PartsTable TECHNICAL DATA SHEET
NSN 4820-01-662-4786Government record, cited

Ball, Valve, Ported4820-01-662-4786

NSN 4820-01-662-4786 · NIIN 016624786 · Part number NMM000250-206
Rolls-Royce Corporation · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 63005
Government record, cited
NSN 4820-01-662-4786 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-662-4786. Manufacturer of record part number: NMM000250-206.
Also searched as  4820-01-662-4786 · 4820016624786 · NIIN 016624786 · 01-662-4786 · FSC 4820 Valves, Nonpowered · CAGE 63005 · NMM000250-206 · NMM00250-206 · NMM220350 REV E FIND NO.7
Nearby stock numbers  ·
Features
  • Ball,valve,ported — FSC 4820
  • 1 manufacturer part number on file
  • Manufacturer of record: Rolls-Royce Corporation
Identification
  • NSN: 4820-01-662-4786
  • NIIN: 016624786
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: NMM000250-206
  • Manufacturer: Rolls-Royce Corporation
General Description

The Ball,valve,ported, cataloged under National Stock Number 4820-01-662-4786, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Rolls-Royce Corporation. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-662-4786
Primary Part NumberNMM000250-206
Item NameBall,valve,ported
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerRolls-Royce Corporation
StatusACTIVE
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
NMM000250-206 PRIMARY Rolls-Royce Corporation (USA)
Reference documents
ReferenceMeaning
NMM00250-206 3/9 Design control — primary reference
Bird-Johnson Propeller Company, Llc
NMM220350 REV E FIND NO.7 C/1 Advisory reference — outside the item-of-supply concept
Bird-Johnson Propeller Company, Llc
NMM000250-206 5/9 Secondary reference
Bird-Johnson Propeller Company, Llc
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 4820-01-662-4786?

NSN 4820-01-662-4786 is a Ball,valve,ported, manufactured by Rolls-Royce Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-662-4786?

NSN 4820-01-662-4786 has 1 manufacturer part number on file: NMM000250-206 (Rolls-Royce Corporation).

What are the specifications of NMM000250-206?

Key specifications for NMM000250-206: End Item Identification: TURBINE, GAS. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-662-4786 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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