PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B-786-1Tube,steering Meter

Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · NSN 1620-01-040-3579 · FSC 1620 · No Item Name Available
Verified by PartsTable
NSN 1620-01-040-3579 — this item is cataloged by the U.S. Government under National Stock Number 1620-01-040-3579. Primary manufacturer part number: B-786-1.
Features
  • Tube,steering Meter — FSC 1620
  • General Characteristics Item Description: STEEL 4130; MIL-S-6758, 0.875 IN. HEX 6.312 IN. LG IN
  • 1 verified cross-reference
  • Primary manufacturer: Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Tube,steering Meter, cataloged under National Stock Number 1620-01-040-3579, is classified within Federal Supply Class 1620 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1620-01-040-3579
Primary Part NumberB-786-1
Item NameTube,steering Meter
FSC / FSG1620 / 16 — No Item Name Available
ManufacturerSargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
StatusACTIVE
General Characteristics Item DescriptionSTEEL 4130; MIL-S-6758, 0.875 IN. HEX 6.312 IN. LG IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4820-00-225-0704S50R INTERCHANGEABLE
Valve,linear,directional Control
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
Cross-Reference Index
Part NumberManufacturer
B-786-1 PRIMARY Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
Related Parts
4820-00-225-0704INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
S50R

Frequently Asked Questions

What is NSN 1620-01-040-3579?

NSN 1620-01-040-3579 is a Tube,steering Meter, manufactured by Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace, classified under FSC 1620 (No Item Name Available). Status: active.

What are the part numbers for NSN 1620-01-040-3579?

NSN 1620-01-040-3579 has 1 cross-referenced part number: B-786-1 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).

What NSN replaces 1620-01-040-3579?

There is 1 known substitute for 1620-01-040-3579: 4820-00-225-0704. Verify interchangeability with system specifications before substitution.

What are the specifications of B-786-1?

Key specifications for B-786-1: General Characteristics Item Description: STEEL 4130; MIL-S-6758, 0.875 IN. HEX 6.312 IN. LG IN; End Item Identification: ACFT E3A NOSE LANDING GEAR. 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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