The Attenuator,variable, cataloged under National Stock Number 5985-00-476-7313, 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 Hewlett-Packard Company Dba HP. Government technical data includes 26 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-476-7313 |
| Primary Part Number | 33304D0PT055 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Hewlett-Packard Company Dba HP |
| Status | ACTIVE |
| Insertion Loss at Minimum Attenuation in Maximum Decibels | 0.9 |
| Impedance Rating in Ohms | 50.0 INPUT-OUTPUT |
| Mounting Facility Type and Quantity | 6 THREADED HOLE(S) |
| Frequency Range | 0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM |
| Body Style | COAXIAL TYPE |
| Attenuation Accuracy Reference Frequency | 18.0 GIGAHERTZ |
| Mounting Facility Pattern | FOUR POSITION RECTANGULAR |
| Segment Attenuation Accuracy in Decibels | -0.12 TO 0.12 AND -0.30 TO 0.30 AND -0.50 TO 0.50 |
| Adjustment Device Type and Quantity | 1 MOTOR |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 8.376 INCHES MAXIMUM IN |
| Overall Attenuation Range in Decibels | +1.0 TO 11.0 |
| Voltage Standing Wave Ratio | 1.50 |
| Segment Attenuation Range in Decibels | +0.20 TO 0.50 AND +0.30 TO 0.60 AND +0.40 TO 0.90 |
| Mounting Facility Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Overall Attenuation Accuracy in Decibels | -0.50 TO 0.50 |
| Attenuation Per Step in Decibels | 1.0 |
| Attenuation Variation Method | STEPPED |
| Mounting Thread Quantity | 32 PER INCH |
| Mounting Facility Nominal Screw Thread Diameter | 0.138 INCHES IN |
| Operating Temp Range | -0.0 TO 55.0 CELSIUS DEGC |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.100 INCHES MAXIMUM IN |
| Application Design | TRANSMISSION LINE |
| Terminal Type and Quantity | 2 CONNECTOR, COAXIAL, FEMALE |
| Power Rating | 2.0 WATTS AVERAGE AND 500.0 WATTS PEAK |
| Step Position Quantity | 11 |
| Coaxial Connector Series Designation | BNC |
| 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 |
|---|---|
| 33304D0PT055 PRIMARY | Hewlett-Packard Company Dba HP (USA) |
| 1971971-1 | Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div (USA) |
| Reference | Meaning |
|---|---|
| 1971971-1 | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems |
NSN 5985-00-476-7313 is a Attenuator,variable, manufactured by Hewlett-Packard Company Dba HP, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-476-7313 has 2 manufacturer part numbers on file: 33304D0PT055 (Hewlett-Packard Company Dba HP), 1971971-1 (Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div).
Key specifications for 33304D0PT055: Insertion Loss at Minimum Attenuation in Maximum Decibels: 0.9; Impedance Rating in Ohms: 50.0 INPUT-OUTPUT; Mounting Facility Type and Quantity: 6 THREADED HOLE(S); Overall Height: 1.240 INCHES MAXIMUM IN. 26 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 5985-00-476-7313 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.