The Adapter,waveguide, cataloged under National Stock Number 5985-01-271-7248, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 30 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-271-7248 |
| Item Name | Adapter,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| FSC Application Data | RADAR EQUIPMENT |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.139 INCHES MINIMUM AND 0.141 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Inside Height | 0.222 INCHES MINIMUM AND 0.223 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Quantity | 2 |
| Precious Material | GOLD AND SILVER |
| Voltage Standing Wave Ratio | 1.10 |
| Style Designator | WAVEGUIDE TO WAVEGUIDE |
| Flange Inside Diameter | 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM FIRST FLANGE IN |
| Waveguide Inside Width | 0.279 INCHES MINIMUM AND 0.282 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Outside Height | 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM SECOND FLANGE IN |
| Adapter Length | 7.874 INCHES MINIMUM AND 7.875 INCHES MAXIMUM IN |
| Flange Connecting Hole Diameter | 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM SECOND FLANGE SECOND CONNECTION FACILITY IN |
| Flange Inside Width | 0.279 INCHES MINIMUM AND 0.281 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Inside Width | 0.362 INCHES MINIMUM AND 0.363 INCHES MAXIMUM SECOND FLANGE IN |
| Thread Direction | RIGHT-HAND SECOND FLANGE FIRST CONNECTION FACILITY |
| Thread Direction | RIGHT-HAND FIRST FLANGE SINGLE CONNECTION FACILITY |
| Nominal Thread Size | 0.112 INCHES FIRST FLANGE SINGLE CONNECTION FACILITY IN |
| Nominal Thread Size | 0.112 INCHES SECOND FLANGE FIRST CONNECTION FACILITY IN |
| Waveguide Outside Height | 0.218 INCHES MINIMUM AND 0.222 INCHES MAXIMUM IN |
| Waveguide Outside Width | 0.358 INCHES MINIMUM AND 0.362 INCHES MAXIMUM IN |
| Flange Depth | 0.195 INCHES MINIMUM AND 0.225 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Depth | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Outside Width | 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Outside Width | 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM SECOND FLANGE IN |
| Tubing Twist Type | STRAIGHT TWIST SINGLE TUBING SEGMENT |
| Tubing Twist Angle in Deg | 90.0 SINGLE TUBING SEGMENT |
| Insertion Loss in Decibels | 0.20 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| BAS24336 | 5/9 Secondary reference U.S. Government activity |
| MA57457 | 5/9 Secondary reference Te Connectivity Corporation |
| MA57457 | 5/9 Secondary reference Frontgrade Technologies Inc. |
| BAS24336 | 3/9 Design control — primary reference U.S. Government activity |
| BAS24336 | C/1 Advisory reference — outside the item-of-supply concept Textron Systems Corporation Dba Textron Systems Corp |
| MA57457 | 5/9 Secondary reference M/a-Com Inc |
| MA57457 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-01-271-7248 is a Adapter,waveguide, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-01-271-7248: FSC Application Data: RADAR EQUIPMENT; Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.139 INCHES MINIMUM AND 0.141 INCHES MAXIMUM FIRST FLANGE IN; Flange Inside Height: 0.222 INCHES MINIMUM AND 0.223 INCHES MAXIMUM SECOND FLANGE IN. 30 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 5985-01-271-7248 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.