Approved Vendor 3G-OTH-531798 — Technical Specifications
The APPROVED VENDOR Key Locking Insert is a thin-wall, 4-key, plain-finish Mil. Spec. insert (10 PK) with a 5/16"-18 internal thread and 7/16"-14 external thread, meeting MS51831-102. Made from 18-8 stainless steel with 2A external and 3B internal thread fits, it is compatible with a 7/16"-14 tap size. 3G Electric interprets demand and sources this genuine industrial insert across 14 departments — with specialist depth in combustion, pumps and controls — ensuring you get the right answer, not just a catalog.
Technical Specifications
| Parameter | Value |
|---|---|
| Keys | 4 |
| Type | Plain, 10 PK |
| Brand | APPROVED VENDOR |
| Wall Type | Thin Wall |
| Ext Thrd Sz | 7/16"-14 |
| Finish Type | Plain |
| Int Thrd Sz | 5/16"-18 |
| Thread Type | Coarse |
| Industry Standards | MS51831-102 |
| Compatible Tap Size | 7/16"-14 |
| External Thread Fit | 2A |
| Internal Thread Fit | 3B |
| Material Grade/Class | 18-8 |
| System Of Measurement | Inch |
| Manufacturer Part Number | 217-076323 |