The Isolator,radio Frequency Reflect, cataloged under National Stock Number 5985-00-938-0506, 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 Frequency Electronics Inc. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-938-0506 |
| Primary Part Number | AMF4065 |
| Item Name | Isolator,radio Frequency Reflect |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Frequency Electronics Inc |
| Status | ACTIVE |
| Document Type | MILITARY SPECIFICATION |
| Length | 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN |
| Controlling Agency | OMNISPECTRA INC |
| Flange Quantity | 1 |
| Trade Designation | COAXIAL CONNECTOR FEMALE |
| Flange Type | CHOKE |
| Identifying Number | OSM MODEL NO. |
| Flange Connecting Hole Diameter | 0.164 INCHES MINIMUM AND 0.174 INCHES MAXIMUM IN |
| Identification Designator | TYPE UG-136B/U MODIFIED |
| Connector Quantity | 1 |
| Frequency Range Rating | +8.0 TO 11.0 GIGAHERTZ |
| Flange Connecting Hole Spacing | SPACED ON 1.220 IN. BY 1.280 IN. MTG CENTERS IN |
| Document Identification | MIL-F-3922/59 |
| 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 |
| Part Number | Manufacturer |
|---|---|
| AMF4065 PRIMARY | Frequency Electronics Inc (USA) |
| 2835288 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| AMF4065 | 3/9 Design control — primary reference Fei Microwave Inc |
| IHX2828 | 5/9 Secondary reference Crane Electronics, Inc. Dba Stc Microwave Systems Div Signal Technology Corporation |
NSN 5985-00-938-0506 is a Isolator,radio Frequency Reflect, manufactured by Frequency Electronics Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-938-0506 has 2 manufacturer part numbers on file: AMF4065 (Frequency Electronics Inc), 2835288 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for AMF4065: Overall Height: 2.593 INCHES NOMINAL IN; Document Type: MILITARY SPECIFICATION; Length: 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN; Controlling Agency: OMNISPECTRA INC. 15 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 5985-00-938-0506 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.