The Attenuator,fixed, cataloged under National Stock Number 5985-00-952-8961, 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 Ar Worldwide Reciever Systems Llc. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-00-952-8961 |
| Primary Part Number | 90513-4 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Ar Worldwide Reciever Systems Llc |
| Status | ACTIVE |
| Mounting Hole/stud Quantity | 1 |
| Frequency Range | 0.000 HERTZ MINIMUM AND 1.000 GIGAHERTZ MAXIMUM |
| Input Impedance Rating in Ohms | 200.0 |
| Mounting Method | UNTHREADED HOLE(S) |
| Rf Signal Attenuation in Decibels | 4.0 |
| Attenuation Accuracy in Decibels | -4.00 TO 4.00 |
| Unthreaded Mounting Hole Diameter | 0.750 INCHES NOMINAL IN |
| Application Design | TRANSMISSION LINE |
| Power Rating | 1.0 WATTS AVERAGE |
| Output Impedance Rating in Ohms | 200.0 |
| 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 |
|---|---|
| 90513-4 PRIMARY | Ar Worldwide Reciever Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| 90513-4 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-00-952-8961 is a Attenuator,fixed, manufactured by Ar Worldwide Reciever Systems Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-952-8961 has 1 manufacturer part number on file: 90513-4 (Ar Worldwide Reciever Systems Llc).
Key specifications for 90513-4: Mounting Hole/stud Quantity: 1; Frequency Range: 0.000 HERTZ MINIMUM AND 1.000 GIGAHERTZ MAXIMUM; Input Impedance Rating in Ohms: 200.0; Mounting Method: UNTHREADED HOLE(S). 10 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.