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NSN 4820-01-145-6691Government record, cited

Seat, Valve4820-01-145-6691

NSN 4820-01-145-6691 · NIIN 011456691 · Part number 04682-550-000
Valtek Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 50815
Government record, cited
NSN 4820-01-145-6691 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-145-6691. Manufacturer of record part number: 04682-550-000.
Also searched as  4820-01-145-6691 · 4820011456691 · NIIN 011456691 · 01-145-6691 · FSC 4820 Valves, Nonpowered · CAGE 50815 · 04682-550-000
Nearby stock numbers  ·
Features
  • Seat,valve — FSC 4820
  • Flange Seat to Disk End Height: 0.604 INCHES NOMINAL IN
  • Flange Diameter: 4.868 INCHES NOMINAL IN
  • Body Outside Diameter: 4.480 INCHES NOMINAL IN
  • Style Designator: PLAIN FLANGED
  • Body Inside Diameter: 2.625 INCHES NOMINAL IN
  • Under Flange Height: 0.273 INCHES NOMINAL IN
  • Material: NICKEL ALLOY OVERALL
Identification
  • NSN: 4820-01-145-6691
  • NIIN: 011456691
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 04682-550-000
  • Manufacturer: Valtek Inc
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-145-6691, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Valtek Inc. Government technical data includes 9 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
NSN4820-01-145-6691
Primary Part Number04682-550-000
Item NameSeat,valve
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerValtek Inc
StatusACTIVE
Flange Seat to Disk End Height0.604 INCHES NOMINAL IN
Flange Diameter4.868 INCHES NOMINAL IN
Body Outside Diameter4.480 INCHES NOMINAL IN
Style DesignatorPLAIN FLANGED
Body Inside Diameter2.625 INCHES NOMINAL IN
Under Flange Height0.273 INCHES NOMINAL IN
MaterialNICKEL ALLOY OVERALL
Seat Angle in Deg47.000 NOMINAL
Seating Surface ShapeANGULAR
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
04682-550-000 PRIMARY Valtek Inc (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 4820-01-145-6691?

NSN 4820-01-145-6691 is a Seat,valve, manufactured by Valtek Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-145-6691?

NSN 4820-01-145-6691 has 1 manufacturer part number on file: 04682-550-000 (Valtek Inc).

What are the specifications of 04682-550-000?

Key specifications for 04682-550-000: Flange Seat to Disk End Height: 0.604 INCHES NOMINAL IN; Flange Diameter: 4.868 INCHES NOMINAL IN; Body Outside Diameter: 4.480 INCHES NOMINAL IN; Style Designator: PLAIN FLANGED. 9 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-145-6691 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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