The Isolator,radio Frequency Reflect, cataloged under National Stock Number 5985-01-303-6147, 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 Space Machine & Engineering Corp. Dba Space Machine & Engineering Corp. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-303-6147 |
| Primary Part Number | 654VE7444-4 |
| Item Name | Isolator,radio Frequency Reflect |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Space Machine & Engineering Corp. Dba Space Machine & Engineering Corp |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIP. |
| Flange Quantity | 2 |
| Precious Material | SILVER |
| Flange Type | COVER |
| Supplementary Features | 20.0DB MIN ISOLATION,1.0DB MAX INSERTION LOSS,1.15 MAX INPUT VSWR,10.0W AVG,2.0KW PEAK,50.0 OHMS IMPD,M25.0 TO P65.0 DEG C OPER TEMP RANGE,BRASS MATL WAVEGUIDE AND FLANGE W |
| Diameter | 3.110 INCHES MINIMUM AND 3.140 INCHES MAXIMUM IN |
| Flange Connecting Hole Diameter | 0.199 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN |
| Frequency Range Rating | +5.85 TO 8.20 GIGAHERTZ |
| Flange Connecting Hole Spacing | SPACED 60 DEG APART ON 2.750 DIA BLT CIR |
| Flange Connection Facility Quantity | 6 |
| Precious Material and Location | EXT SURFACES WAVEGUIDE AND FLANGE SILVER |
| Width | 0.360 INCHES MINIMUM AND 0.390 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 |
|---|---|
| 654VE7444-4 | Space Machine & Engineering Corp. Dba Space Machine & Engineering Corp (USA) |
| 654VE7444-4 | Amphenol Corporation Div Amphenol Rf (USA) |
| Reference | Meaning |
|---|---|
| 654VE7444-4 | 3/2 Design control — primary reference U.S. Government activity |
| C157A | 5/9 Secondary reference Microlab/fxr Llc |
NSN 5985-01-303-6147 is a Isolator,radio Frequency Reflect, manufactured by Space Machine & Engineering Corp. Dba Space Machine & Engineering Corp, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-303-6147 has 2 manufacturer part numbers on file: 654VE7444-4 (Space Machine & Engineering Corp. Dba Space Machine & Engineering Corp), 654VE7444-4 (Amphenol Corporation Div Amphenol Rf).
Key specifications for 654VE7444-4: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIP.; Flange Quantity: 2; Precious Material: SILVER; Flange Type: COVER. 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 5985-01-303-6147 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.