The Connector,receptacle,electrical, cataloged under National Stock Number 5935-01-353-2808, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. Government technical data includes 27 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5935-01-353-2808 |
| Primary Part Number | 121A542-1 |
| Item Name | Connector,receptacle,electrical |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Connector Locking Method | FRICTION |
| Shell Type | SOLID |
| Body Style | STRAIGHT SHAPE |
| Terminal Type | PIN ALL MATING ENDS SINGLE CONTACT GROUPING |
| Contact Material | COPPER ALLOY 172 ALL MATING ENDS SINGLE CONTACT GROUPING |
| Mating End Quantity | 2 |
| Precious Material | GOLD |
| Shell Surface Treatment | ANODIZE |
| Precious Material and Weight | 0.304 GOLD GRAINS, TROY |
| Shell Material Document and Classification | QQ-A-200/8 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE |
| Terminal Location | BACK ALL MATING ENDS SINGLE CONTACT GROUPING |
| Distance Between Mounting Facility Centers | 4.440 INCHES NOMINAL IN |
| Included Contact Quantity | 152 FIRST MATING END SINGLE CONTACT GROUPING |
| Included Contact Quantity | 152 SECOND MATING END SINGLE CONTACT GROUPING |
| Shell Surface Treatment Document and Classification | MIL-A-8625,TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.086 INCHES IN |
| Included Contact Type | SQUARE SOCKET ALL MATING ENDS SINGLE CONTACT GROUPING |
| Contact Surface Treatment Document and Classification | MIL-G-45204,TY 2,GRADE C,CL 1 MIL SPEC 1ST TREATMENT RESPONSE AND QQ-N-290,CL 2 FED SPEC 2ND TREATMENT RESPONSE ALL MATING ENDS SINGLE CONTACT GROUPING |
| Precious Material and Location | CONTACT SURFACES GOLD |
| Contact Removability | NONREMOVABLE ALL MATING ENDS SINGLE CONTACT GROUPING |
| Thread Class | 2B |
| Contact Material Document and Classification | QQ-B-533,3/4 HARD FED SPEC SINGLE MATERIAL RESPONSE ALL MATING ENDS SINGLE CONTACT GROUPING |
| Thread Quantity Per Inch | 56 |
| Contact Surface Treatment | GOLD AND NICKEL ALL MATING ENDS SINGLE CONTACT GROUPING |
| Threaded Device Type | MOUNTING HOLE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 121A542-1 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| 534770-1 | 5/9 Secondary reference Te Connectivity Corporation |
NSN 5935-01-353-2808 is a Connector,receptacle,electrical, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-353-2808 has 1 manufacturer part number on file: 121A542-1 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 121A542-1: Overall Height: 0.675 INCHES NOMINAL IN; Connector Locking Method: FRICTION; Shell Type: SOLID; Body Style: STRAIGHT SHAPE. 27 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.