The Backshell,electrical Connector, cataloged under National Stock Number 5935-01-501-4752, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5935-01-501-4752 |
| Primary Part Number | 5M2953-3GW |
| Item Name | Backshell,electrical Connector |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 THREADED COUPLING |
| Criticality Code Justification | AGAV |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 31.0 MILLIMETERS MM |
| Size Designation | 21 |
| Thread Class | 2B |
| Thread Series Designator | ISO M |
| Cable Opening Diameter | 0.297 INCHES MINIMUM AND 0.625 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 | Y |
| Part Number | Manufacturer |
|---|---|
| 5M2953-3GW PRIMARY | The Boeing Company Div Defense (USA) |
| 440HT120NF21 PRIMARY | Glenair, Inc. (USA) |
| S3957A21-34 PRIMARY | Joslyn Sunbank Company, Llc Dba Joslyn Sunbank Co Llc (USA) |
| Reference | Meaning |
|---|---|
| 440FT120NF21 | C/1 Advisory reference — outside the item-of-supply concept Glenair, Inc. |
| 440HT081NF21 | 5/9 Secondary reference Glenair, Inc. |
NSN 5935-01-501-4752 is a Backshell,electrical Connector, manufactured by The Boeing Company Div Defense, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-501-4752 has 3 manufacturer part numbers on file: 5M2953-3GW (The Boeing Company Div Defense), 440HT120NF21 (Glenair, Inc.), S3957A21-34 (Joslyn Sunbank Company, Llc Dba Joslyn Sunbank Co Llc).
Key specifications for 5M2953-3GW: Mounting Facility Type and Quantity: 1 THREADED COUPLING; Criticality Code Justification: AGAV; Thread Direction: RIGHT-HAND; Nominal Thread Size: 31.0 MILLIMETERS MM. 8 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.