The Attenuator,variable, cataloged under National Stock Number 5985-00-253-2568, 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 Anacomp, Inc.. Government technical data includes 20 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-253-2568 |
| Primary Part Number | 1018771-001 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Anacomp, Inc. |
| Status | ACTIVE |
| Shaft Type | ROUND |
| Insertion Loss at Minimum Attenuation in Maximum Decibels | 1.0 |
| Impedance Rating in Ohms | 100.0 INPUT-OUTPUT |
| Body Diameter | 1.160 INCHES MAXIMUM IN |
| Mounting Facility Type and Quantity | 1 THREADED STUD(S) |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Shaft Diameter | 0.248 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN |
| Body Style | CYLINDRICAL W/SIDE TERMINALS |
| Adjustment Device Type and Quantity | 1 SHAFT |
| Overall Attenuation Range in Decibels | +0.0 TO 30.0 |
| Criticality Code Justification | FEAT |
| Mounting Facility Screw Thread Series Designator | UNEF |
| Attenuation Variation Method | CONTINUOUS |
| Mounting Thread Quantity | 32 PER INCH |
| Shaft Length | 1.130 INCHES NOMINAL IN |
| Body Length | 1.270 INCHES MAXIMUM IN |
| Mounting Facility Nominal Screw Thread Diameter | 0.375 INCHES IN |
| Application Design | PRINTED CIRCUIT BOARD |
| Terminal Type and Quantity | 6 TAB, SOLDER LUG |
| Power Rating | 5.0 WATTS AVERAGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 1018771-001 PRIMARY | Anacomp, Inc. (USA) |
| Reference | Meaning |
|---|---|
| BAS1261-009 | 5/9 Secondary reference Crl Components Inc |
| 10066 | 5/9 Secondary reference U.S. Government activity |
| JJW99299 | 5/9 Secondary reference Rockwell Automation, Inc. Dba Rockwell Automation |
| J99299 | 5/9 Secondary reference Clarostat Sensors and Controls |
NSN 5985-00-253-2568 is a Attenuator,variable, manufactured by Anacomp, Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-253-2568 has 1 manufacturer part number on file: 1018771-001 (Anacomp, Inc.).
Key specifications for 1018771-001: Shaft Type: ROUND; Insertion Loss at Minimum Attenuation in Maximum Decibels: 1.0; Impedance Rating in Ohms: 100.0 INPUT-OUTPUT; Body Diameter: 1.160 INCHES MAXIMUM IN. 20 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 5985-00-253-2568 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.