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NSN 4820-01-563-7659Government record, cited

Parts Kit, Ball Valve4820-01-563-7659

NSN 4820-01-563-7659 · NIIN 015637659 · Part number 55-RK-0400-RTFE
A-T Controls Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 3LYT2
Government record, cited
NSN 4820-01-563-7659 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-563-7659. Manufacturer of record part number: 55-RK-0400-RTFE.
Also searched as  4820-01-563-7659 · 4820015637659 · NIIN 015637659 · 01-563-7659 · FSC 4820 Valves, Nonpowered · CAGE 3LYT2 · 55-RK-0400-RTFE
Nearby stock numbers  ·
Features
  • Parts Kit,ball Valve — FSC 4820
  • End Item Source: 3LYT2
  • End Item Name: 4 INCH BALL VALVE IN
  • Accessory Controlling Agency: 3LYT2
  • Furnished Items: 2 SEATS, 1 SET PACKING, 1 THRUST WASHER
  • Accessory Component Quantity: 4
  • 1 manufacturer part number on file
  • Manufacturer of record: A-T Controls Inc
Identification
  • NSN: 4820-01-563-7659
  • NIIN: 015637659
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 55-RK-0400-RTFE
  • Manufacturer: A-T Controls Inc
General Description

The Parts Kit,ball Valve, cataloged under National Stock Number 4820-01-563-7659, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is A-T Controls Inc. 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
NSN4820-01-563-7659
Primary Part Number55-RK-0400-RTFE
Item NameParts Kit,ball Valve
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerA-T Controls Inc
StatusACTIVE
End Item Source3LYT2
End Item Name4 INCH BALL VALVE IN
Accessory Controlling Agency3LYT2
Furnished Items2 SEATS, 1 SET PACKING, 1 THRUST WASHER
Accessory Component Quantity4
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
55-RK-0400-RTFE PRIMARY A-T Controls 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 4820-01-563-7659?

NSN 4820-01-563-7659 is a Parts Kit,ball Valve, manufactured by A-T Controls Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-563-7659?

NSN 4820-01-563-7659 has 1 manufacturer part number on file: 55-RK-0400-RTFE (A-T Controls Inc).

What are the specifications of 55-RK-0400-RTFE?

Key specifications for 55-RK-0400-RTFE: End Item Source: 3LYT2; End Item Name: 4 INCH BALL VALVE IN; Accessory Controlling Agency: 3LYT2; Special Features: MATERIAL: RTFE; NEXT HIGHER ASSEMBLY: 4820-01-563-7643 4 INCH BALL VALVE IN. 5 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-563-7659 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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