PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20251-3Valve Assembly,hydraulic,aircraf

Defense & Development Enterprises Llc · NSN 1650-00-670-6585 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-00-670-6585 — this item is cataloged by the U.S. Government under National Stock Number 1650-00-670-6585. Primary manufacturer part number: 20251-3.
Features
  • Valve Assembly,hydraulic,aircraf — FSC 1650
  • General Characteristics Item Description: W-ACTUATOR,BELLOWS,AND VENTURI
  • 3 verified cross-references
  • Primary manufacturer: Defense & Development Enterprises Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve Assembly,hydraulic,aircraf, cataloged under National Stock Number 1650-00-670-6585, is classified within Federal Supply Class 1650 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Defense & Development Enterprises Llc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1650-00-670-6585
Primary Part Number20251-3
Item NameValve Assembly,hydraulic,aircraf
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerDefense & Development Enterprises Llc
StatusACTIVE
General Characteristics Item DescriptionW-ACTUATOR,BELLOWS,AND VENTURI
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2010-00-980-47262025-13 INTERCHANGEABLE
Shaft,propulsion,ship
Machine Works at Essex Inc
6610-01-052-6048202513 INTERCHANGEABLE
Aneroid Subassembly
Aerosonic Llc
6515-01-229-5749 INTERCHANGEABLE
Bag,tube Feeding
3030-01-466-947612469149-1 INTERCHANGEABLE
Belt,v
Am General Llc
4730-01-599-2407300F INTERCHANGEABLE
Coupling Half,quick Disconnect
Banjo Corp
Cross-Reference Index
Part NumberManufacturer
20251-3 Defense & Development Enterprises Llc (USA)
20251-3 Triumph Thermal Systems - Maryland, Inc. (USA)
20251-3 Hiller Aircraft Corporation (USA)
Related Parts
2010-00-980-4726INTERCHANGEABLE
SHAFT,PROPULSION,SHIP
2025-13
6610-01-052-6048INTERCHANGEABLE
ANEROID SUBASSEMBLY
202513
6515-01-229-5749INTERCHANGEABLE
BAG,TUBE FEEDING
3030-01-466-9476INTERCHANGEABLE
BELT,V
12469149-1
4730-01-599-2407INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
300F

Frequently Asked Questions

What is NSN 1650-00-670-6585?

NSN 1650-00-670-6585 is a Valve Assembly,hydraulic,aircraf, manufactured by Defense & Development Enterprises Llc, classified under FSC 1650 (No Item Name Available). Status: active.

What are the part numbers for NSN 1650-00-670-6585?

NSN 1650-00-670-6585 has 3 cross-referenced part numbers: 20251-3 (Defense & Development Enterprises Llc), 20251-3 (Triumph Thermal Systems - Maryland, Inc.), 20251-3 (Hiller Aircraft Corporation).

What NSN replaces 1650-00-670-6585?

There are 5 known substitutes for 1650-00-670-6585: 2010-00-980-4726, 6610-01-052-6048, 6515-01-229-5749 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20251-3?

Key specifications for 20251-3: General Characteristics Item Description: W-ACTUATOR,BELLOWS,AND VENTURI; End Item Identification: 1650006223297 20351-1 DRIVE,CONSTANT SPEED,PNEUMATIC,ACFT. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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