications for 151F-1 -4.00 IPS -ITEM 3: Pressure Rating: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Temp Rating: 500.0 FAHRENHEIT NOMINAL DEGF; Material: STEEL CORROSION RESISTING. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-331-8878 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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