The Attenuator,fixed, cataloged under National Stock Number 5985-00-401-1897, 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 Ward Leonard Ct Llc. Government technical data includes 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-401-1897 |
| Primary Part Number | TR641845 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Ward Leonard Ct Llc |
| Status | ACTIVE |
| Frequency Range | 8.200 GIGAHERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM |
| Body Style | RECTANGULAR, TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Voltage Standing Wave Ratio | 1.20 |
| Mounting Method | TERMINAL WITH MOUNTING HOLES |
| Rf Signal Attenuation in Decibels | 19.0 |
| Attenuation Accuracy in Decibels | -0.20 TO 0.20 |
| Voltage Standing Wave Ratio Frequency Range | +0.0 TO 3.4 GIGAHERTZ |
| Application Design | WAVEGUIDE |
| Power Rating | 1.0 WATTS AVERAGE |
| Terminal Type and Quantity | 2 FLANGE |
| 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 |
|---|---|
| TR641845 PRIMARY | Ward Leonard Ct Llc (USA) |
| 60544P2 PRIMARY | Waveline Inc (USA) |
| Reference | Meaning |
|---|---|
| 580R917H02 | 3/2 Design control — primary reference U.S. Government activity |
| 682-1056 | 1/2 Source control — Government-approved source U.S. Government activity |
| TR641845 | 5/9 Secondary reference Ward Leonard Ct Llc |
NSN 5985-00-401-1897 is a Attenuator,fixed, manufactured by Ward Leonard Ct Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-401-1897 has 2 manufacturer part numbers on file: TR641845 (Ward Leonard Ct Llc), 60544P2 (Waveline Inc).
Key specifications for TR641845: Frequency Range: 8.200 GIGAHERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM; Body Style: RECTANGULAR, TERMINAL/TERMINALS ON OPPOSITE SURFACES; Voltage Standing Wave Ratio: 1.20; Mounting Method: TERMINAL WITH MOUNTING HOLES. 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.
NSN 5985-00-401-1897 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.