The Backshell,electrical Connector, cataloged under National Stock Number 5935-01-321-6186, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Raytheon Company. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-01-321-6186 |
| Primary Part Number | G340578-3 |
| Item Name | Backshell,electrical Connector |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Raytheon Company |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 SCREW |
| Body Width | 0.620 INCHES NOMINAL IN |
| Style Designator | HOOD TYPE W/ROUND CLAMP AND FLANGE |
| Distance Between Mounting Facility Centers | 1.857 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.112 INCHES IN |
| Cable Opening Quantity | 1 |
| Size Designation | 25 |
| Surface Treatment | NICKEL AND COPPER |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Material | ZINC ALLOY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Cable Opening Diameter | 0.190 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN |
| Furnished Items | GROMMET |
| 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 |
|---|---|
| G340578-3 | Raytheon Company (USA) |
| G340578-3 | Raytheon Company Dba Raytheon Co (USA) |
| 748676-3 | Te Connectivity Corporation (USA) |
| C88000203 | Koehlke Components Inc (USA) |
| C88000203 | Northern Technologies Corp.dba Northern Technologies Corp. (CAN) |
| Reference | Meaning |
|---|---|
| G340578-3 | 5/9 Secondary reference Raytheon Company Div Corp |
| 745173-3 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
| A3178292-7 | 7/2 Vendor item drawing reference U.S. Government activity |
| 8786562-1 | 3/9 Design control — primary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
| 748676-3 | 5/1 Secondary reference Tyco Electronics Corp |
| DMH-B-001 | 5/9 Secondary reference Cinch Connectivity Solutions Inc. |
NSN 5935-01-321-6186 is a Backshell,electrical Connector, manufactured by Raytheon Company, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-321-6186 has 5 manufacturer part numbers on file: G340578-3 (Raytheon Company), G340578-3 (Raytheon Company Dba Raytheon Co), 748676-3 (Te Connectivity Corporation), C88000203 (Koehlke Components Inc), C88000203 (Northern Technologies Corp.dba Northern Technologies Corp.).
2 possible matches (shared part number, not a government interchangeability claim): 5935-01-388-0078, 5935-01-546-4912. Verify interchangeability with system specifications before substitution.
Key specifications for G340578-3: Mounting Facility Type and Quantity: 2 SCREW; Overall Height: 1.550 INCHES NOMINAL IN; Body Width: 0.620 INCHES NOMINAL IN; Style Designator: HOOD TYPE W/ROUND CLAMP AND FLANGE. 15 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.