The Isolator,radio Frequency Reflect, cataloged under National Stock Number 5985-00-552-9705, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) 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 7 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-552-9705 |
| Primary Part Number | 2835798 |
| Item Name | Isolator,radio Frequency Reflect |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Length | 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN |
| Angular Displacement Between Flange Contact Surfaces in Deg | 180.0 |
| Flange Connecting Hole Diameter | 0.169 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| Identification Designator | PART NO M85/1-078,TYPE UG-135/U,TYPE UG-136B/U |
| Flange Connecting Hole Spacing | SPACED ON 1.220 IN. BY 1.280 IN. MTG CENTERS BOTH FLANGES IN |
| Flange Connecting Hole Thread Size | 8-32 |
| Width | 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2835798 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5985-00-552-9705 is a Isolator,radio Frequency Reflect, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-552-9705 has 1 manufacturer part number on file: 2835798 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2835798: Overall Height: 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN; Length: 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN; Angular Displacement Between Flange Contact Surfaces in Deg: 180.0; Overall Length: 3.860 INCHES MINIMUM AND 3.890 INCHES MAXIMUM IN. 7 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.
NSN 5985-00-552-9705 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.