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B&F Fastener Supply SON 440 0050

HEX STANDOFF #4-40 NYLON 1/2"

Answer first: this page is a purchasing reference for the exact part number SON 440 0050 from B&F Fastener Supply. Use it to start datasheet, package, manufacturer and RFQ verification; do not treat page text as a live stock, price or lead-time promise.

Manufacturer: B&F Fastener Supply Category: Board Spacers, Standoffs Part number: SON 440 0050 Package: RFQ verification required

Key Parameters

Part NumberSON 440 0050
ManufacturerB&F Fastener Supply
CategoryBoard Spacers, Standoffs
seriesSON
packagingBulk
product statusActive
param 1Hex Standoff
param 2Threaded
param 3Male, Female
param 4#4-40
param 5-
param 6-
param 70.500" (12.70mm) 1/2"
param 8-
param 9-
param 10Nylon
param 11-
param 12-

Parameters are provided for purchasing review. Confirm package, suffix, lifecycle status, datasheet revision and approved substitutes before ordering.

How to Verify SON 440 0050 Before Ordering

Datasheet and parameter checks

  • Confirm the full manufacturer part number, not only a shortened search keyword.
  • Compare package, pinout, dimensions, voltage or rating fields, temperature range and compliance wording against the released BOM.
  • Use the manufacturer datasheet or drawing for electrical and mechanical limits before approving a substitute.

RFQ fields SENICO needs

  • Send exact part number, manufacturer, quantity, target delivery date, destination and required packaging.
  • State whether alternates are allowed, and list any date-code, certificate, traceability or customer AVL requirement.
  • Keep exact stock, factory lead time and proposed alternatives in separate quote lanes.

For SON 440 0050, SENICO recommends checking manufacturer marking, package, date code, requested quantity, approved vendor requirements and replacement risk before issuing a purchase order. If a supplier suggests an equivalent, record the changed fields and approval owner before comparing price.

We do not treat displayed data as a real-time stock or price commitment. The RFQ reply is the verified commercial reference.

Related buying guides: stock and lead-time verification, equivalent IC comparison, and BOM RFQ preparation.