The Attenuator,fixed, cataloged under National Stock Number 5985-00-853-9088, 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 Systems Corporation. Government technical data includes 22 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-853-9088 |
| Primary Part Number | GA810M1 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Waveguide Flange Type | COVER |
| Mounting Hole/stud Quantity | 4 |
| Frequency Range | 8.200 GIGAHERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM |
| Inside Width | 1.000 INCHES NOMINAL IN |
| Body Style | RECTANGULAR, TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Precious Material | SILVER |
| Voltage Standing Wave Ratio | 1.05 |
| Waveguide Flange Designation | UG-39/U |
| Mounting Method | TERMINAL WITH MOUNTING HOLES |
| Rf Signal Attenuation in Decibels | 20.0 |
| Attenuation Accuracy in Decibels | -0.40 TO 0.40 |
| Unthreaded Mounting Hole Diameter | 0.169 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Height | 1.220 INCHES NOMINAL IN |
| Surface Treatment | SILVER BODY |
| Precious Material and Location | INTERNAL SURFACES SILVER |
| Voltage Standing Wave Ratio Frequency Range | +8.2 TO 12.4 GIGAHERTZ |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.280 INCHES NOMINAL IN |
| Application Design | WAVEGUIDE |
| Material | COPPER ALLOY BODY |
| Inside Height | 0.500 INCHES NOMINAL IN |
| Power Rating | 2.0 WATTS AVERAGE |
| Terminal Type and Quantity | 2 FLANGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| GA810M1 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 117X20DB | 5/9 Secondary reference Lexan Industries, Inc Dba Struthers Electronics Div Struthers Electronics |
| 117X20 | 3/9 Design control — primary reference Lexan Industries, Inc Dba Struthers Electronics Div Struthers Electronics |
NSN 5985-00-853-9088 is a Attenuator,fixed, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-853-9088 has 1 manufacturer part number on file: GA810M1 (Northrop Grumman Systems Corporation).
Key specifications for GA810M1: Waveguide Flange Type: COVER; Overall Height: 1.625 INCHES NOMINAL IN; Mounting Hole/stud Quantity: 4; Frequency Range: 8.200 GIGAHERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM. 22 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 5985-00-853-9088 has DEMIL Code B. 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.