The Attenuator,fixed, cataloged under National Stock Number 5985-01-307-7635, 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 Lockheed Martin Corporation Div Rotary and Mission Systems. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-307-7635 |
| Primary Part Number | 6135126-5 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Frequency Range | 0.000 HERTZ MINIMUM AND 12.000 GIGAHERTZ MAXIMUM |
| Body Style | RECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Precious Material | GOLD |
| Voltage Standing Wave Ratio | 1.20 AND 1.35 AND 1.50 |
| Input Impedance Rating in Ohms | 50.0 |
| Mounting Method | TERMINAL |
| Rf Signal Attenuation in Decibels | 0.4 |
| Surface Treatment | GOLD BODY |
| Precious Material and Location | EXTERNAL SURFACE GOLD |
| Operating Temp Range | -54.0 TO 100.0 CELSIUS DEGC |
| Voltage Standing Wave Ratio Frequency Range | +0.0 TO 4.0 GIGAHERTZ AND +4.0 TO 8.0 GIGAHERTZ AND +8.0 TO 12.0 GIGAHERTZ |
| Application Design | TRANSMISSION LINE |
| Power Rating | 1.0 WATTS AVERAGE |
| Terminal Type and Quantity | 2 RIBBON |
| 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 |
|---|---|
| 6135126-5 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| A3KI13-5 | 5/9 Secondary reference Caes Systems Llc |
NSN 5985-01-307-7635 is a Attenuator,fixed, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-307-7635 has 1 manufacturer part number on file: 6135126-5 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 6135126-5: Overall Height: 0.114 INCHES MINIMUM AND 0.124 INCHES MAXIMUM IN; FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Frequency Range: 0.000 HERTZ MINIMUM AND 12.000 GIGAHERTZ MAXIMUM; Body Style: RECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES. 16 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 5985-01-307-7635 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.