The Isolator,radio Frequency Reflect, cataloged under National Stock Number 5985-01-087-4051, 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 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-087-4051 |
| Primary Part Number | 3148261 |
| 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 |
| Flange Quantity | 2 |
| Flange Type | CHOKE |
| Flange Connecting Hole Diameter | 0.164 INCHES NOMINAL IN |
| Frequency Range Rating | +8.9 TO 9.4 GIGAHERTZ |
| Flange Connecting Hole Spacing | SPACED ON 1.420 IN. BY 1.420 IN. MTG CENTERS IN |
| Flange Connection Facility Quantity | 4 |
| Flange Connecting Hole Thread Size | 8-32 |
| 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 |
|---|---|
| X1013LTI | E and M Laboratories Div of Trak Microwave Corp (USA) |
| 3148261 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| FIW-2306/15591 | Merrimac Industries, Inc (USA) |
NSN 5985-01-087-4051 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 5985-01-087-4051 has 3 manufacturer part numbers on file: X1013LTI (E and M Laboratories Div of Trak Microwave Corp), 3148261 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), FIW-2306/15591 (Merrimac Industries, Inc).
Key specifications for 3148261: Overall Height: 1.500 INCHES NOMINAL IN; Flange Quantity: 2; Flange Type: CHOKE; Overall Length: 3.000 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.
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.