The Attenuator,variable, cataloged under National Stock Number 5985-01-017-0013, 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 Northrop Grumman Support Services Corp. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-017-0013 |
| Primary Part Number | 138C312H01 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Northrop Grumman Support Services Corp |
| Status | ACTIVE |
| Insertion Loss at Minimum Attenuation in Maximum Decibels | 0.5 |
| Impedance Rating in Ohms | 50.0 INPUT |
| Frequency Range | 2.300 GIGAHERTZ MINIMUM AND 3.100 GIGAHERTZ MAXIMUM |
| Body Style | COAXIAL TYPE |
| Adjustment Device Type and Quantity | 1 SLOTTED SCREW |
| Voltage Standing Wave Ratio | 1.30 |
| Attenuation Variation Method | CONTINUOUS |
| Application Design | TRANSMISSION LINE |
| 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 |
|---|---|
| 138C312H01 PRIMARY | Northrop Grumman Support Services Corp (USA) |
| Reference | Meaning |
|---|---|
| 138C312H01 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5985-01-017-0013 is a Attenuator,variable, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-017-0013 has 1 manufacturer part number on file: 138C312H01 (Northrop Grumman Support Services Corp).
Key specifications for 138C312H01: Insertion Loss at Minimum Attenuation in Maximum Decibels: 0.5; Impedance Rating in Ohms: 50.0 INPUT; Overall Height: 2.250 INCHES NOMINAL IN; Frequency Range: 2.300 GIGAHERTZ MINIMUM AND 3.100 GIGAHERTZ MAXIMUM. 8 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 5985-01-017-0013 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.