The Attenuator,fixed, cataloged under National Stock Number 5985-01-465-1740, 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 Us Army Aviation and Missile Command. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-465-1740 |
| Primary Part Number | 11439281-3 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Frequency Range | 0.000 HERTZ MINIMUM AND 12.000 GIGAHERTZ MAXIMUM |
| Overall Diameter | 0.248 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Precious Material | GOLD |
| Voltage Standing Wave Ratio | 1.30 AND 1.50 |
| Input Impedance Rating in Ohms | 50.0 |
| Rf Signal Attenuation in Decibels | 17.0 |
| Precious Material and Location | CASE GOLD |
| Operating Temp Range | -45.6 TO 71.0 CELSIUS DEGC |
| Application Design | TRANSMISSION LINE |
| Material | COPPER ALLOY OR COPPER BODY |
| Power Rating | 100.0 WATTS AVERAGE |
| Terminal Type and Quantity | 2 PIN |
| Output Impedance Rating in Ohms | 50.0 |
| 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 |
|---|---|
| 11439281-3 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 11439281-3 | 5/9 Secondary reference Caes Systems Llc |
| 11439281 | D/9 Drawing number reference only Us Army Aviation and Missile Command |
NSN 5985-01-465-1740 is a Attenuator,fixed, manufactured by Us Army Aviation and Missile Command, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-465-1740 has 1 manufacturer part number on file: 11439281-3 (Us Army Aviation and Missile Command).
1 possible match (shared part number, not a government interchangeability claim): 5985-01-465-1744. Verify interchangeability with system specifications before substitution.
Key specifications for 11439281-3: Frequency Range: 0.000 HERTZ MINIMUM AND 12.000 GIGAHERTZ MAXIMUM; Overall Diameter: 0.248 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN; Precious Material: GOLD; Voltage Standing Wave Ratio: 1.30 AND 1.50. 13 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 5985-01-465-1740 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.