The Isolator,radio Frequency Reflect, cataloged under National Stock Number 5985-00-818-0499, 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 Cascade Corp. Government technical data includes 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-818-0499 |
| Primary Part Number | XL1511 |
| Item Name | Isolator,radio Frequency Reflect |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Cascade Corp |
| Status | ACTIVE |
| FSC Application Data | 1.GRADAR3SET,0REMOTE7CONTROL0SYSTEM,OGUIDED1MISSILE |
| Length | 1.875 INCHES NOMINAL IN |
| Flange Type | CHOKE |
| Flange Connecting Hole Diameter | 0.164 INCHES NOMINAL IN |
| Connector Quantity | 2 |
| Frequency Range Rating | +8500.0 TO 9600.0 MEGAHERTZ |
| Flange Connecting Hole Spacing | SPACED ON 1.352 IN. BY 1.474 IN. MTG CENTERS IN |
| Flange Connection Facility Quantity | 4 |
| Flange Connecting Hole Thread Size | 0.164-32 |
| Width | 1.875 INCHES NOMINAL 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 |
|---|---|
| 575R555H01 | Westinghouse Electric Corp (USA) |
| XL1511 PRIMARY | Cascade Corp (USA) |
| Reference | Meaning |
|---|---|
| 334127 | C/1 Advisory reference — outside the item-of-supply concept Atlantic Microwave Corporation Div Cobham Electronic Systems |
| 334127 | 5/9 Secondary reference U.S. Government activity |
| I460H | 5/9 Secondary reference U.S. Government activity |
NSN 5985-00-818-0499 is a Isolator,radio Frequency Reflect, manufactured by Cascade Corp, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-818-0499 has 2 manufacturer part numbers on file: 575R555H01 (Westinghouse Electric Corp), XL1511 (Cascade Corp).
Key specifications for XL1511: Overall Height: 1.915 INCHES NOMINAL IN; FSC Application Data: 1.GRADAR3SET,0REMOTE7CONTROL0SYSTEM,OGUIDED1MISSILE; Length: 1.875 INCHES NOMINAL IN; Flange Type: CHOKE. 10 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 5985-00-818-0499 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.