The Connector,receptacle,electrical, cataloged under National Stock Number 5935-01-409-0707, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Connector Industries of America Inc Div of Microdot Connector Group. Government technical data includes 25 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-01-409-0707 |
| Primary Part Number | BK21-14-12PN-20-8E |
| Item Name | Connector,receptacle,electrical |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Connector Industries of America Inc Div of Microdot Connector Group |
| Status | ACTIVE |
| Connector Locking Method | BAYONET PIN |
| Shell Type | SOLID |
| Body Style | STRAIGHT SHAPE THREADED |
| Terminal Type | SOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING |
| Contact Material | NICKEL SINGLE MATING END SINGLE CONTACT GROUPING |
| Bushing Accommodation Hole Shape | ROUND |
| Overall Diameter | 1.202 INCHES MINIMUM AND 1.234 INCHES MAXIMUM IN |
| Mating End Quantity | 1 |
| Precious Material | GOLD |
| Contact Position Arrangement Style | 14-12 SINGLE MATING END |
| Shell Surface Treatment | PASSIVATE AND TIN |
| Supplementary Features | MOUNTING METHOD - FLANGE |
| Insert Position in Deg | 0.0 |
| Precious Material and Weight | 0.500 GOLD GRAINS, TROY |
| Terminal Location | BACK SINGLE MATING END SINGLE CONTACT GROUPING |
| Included Contact Quantity | 12 SINGLE MATING END SINGLE CONTACT GROUPING |
| Mounting Facility Thickness | 0.035 INCHES NOMINAL IN |
| Included Contact Type | ROUND PIN SINGLE MATING END SINGLE CONTACT GROUPING |
| Polarization Method | KEYWAY OR MULTIPLE KEYWAY |
| Precious Material and Location | CONTACT SURFACES GOLD |
| Distance From Mounting Shoulder to Front Face | 0.411 INCHES MINIMUM AND 0.442 INCHES MAXIMUM IN |
| Contact Removability | NONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING |
| Contact Surface Treatment | GOLD AND COPPER AND NICKEL SINGLE MATING END SINGLE CONTACT GROUPING |
| Insert Material | PORCELAIN SINGLE MATING END |
| Shell Material | STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| BK21-14-12PN-20-8E | Connector Industries of America Inc Div of Microdot Connector Group (USA) |
| Reference | Meaning |
|---|---|
| AMES-3108-E PC 13 | 3/9 Design control — primary reference American Mechanical & Electronic Service Inc |
| BK21-14-12PN-20-8E | 5/9 Secondary reference Btc Electronic Components |
NSN 5935-01-409-0707 is a Connector,receptacle,electrical, manufactured by Connector Industries of America Inc Div of Microdot Connector Group, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-409-0707 has 1 manufacturer part number on file: BK21-14-12PN-20-8E (Connector Industries of America Inc Div of Microdot Connector Group).
Key specifications for BK21-14-12PN-20-8E: Connector Locking Method: BAYONET PIN; Shell Type: SOLID; Body Style: STRAIGHT SHAPE THREADED; Terminal Type: SOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING. 25 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.