The Insulator,knob, cataloged under National Stock Number 5970-00-498-3740, is classified within Federal Supply Class 5970 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Knox Porcelain Corp. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-00-498-3740 |
| Primary Part Number | 7138S |
| Item Name | Insulator,knob |
| FSC / FSG | 5970 / 59 — No Item Name Available |
| Manufacturer | Knox Porcelain Corp |
| Status | ACTIVE |
| First Slot Depth | 0.594 INCHES NOMINAL IN |
| Mounting Facility Type and Quantity | 1 UNTHREADED HOLE(S) |
| Material | PORCELAIN OVERALL |
| Outside Diameter | 1.625 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 7138S PRIMARY | Knox Porcelain Corp (USA) |
| 01214 | Carborundum Co the Refractories and Electronics Div Latrobe Plant (USA) |
| 7138 | Delta-Star Electric Division Thomas Works of Porter H K Co of Delaware (USA) |
| IN75 PRIMARY | Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA) |
| 6064TYPES | Procelain Products Co (USA) |
NSN 5970-00-498-3740 is a Insulator,knob, manufactured by Knox Porcelain Corp, classified under FSC 5970 (No Item Name Available). Status: active.
NSN 5970-00-498-3740 has 5 cross-referenced part numbers: 7138S (Knox Porcelain Corp), 01214 (Carborundum Co the Refractories and Electronics Div Latrobe Plant), 7138 (Delta-Star Electric Division Thomas Works of Porter H K Co of Delaware), IN75 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 6064TYPES (Procelain Products Co).
There are 12 known substitutes for 5970-00-498-3740: 4730-00-231-2416, 5133-00-262-2194, 4920-00-342-4012 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 7138S: First Slot Depth: 0.594 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 1 UNTHREADED HOLE(S); Material: PORCELAIN OVERALL; Outside Diameter: 1.625 INCHES NOMINAL IN. 4 total characteristics are documented in the Federal Logistics Information System.