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NSN 4820-01-259-1406Government record, cited

Seat, Valve4820-01-259-1406

NSN 4820-01-259-1406 · NIIN 012591406 · Part number N11263M-4
Floworks Usa Lp Dba Flotech Div Jacksonville · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 62650
Government record, cited
NSN 4820-01-259-1406 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-259-1406. Manufacturer of record part number: N11263M-4.
Also searched as  4820-01-259-1406 · 4820012591406 · NIIN 012591406 · 01-259-1406 · FSC 4820 Valves, Nonpowered · CAGE 62650 · N11263M-4
Nearby stock numbers  ·
Features
  • Seat,valve — FSC 4820
  • Body Outside Diameter: 13.500 INCHES NOMINAL IN
  • Style Designator: PLAIN
  • Body Inside Diameter: 12.000 INCHES NOMINAL IN
  • Material: NICKEL ALLOY OVERALL
  • Seating Surface Shape: FLAT
  • 1 manufacturer part number on file
  • Manufacturer of record: Floworks Usa Lp Dba Flotech Div Jacksonville
Identification
  • NSN: 4820-01-259-1406
  • NIIN: 012591406
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: N11263M-4
  • Manufacturer: Floworks Usa Lp Dba Flotech Div Jacksonville
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-259-1406, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Floworks Usa Lp Dba Flotech Div Jacksonville. Government technical data includes 5 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
NSN4820-01-259-1406
Primary Part NumberN11263M-4
Item NameSeat,valve
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerFloworks Usa Lp Dba Flotech Div Jacksonville
StatusACTIVE
Body Outside Diameter13.500 INCHES NOMINAL IN
Style DesignatorPLAIN
Body Inside Diameter12.000 INCHES NOMINAL IN
MaterialNICKEL ALLOY OVERALL
Seating Surface ShapeFLAT
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
N11263M-4 PRIMARY Floworks Usa Lp Dba Flotech Div Jacksonville (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 4820-01-259-1406?

NSN 4820-01-259-1406 is a Seat,valve, manufactured by Floworks Usa Lp Dba Flotech Div Jacksonville, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-259-1406?

NSN 4820-01-259-1406 has 1 manufacturer part number on file: N11263M-4 (Floworks Usa Lp Dba Flotech Div Jacksonville).

What are the specifications of N11263M-4?

Key specifications for N11263M-4: Body Outside Diameter: 13.500 INCHES NOMINAL IN; Style Designator: PLAIN; Body Inside Diameter: 12.000 INCHES NOMINAL IN; Material: NICKEL ALLOY OVERALL. 5 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-259-1406 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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