The Attenuator,variable, cataloged under National Stock Number 5985-00-458-9269, 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 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-458-9269 |
| Primary Part Number | 10554948 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Insertion Loss at Minimum Attenuation in Maximum Decibels | 0.2 |
| Impedance Rating in Ohms | 50.0 INPUT-OUTPUT |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) |
| Frequency Range | 0.000 GIGAHERTZ MINIMUM AND 1.000 GIGAHERTZ MAXIMUM |
| Body Style | COAXIAL TYPE |
| Mounting Facility Pattern | TWO POSITION IN-LINE |
| Adjustment Device Type and Quantity | 2 KNOB |
| Overall Attenuation Range in Decibels | +0.0 TO 99.0 |
| Voltage Standing Wave Ratio | 1.20 AND 1.40 |
| Unthreaded Mounting Hole Diameter | 0.172 INCHES NOMINAL IN |
| Overall Attenuation Accuracy in Decibels | -1.50 TO 1.50 |
| Attenuation Per Step in Decibels | 1.0 AND 10.0 |
| Attenuation Variation Method | STEPPED |
| Distance Between Mounting Facility Centers | 3.453 INCHES NOMINAL IN |
| Test Data Document | 19200-10554948 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Application Design | TRANSMISSION LINE |
| Terminal Type and Quantity | 2 CONNECTOR, COAXIAL, MALE |
| Power Rating | 1.0 WATTS AVERAGE |
| Step Position Quantity | 18 |
| Coaxial Connector Series Designation | BNC |
| 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 |
|---|---|
| 10554948 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| Reference | Meaning |
|---|---|
| 434A | 5/9 Secondary reference U.S. Government activity |
NSN 5985-00-458-9269 is a Attenuator,variable, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-458-9269 has 1 manufacturer part number on file: 10554948 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
2 possible matches (shared part number, not a government interchangeability claim): 5310-01-063-8970, 5962-01-081-9696. Verify interchangeability with system specifications before substitution.
Key specifications for 10554948: Insertion Loss at Minimum Attenuation in Maximum Decibels: 0.2; Impedance Rating in Ohms: 50.0 INPUT-OUTPUT; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S); Overall Height: 2.750 INCHES NOMINAL IN. 20 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.