The Attenuator,variable, cataloged under National Stock Number 5985-01-054-6697, 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 L3harris Technologies, Inc.. Government technical data includes 27 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-054-6697 |
| Primary Part Number | 5518437G001 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | L3harris Technologies, Inc. |
| Status | ACTIVE |
| Shaft Type | ROUND |
| Insertion Loss at Minimum Attenuation in Maximum Decibels | 0.3 |
| Impedance Rating in Ohms | 50.0 INPUT-OUTPUT |
| Mounting Facility Type and Quantity | 4 THREADED HOLE(S) |
| Frequency Range | 0.000 GIGAHERTZ MINIMUM AND 2.000 GIGAHERTZ MAXIMUM |
| Shaft Diameter | 0.250 INCHES NOMINAL IN |
| Body Style | COAXIAL TYPE |
| Adjustment Device Type and Quantity | 1 SHAFT |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.120 INCHES NOMINAL IN |
| Overall Attenuation Range in Decibels | +0.0 TO 10.0 |
| Voltage Standing Wave Ratio | 1.20 |
| Mounting Facility Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Overall Attenuation Accuracy in Decibels | -0.10 TO 0.50 |
| Scale Linearity | LINEAR |
| Attenuation Per Step in Decibels | 1.0 |
| Attenuation Variation Method | STEPPED |
| Mounting Thread Quantity | 32 PER INCH |
| Shaft Length | 0.750 INCHES NOMINAL IN |
| Scale Division Quantity | 10 |
| Mounting Facility Nominal Screw Thread Diameter | 0.164 INCHES IN |
| Vernier Scale Division Quantity | 10 |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.120 INCHES NOMINAL IN |
| Application Design | TRANSMISSION LINE |
| Terminal Type and Quantity | 2 CONNECTOR, COAXIAL, MALE |
| Power Rating | 1.0 KILOWATTS PEAK |
| Step Position Quantity | 10 |
| Coaxial Connector Series Designation | TNC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5518437G001 PRIMARY | L3harris Technologies, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 5518437 | 5/9 Secondary reference L3harris Technologies, Inc. |
NSN 5985-01-054-6697 is a Attenuator,variable, manufactured by L3harris Technologies, Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-054-6697 has 1 manufacturer part number on file: 5518437G001 (L3harris Technologies, Inc.).
Key specifications for 5518437G001: Shaft Type: ROUND; Insertion Loss at Minimum Attenuation in Maximum Decibels: 0.3; Impedance Rating in Ohms: 50.0 INPUT-OUTPUT; Mounting Facility Type and Quantity: 4 THREADED HOLE(S). 27 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 5985-01-054-6697 has DEMIL Code B. 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.