The Waveguide Assembly, cataloged under National Stock Number 5985-01-008-2003, 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 Naval Sea Systems Command. Government technical data includes 25 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5985-01-008-2003 |
| Primary Part Number | 2664817 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Flange Inside Height | 0.493 INCHES MINIMUM AND 0.501 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Inside Height | 0.493 INCHES MINIMUM AND 0.501 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.03 |
| Style Designator | STRAIGHT TYPE |
| Waveguide Inside Width | 1.119 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Operating Pressure | 15.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Flange Outside Height | 3.000 INCHES NOMINAL SECOND FLANGE IN |
| Flange Outside Height | 1.875 INCHES NOMINAL FIRST FLANGE IN |
| Flange Inside Width | 1.118 INCHES MINIMUM AND 1.126 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Inside Width | 1.118 INCHES MINIMUM AND 1.126 INCHES MAXIMUM SECOND FLANGE IN |
| Waveguide Length | 3.470 INCHES MINIMUM AND 3.480 INCHES MAXIMUM IN |
| Waveguide Outside Height | 0.748 INCHES MINIMUM AND 0.758 INCHES MAXIMUM IN |
| Waveguide Outside Width | 1.373 INCHES MINIMUM AND 1.383 INCHES MAXIMUM IN |
| Flange Depth | 0.625 INCHES NOMINAL FIRST FLANGE IN |
| Flange Depth | 0.250 INCHES NOMINAL SECOND FLANGE IN |
| Flange Outside Width | 1.875 INCHES NOMINAL FIRST FLANGE IN |
| Flange Outside Width | 3.750 INCHES NOMINAL SECOND FLANGE IN |
| Surface Treatment | ENAMEL ALL FLANGE OUTSIDE SURFACES |
| Waveguide Inside Height | 0.494 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) FIRST FLANGE SINGLE CONNECTION FACILITY |
| Flange Connecting Facility and Quantity | 14 THREADED HOLE(S) SECOND FLANGE SINGLE CONNECTION FACILITY |
| Flange Style | CHOKE TYPE FIRST FLANGE |
| Flange Style | CONTACT TYPE SECOND FLANGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5985-01-008-2003 is a Waveguide Assembly, manufactured by Naval Sea Systems Command, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-008-2003 has 2 manufacturer part numbers on file: 2664817 (Naval Sea Systems Command), H10-2136 (Microwave Engineering Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 3130-01-210-9474, 5340-01-579-3030. Verify interchangeability with system specifications before substitution.
Key specifications for 2664817: Flange Inside Height: 0.493 INCHES MINIMUM AND 0.501 INCHES MAXIMUM SECOND FLANGE IN; Flange Inside Height: 0.493 INCHES MINIMUM AND 0.501 INCHES MAXIMUM FIRST FLANGE IN; Flange Quantity: 2; Voltage Standing Wave Ratio: 1.03. 25 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 5985-01-008-2003 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.