The Adapter,waveguide, cataloged under National Stock Number 5985-00-330-9882, 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. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5985-00-330-9882 |
| Primary Part Number | 7759987P1REVA |
| Item Name | Adapter,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| FSC Application Data | RADAR EQUIPMENT |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 1.502 INCHES MINIMUM SINGLE FLANGE IN |
| Flange Quantity | 1 |
| Voltage Standing Wave Ratio | 1.25 |
| Adapter Diameter | 5.298 INCHES MINIMUM AND 5.328 INCHES MAXIMUM IN |
| Style Designator | WAVEGUIDE TO COAXIAL |
| Waveguide Inside Width | 2.834 INCHES MINIMUM AND 2.846 INCHES MAXIMUM IN |
| Connector End Design | FEMALE |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Adapter Overall Height | 4.375 INCHES MINIMUM AND 4.405 INCHES MAXIMUM IN |
| Adapter Length | 2.485 INCHES MINIMUM AND 2.515 INCHES MAXIMUM IN |
| Flange Connecting Hole Diameter | 0.257 INCHES MINIMUM SINGLE FLANGE SINGLE CONNECTION FACILITY IN |
| Flange Inside Width | 3.002 INCHES MINIMUM SINGLE FLANGE IN |
| Waveguide Outside Height | 1.494 INCHES MINIMUM AND 1.506 INCHES MAXIMUM IN |
| Waveguide Outside Width | 2.994 INCHES MINIMUM AND 3.006 INCHES MAXIMUM IN |
| Flange Depth | 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM SINGLE FLANGE IN |
| Waveguide Inside Height | 1.334 INCHES MINIMUM AND 1.346 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY SINGLE TUBING SEGMENT AND FLANGE |
| Flange Connecting Facility and Quantity | 8 UNTHREADED HOLE(S) SINGLE FLANGE SINGLE CONNECTION FACILITY |
| Flange Outside Diameter | 5.298 INCHES MINIMUM AND 5.328 INCHES MAXIMUM SINGLE FLANGE IN |
| Flange Style | COVER 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 |
| Part Number | Manufacturer |
|---|---|
| 7759987P1REVA PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| S601C | Microlab/fxr Llc (USA) |
| Reference | Meaning |
|---|---|
| S601B | 5/9 Secondary reference Microlab/fxr Llc |
| 614A | 5/2 Secondary reference U.S. Government activity |
NSN 5985-00-330-9882 is a Adapter,waveguide, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-330-9882 has 2 manufacturer part numbers on file: 7759987P1REVA (Lockheed Martin Corporation Div Rms), S601C (Microlab/fxr Llc).
2 possible matches (shared part number, not a government interchangeability claim): 6625-00-351-5958, 5120-01-474-0300. Verify interchangeability with system specifications before substitution.
Key specifications for 7759987P1REVA: FSC Application Data: RADAR EQUIPMENT; Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 1.502 INCHES MINIMUM SINGLE FLANGE IN; Flange Quantity: 1. 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 5985-00-330-9882 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.