The Isolator,radio Frequency Reflect, cataloged under National Stock Number 5985-00-571-8980, 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 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-571-8980 |
| Primary Part Number | 2836171 |
| 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 |
| Document Type | MILITARY SPECIFICATION |
| Length | 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN |
| Angular Displacement Between Flange Contact Surfaces in Deg | 180.0 |
| Flange Quantity | 2 |
| Flange Type | COVER |
| Flange Connecting Hole Diameter | 0.169 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| Identification Designator | TYPE UG-135/U |
| Frequency Range Rating | +8.4 TO 8.9 GIGAHERTZ |
| Flange Connecting Hole Spacing | SPACED ON 1.220 PORM 0.004 IN. BY 1.280 PORM 0.004 IN. MTG CENTERS IN |
| Document Identification | MIL-F-3922/53-3 |
| Flange Connection Facility Quantity | 4 |
| 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 |
NSN 5985-00-571-8980 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 5985-00-571-8980 has 2 manufacturer part numbers on file: I2W84-01 (Microwave Devices Inc), 2836171 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2836171: Overall Height: 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN; Document Type: MILITARY SPECIFICATION; Length: 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN; Angular Displacement Between Flange Contact Surfaces in Deg: 180.0. 12 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 5985-00-571-8980 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.