The Shielded Panel,electromagnetic, cataloged under National Stock Number 4920-01-157-8636, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Technical Wire Products, Llc Dba Twp. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-157-8636 |
| Primary Part Number | 71-90605 |
| Item Name | Shielded Panel,electromagnetic |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Technical Wire Products, Llc Dba Twp |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY FRAME; BLACK ANODIZE FINISH; 4.120 IN. LG; 2.250 IN. W; 0.187 IN. THK; WINDOW,2.860 IN. LG; 1.000 IN. W; FOUR 0.161 IN. DIA MTG HOLES ON 3.800 IN. BY 1.250 IN. CENTER IN |
| Precious Material | SILVER |
| Precious Material and Weight | 0.040 SILVER GRAINS, TROY |
| Precious Material and Location | BUS BAR SILVER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 71-90605 PRIMARY | Technical Wire Products, Llc Dba Twp (USA) |
| Reference | Meaning |
|---|---|
| 5M1898-1 | 5/9 Secondary reference The Boeing Company Div Defense |
NSN 4920-01-157-8636 is a Shielded Panel,electromagnetic, manufactured by Technical Wire Products, Llc Dba Twp, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-157-8636 has 1 manufacturer part number on file: 71-90605 (Technical Wire Products, Llc Dba Twp).
Key specifications for 71-90605: General Characteristics Item Description: ALUMINUM ALLOY FRAME; BLACK ANODIZE FINISH; 4.120 IN. LG; 2.250 IN. W; 0.187 IN. THK; WINDOW,2.860 IN. LG; 1.000 IN. W; FOUR 0.161 IN. DIA MTG HOLES ON 3.800 IN. BY 1.250 IN. CENTER IN; Precious Material: SILVER; Precious Material and Weight: 0.040 SILVER GRAINS, TROY; Precious Material and Location: BUS BAR SILVER. 4 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.