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NSN 4820-01-259-9731Government record, cited

Valve, Vacuum Regulating4820-01-259-9731

NSN 4820-01-259-9731 · NIIN 012599731 · Part number 31202
Senior Operations Llc Dba Metal Bellows Div Metal Bellows · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 07649
Government record, cited
NSN 4820-01-259-9731 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-259-9731. Manufacturer of record part number: 31202.
Also searched as  4820-01-259-9731 · 4820012599731 · NIIN 012599731 · 01-259-9731 · FSC 4820 Valves, Nonpowered · CAGE 07649 · 31202 · B31202
Nearby stock numbers  ·
Features
  • Valve,vacuum Regulating — FSC 4820
  • 1 manufacturer part number on file
  • Manufacturer of record: Senior Operations Llc Dba Metal Bellows Div Metal Bellows
Identification
  • NSN: 4820-01-259-9731
  • NIIN: 012599731
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 31202
  • Manufacturer: Senior Operations Llc Dba Metal Bellows Div Metal Bellows
General Description

The Valve,vacuum Regulating, cataloged under National Stock Number 4820-01-259-9731, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Senior Operations Llc Dba Metal Bellows Div Metal Bellows. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Catalog Facts
Item NameValve,vacuum Regulating
FSC / FSG4820 — Valves, Nonpowered (FSG 48)
ManufacturersSenior Operations Llc Dba Metal Bellows Div Metal Bellows (CAGE 07649)
Technical Specifications
ParameterValue
NSN4820-01-259-9731
Primary Part Number31202
Item NameValve,vacuum Regulating
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerSenior Operations Llc Dba Metal Bellows Div Metal Bellows
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Cross-Reference Index
Part NumberManufacturer
31202 PRIMARY Senior Operations Llc Dba Metal Bellows Div Metal Bellows (USA)
Reference documents
ReferenceMeaning
B31202 5/9 Secondary reference
Senior Operations Llc Dba Metal Bellows Div Metal Bellows
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 4820-01-259-9731?

NSN 4820-01-259-9731 is a Valve,vacuum Regulating, manufactured by Senior Operations Llc Dba Metal Bellows Div Metal Bellows, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-259-9731?

NSN 4820-01-259-9731 has 1 manufacturer part number on file: 31202 (Senior Operations Llc Dba Metal Bellows Div Metal Bellows).

Is NSN 4820-01-259-9731 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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