PartsTable TECHNICAL DATA SHEET
NSN 4820-01-101-5939Government record, cited

Valve, Ball4820-01-101-5939

NSN 4820-01-101-5939 · NIIN 011015939 · Part number 845-4558774 ASSEMBLY A
Naval Sea Systems Command · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 53711
Government record, cited
NSN 4820-01-101-5939 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-101-5939. Manufacturer of record part number: 845-4558774 ASSEMBLY A.
Also searched as  4820-01-101-5939 · 4820011015939 · NIIN 011015939 · 01-101-5939 · FSC 4820 Valves, Nonpowered · CAGE 53711 · 845-4558774 ASSEMBLY A · 2642-820-07 ASSEMBLY A
Nearby stock numbers  ·
Features
  • Valve,ball — FSC 4820
  • FSC Application Data: 2.50IPS 700PSI BTWLD COP NI
  • 1 manufacturer part number on file
  • Manufacturer of record: Naval Sea Systems Command
Identification
  • NSN: 4820-01-101-5939
  • NIIN: 011015939
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 845-4558774 ASSEMBLY A
  • Manufacturer: Naval Sea Systems Command
General Description

The Valve,ball, cataloged under National Stock Number 4820-01-101-5939, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-101-5939
Primary Part Number845-4558774 ASSEMBLY A
Item NameValve,ball
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerNaval Sea Systems Command
StatusACTIVE
FSC Application Data2.50IPS 700PSI BTWLD COP NI
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeS
Cross-Reference Index
Part NumberManufacturer
845-4558774 ASSEMBLY A PRIMARY Naval Sea Systems Command (USA)
Reference documents
ReferenceMeaning
2642-820-07 ASSEMBLY A 5/2 Secondary reference
U.S. Government activity
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 4820-01-101-5939?

NSN 4820-01-101-5939 is a Valve,ball, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-101-5939?

NSN 4820-01-101-5939 has 1 manufacturer part number on file: 845-4558774 ASSEMBLY A (Naval Sea Systems Command).

What are the specifications of 845-4558774 ASSEMBLY A?

Key specifications for 845-4558774 ASSEMBLY A: FSC Application Data: 2.50IPS 700PSI BTWLD COP NI. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-101-5939 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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