The Adapter,waveguide, cataloged under National Stock Number 5985-00-062-6919, 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 Alliant Techsystems Operations Llc Div Defense Electronic Systems. Government technical data includes 23 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-062-6919 |
| Primary Part Number | 2604622-4 |
| Item Name | Adapter,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Alliant Techsystems Operations Llc Div Defense Electronic Systems |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.700 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Quantity | 1 |
| Voltage Standing Wave Ratio | 1.30 |
| Style Designator | WAVEGUIDE TO COAXIAL |
| Waveguide Inside Width | 1.480 INCHES NOMINAL IN |
| Connector End Design | FEMALE |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR DOUBLE RIDGED EXTERNAL, RECTANGULAR |
| Adapter Overall Height | 2.198 INCHES NOMINAL IN |
| Adapter Length | 5.230 INCHES NOMINAL IN |
| Flange Connecting Hole Diameter | 0.144 INCHES NOMINAL SINGLE FLANGE FIRST CONNECTION FACILITY IN |
| Flange Inside Width | 1.568 INCHES NOMINAL SINGLE FLANGE IN |
| Thread Direction | RIGHT-HAND SINGLE FLANGE SECOND CONNECTION FACILITY |
| Nominal Thread Size | 0.138 INCHES SINGLE FLANGE SECOND CONNECTION FACILITY IN |
| Flange Outside Width | 1.525 INCHES NOMINAL SINGLE FLANGE IN |
| Waveguide Inside Height | 0.688 INCHES NOMINAL IN |
| Thread Class | 2B SINGLE FLANGE SECOND CONNECTION FACILITY |
| Thread Quantity Per Inch | 32 SINGLE FLANGE SECOND CONNECTION FACILITY |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) SINGLE FLANGE FIRST CONNECTION FACILITY |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) SINGLE FLANGE SECOND CONNECTION FACILITY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE FLANGE SECOND CONNECTION FACILITY |
| Flange Style | CONTACT, DOUBLE RIDGE TYPE SINGLE FLANGE |
| Coaxial Connector Series Designation | N |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5985-00-062-6919 is a Adapter,waveguide, manufactured by Alliant Techsystems Operations Llc Div Defense Electronic Systems, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-062-6919 has 2 manufacturer part numbers on file: TDR-29011 (Microwave Engineering Corporation), 2604622-4 (Alliant Techsystems Operations Llc Div Defense Electronic Systems).
Key specifications for 2604622-4: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.700 INCHES NOMINAL SINGLE FLANGE IN; Flange Quantity: 1; Voltage Standing Wave Ratio: 1.30. 23 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 5985-00-062-6919 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.