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320559
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320559

by TE Connectivity

Part 320559 uses a copper body with a tin finish and a red nylon insulation sleeve.

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Product Description

Red, self‑insulated nylon window‑type butt splice terminal used to crimp and join 16–22 AWG conductors in electrical wiring for aircraft and other applications where a color‑coded insulated splice is required.

0 1. Overview

This butt splice uses a Pre‑insulated Diamond Grip body made from copper with a tin finish and a red nylon insulation sleeve. The splice is unsealed and incorporates insulation support and a window‑type barrel that exposes the conductor area. It is qualified under MIL‑T‑7928/5 with government/industry part number M7928/5-3 and holds a government National Stock Number 5940-01-079-1647. The connector is approved for Class 1 and Class 2 service and meets MS25181 series requirements for nylon self‑insulated window splices. The insulation diameter is specified at 3.18 mm (0.125 in) maximum, with a conductor wire range of 0.30–1.40 mm² (22–16 AWG) and wire/cable size from 509 to 3,260 CMA. The insulation sleeve material is nylon in a red color for wire size identification. The splice is RoHS and ELV compliant with a compliance history identified as always compliant and is produced in the United States. Export and customs data identify an ECCN of 9A991.d and Schedule B code 8538.90.7080. Packaging is supplied as loose pieces in packs of 50.

0 2. Key Features

  • Unsealed butt splice construction for crimped wire terminations
  • Pre‑insulated Diamond Grip (PIDG) copper body with tin finish
  • Red nylon insulation sleeve with insulation support
  • Window‑type barrel that exposes the conductor during installation
  • Wire range of 22–16 AWG (0.30–1.40 mm²) with 509–3,260 CMA
  • Qualified to MIL‑T‑7928/5 with government/industry part number M7928/5-3
  • Approved for Class 1 and Class 2 applications
  • RoHS and ELV compliant with established compliant history
  • National Stock Number 5940-01-079-1647
  • Associated with Pilatus part number 971.31.32.602
  • Manufactured in the United States
  • Packaged as loose pieces in quantities of 50
0 3. Specifications

Part Number: 320559
Series: MS25181 nylon butt splice self insulated window
Butt Splice Type: Standard, window‑type
Splice Type: Butt
Body Style: PIDG (Pre‑insulated Diamond Grip)
Configuration: Unsealed, self‑insulated
Wire Range: 22–16 AWG (0.30–1.40 mm²)
Wire/Cable Size: 509–3,260 CMA
Insulation Diameter: 3.18 mm (0.125 in) max
Conductor Material: Copper
Finish: Tin
Insulation Sleeve Material: Nylon
Insulation Color: Red
Class: 1 and 2
Government/Industry Qualification: Yes
Government/Industry Part Number: M7928/5-3
Military Specification: MIL‑T‑7928/5
National Stock Number (NSN): 5940-01-079-1647
Related Aircraft Part Number: 971.31.32.602
Alternate Part Numbers: M7928/5-3
ECCN: 9A991.d
Schedule B Code: 8538.90.7080
Country of Origin: United States
Packaging Method: Loose piece
Packaging Quantity: 50 pieces per pack
Color Family: Red

FAQs

01. What wire sizes are supported by butt splice 320559?

Butt splice 320559 supports a wire range of 22–16 AWG with a conductor size of 509–3,260 CMA.

02. What materials are used in the construction of part 320559?

Part 320559 uses a copper body with a tin finish and a red nylon insulation sleeve.

03. Which military and industry designations apply to splice 320559?

Splice 320559 is qualified to MIL‑T‑7928/5 with government or industry part number M7928/5-3 and carries National Stock Number 5940-01-079-1647.

04. Is the insulation on the 320559 butt splice color coded?

The 320559 butt splice uses red nylon insulation for color‑coded identification of the wire size range.

05. How is part 320559 packaged for supply?

Part 320559 is supplied as loose pieces with a packaging quantity of 50 pieces per pack.

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