The Adapter,connector, cataloged under National Stock Number 5935-01-090-5585, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Electronic Systems. Government technical data includes 27 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-01-090-5585 |
| Primary Part Number | 989C178H02 |
| Item Name | Adapter,connector |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Northrop Grumman Systems Corporation Dba Electronic Systems |
| Status | ACTIVE |
| Connector Locking Method | EXTERNALLY THREADED SHELL |
| Shell Type | SOLID |
| Body Style | STRAIGHT SHAPE W/FLANGE |
| Nominal Thread Length | 0.179 INCHES IN |
| Contact Material | COPPER ALLOY ALL MATING ENDS SINGLE CONTACT GROUPING |
| Mating End Quantity | 2 |
| Precious Material | GOLD |
| Contact Position Arrangement Style | NONSTD ALL MATING ENDS |
| Shell Surface Treatment | PASSIVATE |
| Unthreaded Mounting Hole Diameter | 0.100 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN |
| Insert Material Document and Classification | MIL-P-19468 MIL SPEC SINGLE MATERIAL RESPONSE ALL MATING ENDS |
| Precious Material and Weight | 0.010 GOLD GRAINS, TROY |
| Shell Material Document and Classification | QQ-S-764,CLASS 303 FED SPEC SINGLE MATERIAL RESPONSE |
| Center to Center Distance Between Mounting Facilities Parallel to Height | 0.340 INCHES NOMINAL IN |
| Included Contact Quantity | 1 ALL MATING ENDS SINGLE CONTACT GROUPING |
| Shell Surface Treatment Document and Classification | QQ-P-35,TYPE I,III OR IV FED SPEC SINGLE TREATMENT RESPONSE |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Included Contact Type | COAXIAL SOCKET ALL MATING ENDS SINGLE CONTACT GROUPING |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 0.340 INCHES NOMINAL IN |
| Contact Surface Treatment Document and Classification | MIL-G-45204,TY 1,GR C MIL SPEC 1ST TREATMENT RESPONSE AND MIL-C-14550,CL IV MIL SPEC 2ND TREATMENT RESPONSE ALL MATING ENDS SINGLE CONTACT GROUPING |
| Environmental Protection | VIBRATION PROOF |
| Precious Material and Location | CONTACT SURFACES GOLD |
| Distance From Mounting Shoulder to Front Face | 0.500 INCHES NOMINAL IN |
| Contact Removability | NONREMOVABLE ALL MATING ENDS SINGLE CONTACT GROUPING |
| Thread Class | 2A A |
| Contact Material Document and Classification | QQ-C-530 FED SPEC SINGLE MATERIAL RESPONSE ALL MATING ENDS SINGLE CONTACT GROUPING |
| 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 |
|---|---|
| 901-B2503-135 | Amphenol Corporation Div Amphenol Rf (USA) |
| 989C178H02 PRIMARY | Northrop Grumman Systems Corporation Dba Electronic Systems (USA) |
| Reference | Meaning |
|---|---|
| 25135-3 | 5/9 Secondary reference Amphenol Corporation Div Amphenol Rf |
NSN 5935-01-090-5585 is a Adapter,connector, manufactured by Northrop Grumman Systems Corporation Dba Electronic Systems, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-090-5585 has 2 manufacturer part numbers on file: 901-B2503-135 (Amphenol Corporation Div Amphenol Rf), 989C178H02 (Northrop Grumman Systems Corporation Dba Electronic Systems).
Key specifications for 989C178H02: Overall Height: 0.500 INCHES NOMINAL IN; Connector Locking Method: EXTERNALLY THREADED SHELL; Shell Type: SOLID; Body Style: STRAIGHT SHAPE W/FLANGE. 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.