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NSN 4820-01-062-0389Government record, cited

Seat, Valve4820-01-062-0389

NSN 4820-01-062-0389 · NIIN 010620389 · Part number 2N8943
Caterpillar Inc Div Caterpillar Defense · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 11083
Government record, cited
NSN 4820-01-062-0389 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-062-0389. Manufacturer of record part number: 2N8943.
Also searched as  4820-01-062-0389 · 4820010620389 · NIIN 010620389 · 01-062-0389 · FSC 4820 Valves, Nonpowered · CAGE 11083 · 2N8943 · IPD2N8943
Nearby stock numbers  ·
Features
  • Seat,valve — FSC 4820
  • Body Outside Diameter: 2.150 INCHES NOMINAL IN
  • Style Designator: PLAIN
  • Body Inside Diameter: 1.862 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Seat Angle in Deg: 30.000 NOMINAL
  • Seating Surface Shape: ANGULAR
  • 2 manufacturer part numbers on file
Identification
  • NSN: 4820-01-062-0389
  • NIIN: 010620389
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 2N8943
  • Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-062-0389, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
NSN4820-01-062-0389
Primary Part Number2N8943
Item NameSeat,valve
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Body Outside Diameter2.150 INCHES NOMINAL IN
Style DesignatorPLAIN
Body Inside Diameter1.862 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Seat Angle in Deg30.000 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
2N8943 Caterpillar Tractor Co Ltd (GBR)
2N8943 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
Reference documents
ReferenceMeaning
IPD2N8943 5/9 Secondary reference
Industrial Parts Depot, Llc Dba Ipd
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 4820-01-062-0389?

NSN 4820-01-062-0389 is a Seat,valve, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-062-0389?

NSN 4820-01-062-0389 has 2 manufacturer part numbers on file: 2N8943 (Caterpillar Tractor Co Ltd), 2N8943 (Caterpillar Inc Div Caterpillar Defense).

What are the specifications of 2N8943?

Key specifications for 2N8943: Overall Height: 0.293 INCHES NOMINAL IN; Body Outside Diameter: 2.150 INCHES NOMINAL IN; Style Designator: PLAIN; Body Inside Diameter: 1.862 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-062-0389 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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