The Attenuator,variable, cataloged under National Stock Number 5985-00-549-9630, 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 Waveline Inc. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-549-9630 |
| Primary Part Number | 60910 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Waveline Inc |
| Status | ACTIVE |
| Waveguide Flange Type | CHOKE |
| Mounting Facility Type and Quantity | 4 TERMINAL WITH MOUNTING HOLES |
| Frequency Range | 8.200 GIGAHERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM |
| Body Style | WAVEGUIDE TYPE |
| Mounting Facility Pattern | FOUR POSITION RECTANGULAR |
| Adjustment Device Type and Quantity | 1 KNOB |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.280 INCHES NOMINAL IN |
| Overall Attenuation Range in Decibels | +0.2 TO 10.0 |
| Voltage Standing Wave Ratio | 1.20 |
| Waveguide Flange Designation | UG-136B/U |
| Unthreaded Mounting Hole Diameter | 0.144 INCHES MINIMUM AND 0.147 INCHES MAXIMUM IN |
| Mounting Facility Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Attenuation Variation Method | CONTINUOUS |
| Mounting Thread Quantity | 32 PER INCH |
| Mounting Facility Nominal Screw Thread Diameter | 0.164 INCHES IN |
| Operating Temp Range | +0.0 TO 71.0 CELSIUS DEGC |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.220 INCHES NOMINAL IN |
| Application Design | WAVEGUIDE |
| Terminal Type and Quantity | 2 FLANGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5985-00-549-9630 is a Attenuator,variable, manufactured by Waveline Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-549-9630 has 2 manufacturer part numbers on file: 60910 (Waveline Inc), 2131810-1 (Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div).
3 possible matches (shared part number, not a government interchangeability claim): 1650-01-114-0935, 1650-01-122-7091, 5995-01-163-7212. Verify interchangeability with system specifications before substitution.
Key specifications for 60910: Waveguide Flange Type: CHOKE; Mounting Facility Type and Quantity: 4 TERMINAL WITH MOUNTING HOLES; Overall Height: 1.625 INCHES NOMINAL IN; Frequency Range: 8.200 GIGAHERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM. 19 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 5985-00-549-9630 has DEMIL Code Q. 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.