The Waveguide Assembly, cataloged under National Stock Number 5985-00-519-9181, 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 Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 23 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-519-9181 |
| Primary Part Number | 615610REVD |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.872 INCHES NOMINAL ALL FLANGES IN |
| Flange Quantity | 2 |
| Precious Material | RHODIUM AND SILVER |
| Style Designator | BEND TYPE |
| Waveguide Offset Distance | 6.750 INCHES NOMINAL IN |
| Flexibility | FLEXIBLE SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 1.872 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Inside Width | 1.872 INCHES NOMINAL ALL FLANGES IN |
| Thread Direction | RIGHT-HAND ALL FLANGES ALL CONNECTION FACILITIES |
| Nominal Thread Size | 0.164 INCHES ALL FLANGES ALL CONNECTION FACILITIES IN |
| Waveguide Outside Height | 1.000 INCHES NOMINAL IN |
| Waveguide Outside Width | 2.000 INCHES NOMINAL IN |
| Precious Material and Location | TUBING INSIDE SURFACE RHODIUM AND TUBING INSIDE SURFACE SILVER |
| Waveguide Inside Height | 0.872 INCHES NOMINAL IN |
| Thread Class | 2A ALL FLANGES ALL CONNECTION FACILITIES A |
| Material | COPPER ALLOY SINGLE TUBING SEGMENT |
| Flange Connecting Facility and Quantity | 8 THREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES |
| Flange Outside Diameter | 3.750 INCHES NOMINAL ALL FLANGES IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) ALL FLANGES ALL CONNECTION FACILITIES |
| Flange Style | CHOKE TYPE ALL FLANGES |
| Waveguide Longer Offset Distance | 1.187 FEET NOMINAL FT |
| 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 |
|---|---|
| 615610REVD PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
NSN 5985-00-519-9181 is a Waveguide Assembly, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-519-9181 has 1 manufacturer part number on file: 615610REVD (Lockheed Martin Corporation Div Rms - Mitchel Field).
Key specifications for 615610REVD: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.872 INCHES NOMINAL ALL FLANGES IN; Flange Quantity: 2; Precious Material: RHODIUM AND SILVER. 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.
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.