The Backshell,electrical Connector, cataloged under National Stock Number 5935-01-657-6055, 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 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-01-657-6055 |
| Primary Part Number | 557S387NF1F03 |
| Item Name | Backshell,electrical Connector |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Glenair, Inc. |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 THREADED HOLE(S) |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 0.984 INCHES NOMINAL IN |
| Style Designator | HOOD, TOP OPENING |
| Features Provided | ELECTROMAGNETIC INTERFERENCE SHIELDING |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 4.0 MILLIMETERS MM |
| Surface Treatment | NICKEL AND PHOSPHATE |
| Thread Class | 2B |
| Thread Quantity Per Inch | 40.0 |
| Material | ALUMINUM AND STEEL CORROSION RESISTING |
| Cable Opening Width | 0.250 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Cable Opening Length | 1.250 INCHES NOMINAL 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 |
|---|---|
| 557S387NF1F03 PRIMARY | Glenair, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 557-387 | D/9 Drawing number reference only Glenair, Inc. |
NSN 5935-01-657-6055 is a Backshell,electrical Connector, manufactured by Glenair, Inc., classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-657-6055 has 1 manufacturer part number on file: 557S387NF1F03 (Glenair, Inc.).
Key specifications for 557S387NF1F03: Mounting Facility Type and Quantity: 2 THREADED HOLE(S); Overall Height: 1.880 INCHES NOMINAL IN; Center to Center Distance Between Mounting Facilities Parallel to Length: 0.984 INCHES NOMINAL IN; Style Designator: HOOD, TOP OPENING. 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.