Introduction
This manual provides instructions for the proper use and maintenance of the AosBet M81969/1-02 Insert/Extract Tool #20. This specialized tool is designed for the precise insertion and extraction of size 20 pins and sockets in D-Sub (RS-232) connectors, compliant with MIL-C-24308 and MIL-C-81659 military specifications. Adhering to these instructions will ensure optimal performance and longevity of the tool.
Product Overview

Figure 1: AosBet M81969/1-02 Insert/Extract Tool. This image displays the AosBet M81969/1-02 Insert/Extract Tool. It features a red plastic handle and a metal probe designed for precise pin manipulation.
Setup
The AosBet M81969/1-02 tool requires no assembly or complex setup. It is ready for immediate use upon removal from its packaging.
- Identify Tool Ends: The tool typically has two distinct ends: one for insertion and one for extraction. Refer to the markings on the tool or the manufacturer's diagram if available to distinguish between them. For the M81969/1-02, the red end is generally for extraction, and the white end (or the opposite end) is for insertion.
- Verify Pin Size: Ensure the pins or sockets you intend to work with are size #20, compatible with this tool. Using the incorrect size tool can damage both the tool and the connector pins.
Operating Instructions
Inserting Pins
- Prepare the Pin: Ensure the wire is properly crimped to the pin or socket contact.
- Position the Tool: Place the insertion end of the tool over the pin/socket contact. The tool should slide smoothly over the contact.
- Insert into Connector: Align the pin/socket (with the tool still attached) with the desired cavity in the connector. Push the pin/socket firmly and straight into the cavity until you feel a click or resistance, indicating it is seated correctly.
- Remove Tool: Gently pull the insertion tool straight off the pin/socket. Do not twist or bend.
- Verify Seating: Lightly tug on the wire to ensure the pin/socket is securely locked in place.
Extracting Pins
- Position the Tool: Slide the extraction end of the tool over the wire and into the connector cavity, around the pin/socket contact.
- Engage Locking Mechanism: Push the tool firmly into the cavity until it bottoms out. This action depresses the locking tangs of the pin/socket, allowing it to be removed.
- Extract Pin: While maintaining pressure on the extraction tool, gently pull the wire (and thus the pin/socket) straight out of the connector.
- Remove Tool: Once the pin/socket is free, remove the extraction tool.
- Inspect Pin: Inspect the extracted pin/socket for any damage to the locking tangs before re-insertion or disposal.
Maintenance
- Cleaning: Keep the tool clean and free from dirt, grease, and debris. Use a soft, dry cloth to wipe down the tool after each use. For stubborn grime, a mild, non-abrasive cleaner can be used sparingly, ensuring the tool is completely dry before storage.
- Storage: Store the tool in a clean, dry environment, away from extreme temperatures and direct sunlight. Protect the delicate metal probe tips from bending or damage.
- Inspection: Periodically inspect the tool for any signs of wear, bending, or damage to the probe tips. A damaged tool can harm connector pins and should be replaced.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Difficulty inserting pin | Incorrect tool end used; pin not aligned; damaged pin; wrong pin size. | Ensure insertion end is used; align pin straight with cavity; inspect pin for damage; verify pin is size #20. |
| Difficulty extracting pin | Incorrect tool end used; tool not fully engaged; damaged locking tangs; wrong pin size. | Ensure extraction end is used; push tool firmly until it bottoms out; inspect pin for damage; verify pin is size #20. |
| Tool tip bends or breaks | Excessive force applied; improper angle during use; using tool on incorrect pin size. | Use gentle, steady pressure; ensure tool is straight; verify pin is size #20. Replace damaged tool. |
Specifications
- Model: M81969/1-02
- AWG Size: #20
- Color: Red (handle)
- Compatible Contacts: D-Sub (RS-232) Pin/Socket
- Military Specifications: MIL-C-24308, MIL-C-81659
- Material: Plastic (Handle), Metal (Probe)
- Type: Insertion/Extraction Tool
- Item Weight: 0.352 ounces (approx. 10 grams)
- Package Dimensions: 2.95 x 2.56 x 0.39 inches (approx. 7.5 x 6.5 x 1 cm)
- Manufacturer Part Number: 80-6723S
Warranty and Support
Information regarding product warranty and customer support for the AosBet M81969/1-02 Insert/Extract Tool #20 is not provided within this document. For detailed warranty terms, technical assistance, or to inquire about replacement parts, please refer to the official AosBet website or contact their customer service directly.