The Backshell,electrical Connector, cataloged under National Stock Number 5935-01-509-9423, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Glenair, Inc.. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5935-01-509-9423 |
| Primary Part Number | 440BS078M23A |
| Item Name | Backshell,electrical Connector |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Glenair, Inc. |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 THREADED COUPLING |
| Overall Diameter | 2.100 INCHES MAXIMUM IN |
| Style Designator | STRAIGHT SHAPE SOLID TYPE |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.875 INCHES IN |
| Cable Opening Quantity | 1 |
| Size Designation | 32 |
| Surface Treatment | NICKEL |
| Thread Quantity Per Inch | 16 |
| Material | ALUMINUM |
| Cable Opening Diameter | 1.625 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 440BS078M23A PRIMARY | Glenair, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 6364519 | D/9 Drawing number reference only Naval Sea Systems Command |
| 6364519 FIND 19 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
NSN 5935-01-509-9423 is a Backshell,electrical Connector, manufactured by Glenair, Inc., classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-509-9423 has 1 manufacturer part number on file: 440BS078M23A (Glenair, Inc.).
4 possible matches (shared part number, not a government interchangeability claim): 5935-01-509-9520, 5935-01-509-9568, 5935-01-509-9582. Verify interchangeability with system specifications before substitution.
Key specifications for 440BS078M23A: Mounting Facility Type and Quantity: 1 THREADED COUPLING; Overall Diameter: 2.100 INCHES MAXIMUM IN; Style Designator: STRAIGHT SHAPE SOLID TYPE; Overall Length: 0.750 INCHES NOMINAL IN. 11 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.