The Adapter,waveguide, cataloged under National Stock Number 5985-01-054-3872, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 27 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 5985-01-054-3872 |
| Primary Part Number | 2641430 |
| Item Name | Adapter,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.505 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Quantity | 1 |
| Precious Material | SILVER AND GOLD |
| Voltage Standing Wave Ratio | 1.25 |
| Adapter Overall Width | 1.625 INCHES NOMINAL IN |
| Style Designator | WAVEGUIDE TO COAXIAL |
| Waveguide Inside Width | 1.005 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 1.625 INCHES NOMINAL SINGLE FLANGE IN |
| Adapter Overall Height | 2.390 INCHES MAXIMUM IN |
| Adapter Length | 1.750 INCHES NOMINAL IN |
| Flange Connecting Hole Diameter | 0.169 INCHES NOMINAL SINGLE FLANGE ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 1.005 INCHES NOMINAL SINGLE FLANGE IN |
| Waveguide Outside Height | 1.625 INCHES NOMINAL IN |
| Waveguide Outside Width | 1.625 INCHES NOMINAL IN |
| Flange Depth | 0.750 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Outside Width | 1.625 INCHES NOMINAL SINGLE FLANGE IN |
| Surface Treatment | GOLD AND SILVER SINGLE FLANGE OUTSIDE SURFACES |
| Surface Treatment | GOLD AND SILVER SINGLE TUBING SEGMENT OUTSIDE SURFACES |
| Precious Material and Location | EXTERNAL SURFACES SILVER AND EXTERNAL SURFACES GOLD |
| Waveguide Inside Height | 0.505 INCHES NOMINAL IN |
| Adapter Height | 1.625 INCHES NOMINAL IN |
| Material | COPPER ALLOY SINGLE FLANGE |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) SINGLE FLANGE ALL CONNECTION FACILITIES |
| Flange Style | CHOKE TYPE SINGLE FLANGE |
| Coaxial Connector Series Designation | N |
| 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 |
|---|---|
| 2641430 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 60660 | Waveline Inc (USA) |
| Reference | Meaning |
|---|---|
| SP-1101X | 5/9 Secondary reference Lexan Industries, Inc Dba Struthers Electronics Div Struthers Electronics |
| 1047257 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
NSN 5985-01-054-3872 is a Adapter,waveguide, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-054-3872 has 2 manufacturer part numbers on file: 2641430 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 60660 (Waveline Inc).
5 possible matches (shared part number, not a government interchangeability claim): 5306-01-178-1463, 6515-01-253-4260, 4730-01-289-9545. Verify interchangeability with system specifications before substitution.
Key specifications for 2641430: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.505 INCHES NOMINAL SINGLE FLANGE IN; Flange Quantity: 1; Precious Material: SILVER AND GOLD. 27 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.