The Waveguide Assembly, cataloged under National Stock Number 5985-00-953-9128, 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 Keysight Technologies Inc. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-00-953-9128 |
| Primary Part Number | CAQIS910A |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Quantity | 1 |
| Style Designator | STRAIGHT TYPE |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 2.875 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Connecting Hole Diameter | 0.250 INCHES NOMINAL SINGLE FLANGE SINGLE CONNECTION FACILITY IN |
| Waveguide Length | 10.000 INCHES NOMINAL IN |
| Waveguide Outside Height | 1.900 INCHES NOMINAL IN |
| Waveguide Outside Width | 3.000 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE ALL TUBING SEGMENT AND FLANGE ALL SURFACES |
| Surface Treatment | ANODIZE SINGLE TUBING SEGMENT INSIDE SURFACES |
| Waveguide Inside Height | 1.375 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY SINGLE TUBING SEGMENT |
| Flange Connecting Facility and Quantity | 8 UNTHREADED HOLE(S) SINGLE FLANGE FIRST CONNECTION FACILITY |
| Flange Outside Diameter | 5.312 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Style | CHOKE TYPE SINGLE FLANGE |
| 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 |
|---|---|
| CAQIS910A PRIMARY | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| CAQIS910A | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| CAQIS910A | 3/9 Design control — primary reference Keysight Technologies, Inc. |
NSN 5985-00-953-9128 is a Waveguide Assembly, manufactured by Keysight Technologies Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-953-9128 has 1 manufacturer part number on file: CAQIS910A (Keysight Technologies Inc).
Key specifications for CAQIS910A: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Quantity: 1; Style Designator: STRAIGHT TYPE; Flexibility: RIGID SINGLE TUBING SEGMENT. 17 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.