The Holder,semiconductor Device, cataloged under National Stock Number 5961-00-477-7412, is classified within Federal Supply Class 5961 (Semiconductor Devices and Associated Hardware) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-00-477-7412 |
| Primary Part Number | 90DC299-1 |
| Item Name | Holder,semiconductor Device |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc |
| Status | ACTIVE |
| Input Terminal Type | SCREWCAP |
| Overall Diameter | 0.570 INCHES NOMINAL IN |
| Input Contact Type | FEMALE |
| 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 |
|---|---|
| 90DC299-1 PRIMARY | Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc (USA) |
| MA69839-2 | Semic Rf Electronic Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| 580R077H02 | 7/2 Vendor item drawing reference U.S. Government activity |
| 580R077H02 | 5/9 Secondary reference The Boeing Company Div Defense |
| MA69839-2 | 5/9 Secondary reference U.S. Government activity |
NSN 5961-00-477-7412 is a Holder,semiconductor Device, manufactured by Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-00-477-7412 has 2 manufacturer part numbers on file: 90DC299-1 (Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc), MA69839-2 (Semic Rf Electronic Gmbh).
Key specifications for 90DC299-1: Input Terminal Type: SCREWCAP; Overall Diameter: 0.570 INCHES NOMINAL IN; Overall Length: 0.780 INCHES NOMINAL IN; Input Contact Type: FEMALE. 3 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.