The Cover,electrical Connector, cataloged under National Stock Number 5935-01-291-0815, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5935-01-291-0815 |
| Primary Part Number | 5257238-1 |
| Item Name | Cover,electrical Connector |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 THREADED COUPLING |
| Seal Type | GASKET |
| Nominal Thread Length | 0.250 INCHES IN |
| Attachment Feature Length | 7.750 INCHES NOMINAL IN |
| Overall Diameter | 1.969 INCHES MAXIMUM IN |
| Body Height | 0.578 INCHES MAXIMUM IN |
| Style Designator | INTERNAL THREAD W/CHAIN OR ROPE |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.750 INCHES IN |
| Size Designation | 28 |
| Surface Treatment | CADMIUM AND CHROMATE |
| Eye Inside Diameter | 0.166 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN |
| Thread Class | 2B |
| Thread Quantity Per Inch | 18 |
| Thread Series Designator | UNS |
| Furnished Items | LINK CHAIN |
| 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 |
|---|---|
| 229033-283 | Amphenol Corp Div Amphenol Aerospace Operations (USA) |
| 5257238-1 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| G1259-28D | C/1 Advisory reference — outside the item-of-supply concept Glenair, Inc. |
| G1259-280 | 5/9 Secondary reference Glenair, Inc. |
NSN 5935-01-291-0815 is a Cover,electrical Connector, manufactured by Naval Sea Systems Command, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-291-0815 has 2 manufacturer part numbers on file: 229033-283 (Amphenol Corp Div Amphenol Aerospace Operations), 5257238-1 (Naval Sea Systems Command).
Key specifications for 5257238-1: Mounting Facility Type and Quantity: 1 THREADED COUPLING; Seal Type: GASKET; Nominal Thread Length: 0.250 INCHES IN; Attachment Feature Length: 7.750 INCHES NOMINAL IN. 16 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.