The Isolator,radio Frequency Reflect, cataloged under National Stock Number 5985-01-254-9742, 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 Smiths Interconnect Inc Div Smiths Interconnect Inc - Tampa. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-254-9742 |
| Primary Part Number | 2561-1810 |
| Item Name | Isolator,radio Frequency Reflect |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Smiths Interconnect Inc Div Smiths Interconnect Inc - Tampa |
| Status | ACTIVE |
| Document Type | MILITARY SPECIFICATION |
| Length | 0.875 INCHES NOMINAL IN |
| Flange Quantity | 2 |
| Flange Type | COVER |
| Flange Connecting Hole Diameter | 0.116 INCHES NOMINAL IN |
| Identification Designator | UG-595/U |
| Frequency Range Rating | +18.0 TO 26.5 GIGAHERTZ |
| Flange Connecting Hole Spacing | SPACED 0.670 IN. BY 0.640 IN. MTG CTRS IN |
| Document Identification | MIL-F-3922 |
| Flange Connection Facility Quantity | 4 |
| Width | 0.875 INCHES NOMINAL IN |
| 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 |
|---|---|
| 2561-1810 PRIMARY | Smiths Interconnect Inc Div Smiths Interconnect Inc - Tampa (USA) |
| Reference | Meaning |
|---|---|
| 190-2045 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-01-254-9742 is a Isolator,radio Frequency Reflect, manufactured by Smiths Interconnect Inc Div Smiths Interconnect Inc - Tampa, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-254-9742 has 1 manufacturer part number on file: 2561-1810 (Smiths Interconnect Inc Div Smiths Interconnect Inc - Tampa).
Key specifications for 2561-1810: Document Type: MILITARY SPECIFICATION; Length: 0.875 INCHES NOMINAL IN; Flange Quantity: 2; Flange Type: COVER. 11 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.