The Backshell,electrical Connector, cataloged under National Stock Number 5935-01-128-3802, 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 13 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5935-01-128-3802 |
| Primary Part Number | 5M1687-001S |
| 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 AND 4 UNTHREADED HOLE(S) |
| Nominal Thread Length | 0.240 INCHES IN |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.377 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN |
| Unthreaded Mounting Hole Diameter | 0.086 INCHES NOMINAL IN |
| Style Designator | STRAIGHT TYPE W/FLANGE |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.188 INCHES IN |
| Surface Treatment | CADMIUM AND CHROMATE AND NICKEL |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 0.938 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| Material | ALUMINUM ALLOY |
| Thread Series Designator | UNEF |
| 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 |
|---|---|
| 5M1687-001S PRIMARY | The Boeing Company Div Defense (USA) |
| 5M1687-001S | Joslyn Sunbank Company, Llc Dba Joslyn Sunbank Co Llc (USA) |
| G65116 | Glenair, Inc. (USA) |
| J1317 | Joslyn Sunbank Company, Llc Dba Joslyn Sunbank Co Llc (USA) |
| Reference | Meaning |
|---|---|
| 74B059259-201 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| 10163585 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5935-01-128-3802 is a Backshell,electrical Connector, manufactured by The Boeing Company Div Defense, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-128-3802 has 4 manufacturer part numbers on file: 5M1687-001S (The Boeing Company Div Defense), 5M1687-001S (Joslyn Sunbank Company, Llc Dba Joslyn Sunbank Co Llc), G65116 (Glenair, Inc.), J1317 (Joslyn Sunbank Company, Llc Dba Joslyn Sunbank Co Llc).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-418-8951, 4730-01-510-0001. Verify interchangeability with system specifications before substitution.
Key specifications for 5M1687-001S: Mounting Facility Type and Quantity: 1 THREADED COUPLING AND 4 UNTHREADED HOLE(S); Overall Height: 1.540 INCHES NOMINAL IN; Nominal Thread Length: 0.240 INCHES IN; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.377 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN. 13 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.