The Adapter,connector, cataloged under National Stock Number 5935-00-478-7384, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 29 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-00-478-7384 |
| Primary Part Number | 2856855 |
| Item Name | Adapter,connector |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Connector Locking Method | INTERNALLY THREADED COUPLING RING AND EXTERNALLY THREADED SHELL |
| Shell Type | SOLID |
| Body Style | STRAIGHT SHAPE, INTERNAL COUPLING |
| Contact Material | COPPER ALLOY ALL MATING ENDS ALL CONTACT GROUPINGS |
| Overall Diameter | 1.750 INCHES NOMINAL IN |
| Mating End Quantity | 2 |
| Precious Material | GOLD |
| Contact Position Arrangement Style | 20-27 ALL MATING ENDS |
| Shell Surface Treatment | CADMIUM |
| Insert Position in Deg | 0.0 |
| Insert Material Document and Classification | MIL-M-14,TYPE MFN MIL SPEC SINGLE MATERIAL RESPONSE ALL MATING ENDS |
| Precious Material and Weight | 0.014 GOLD GRAINS, TROY |
| Shell Material Document and Classification | QQ-A-225/3,ALLOY 7075 FED SPEC SINGLE MATERIAL RESPONSE |
| Included Contact Quantity | 7 FIRST MATING END ALL CONTACT GROUPINGS |
| Included Contact Quantity | 7 SECOND MATING END ALL CONTACT GROUPINGS |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.250 INCHES IN |
| Included Contact Type | ROUND PIN FIRST MATING END ALL CONTACT GROUPINGS |
| Included Contact Type | ROUND SOCKET SECOND MATING END ALL CONTACT GROUPINGS |
| Polarization Method | KEYWAY OR MULTIPLE KEYWAY |
| Environmental Protection | MOISTURE RESISTANT AND SALT WATER RESISTANT AND VIBRATION RESISTANT |
| Precious Material and Location | CONTACT SURFACES GOLD |
| Contact Removability | NONREMOVABLE ALL MATING ENDS ALL CONTACT GROUPINGS |
| Thread Class | 2B AND 2A A |
| Contact Surface Treatment | GOLD AND NICKEL ALL MATING ENDS ALL CONTACT GROUPINGS |
| Threaded Device Type | COUPLING FACILITY |
| Thread Series Designator | UNEF |
| Insert Material | PLASTIC PHENOLIC ALL MATING ENDS |
| Shell Material | ALUMINUM ALLOY 2011 |
| 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 |
|---|---|
| 2856855 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 0001121 | C/1 Advisory reference — outside the item-of-supply concept Portsmouth Radiological P a Lafayette Professional Center |
| 0001121 | 5/9 Secondary reference Robinson Nugent Inc |
NSN 5935-00-478-7384 is a Adapter,connector, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-00-478-7384 has 1 manufacturer part number on file: 2856855 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 6210-01-178-4545. Verify interchangeability with system specifications before substitution.
Key specifications for 2856855: Connector Locking Method: INTERNALLY THREADED COUPLING RING AND EXTERNALLY THREADED SHELL; Shell Type: SOLID; Body Style: STRAIGHT SHAPE, INTERNAL COUPLING; Contact Material: COPPER ALLOY ALL MATING ENDS ALL CONTACT GROUPINGS. 29 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.