The Adapter,waveguide, cataloged under National Stock Number 5985-00-254-7499, 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 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-254-7499 |
| Primary Part Number | 2641214 |
| 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 |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Quantity | 1 |
| Precious Material | SILVER AND GOLD |
| Style Designator | WAVEGUIDE TO COAXIAL |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Depth | 0.125 INCHES MINIMUM SINGLE FLANGE IN |
| Surface Treatment | SILVER AND GOLD AND PAINT ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES |
| Precious Material and Location | EXTERNAL SURFACES SILVER AND EXTERNAL SURFACES GOLD |
| Material | ALUMINUM ALLOY SINGLE TUBING SEGMENT AND FLANGE |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) SINGLE FLANGE SINGLE CONNECTION FACILITY |
| Flange Style | COVER TYPE SINGLE FLANGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2641214 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 2641214 | C/1 Advisory reference — outside the item-of-supply concept Lockheed Martin Corporation Div Rms - Mitchel Field |
| 1047101 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
NSN 5985-00-254-7499 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 5985-00-254-7499 has 1 manufacturer part number on file: 2641214 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 5905-01-151-8780. Verify interchangeability with system specifications before substitution.
Key specifications for 2641214: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Quantity: 1; Precious Material: SILVER AND GOLD. 12 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 5985-00-254-7499 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.