The Attenuator,variable, cataloged under National Stock Number 5985-00-503-5757, 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 Emerson Electric Co Computer Power Div. Government technical data includes 2 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 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 | 5985-00-503-5757 |
| Primary Part Number | 751100 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Emerson Electric Co Computer Power Div |
| Status | ACTIVE |
| Overall Diameter | 4.000 INCHES NOMINAL IN |
| Attenuation Per Step in Decibels | 10.0 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 751100 PRIMARY | Emerson Electric Co Computer Power Div (USA) |
NSN 5985-00-503-5757 is a Attenuator,variable, manufactured by Emerson Electric Co Computer Power Div, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-503-5757 has 1 manufacturer part number on file: 751100 (Emerson Electric Co Computer Power Div).
1 possible match (shared part number, not a government interchangeability claim): 4410-01-388-9397. Verify interchangeability with system specifications before substitution.
Key specifications for 751100: Overall Diameter: 4.000 INCHES NOMINAL IN; Attenuation Per Step in Decibels: 10.0; Special Features: SECTION QTY-1,RESISTANCE TOLERANCE-PORM 1 PCT,TERMINAL QTY-12,TERMINAL STYLE-SOLDER LUG,O/A DEPTH 1.063 IN,IMPEDANCE RATING-50 OHMS,RESISTOR ELEMENT TYPE-COMPOSITION,MTG CONFIGURATION-FOUR 1/8 IN. DIA MTG HOLES SPACED 9/19 IN. C TO C,TERMINAL LOCATION-SIDE,STEP QTY-12,DECK QTY-1,ATTENUATION RANGE-0/120 DB,DETENT ACTION PROVIDED IN; End Item Identification: TYPE NO. SG-47/USM-16. 2 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.
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.