The Waveguide Assembly, cataloged under National Stock Number 5985-01-271-7250, 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 Space Machine & Engineering Corp. Dba Space Machine & Engineering Corp. Government technical data includes 30 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-271-7250 |
| Primary Part Number | 17-19093-1 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Space Machine & Engineering Corp. Dba Space Machine & Engineering Corp |
| Status | ACTIVE |
| FSC Application Data | RADAR EQUIPMENT |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.222 INCHES MINIMUM FIRST FLANGE IN |
| Flange Inside Height | 0.222 INCHES MINIMUM SECOND FLANGE IN |
| Flange Quantity | 2 |
| Precious Material | SILVER |
| Voltage Standing Wave Ratio | 1.10 |
| Style Designator | STRAIGHT TYPE |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 0.279 INCHES MINIMUM AND 0.282 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Operating Pressure | 30.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Flange Outside Height | 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Connecting Hole Diameter | 0.116 INCHES MINIMUM FIRST FLANGE SINGLE CONNECTION FACILITY IN |
| Flange Inside Width | 0.362 INCHES MINIMUM FIRST FLANGE IN |
| Flange Inside Width | 0.362 INCHES MINIMUM SECOND FLANGE IN |
| Waveguide Length | 1.593 FEET MINIMUM AND 1.595 FEET MAXIMUM FT |
| 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 | 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Outside Width | 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM FIRST FLANGE IN |
| Insertion Loss in Decibels | 0.50 |
| Surface Treatment | SILVER SINGLE TUBING SEGMENT AND FLANGE INSIDE SURFACES |
| Surface Treatment | PRIMER AND ENAMEL SINGLE TUBING SEGMENT AND FLANGE OUTSIDE SURFACES |
| Precious Material and Location | INTERNAL SURFACES SILVER |
| Waveguide Inside Height | 0.139 INCHES MINIMUM AND 0.142 INCHES MAXIMUM IN |
| Material | COPPER ALLOY SINGLE TUBING SEGMENT AND FLANGE |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) FIRST FLANGE SINGLE CONNECTION FACILITY |
| Flange Style | COVER TYPE FIRST FLANGE |
| Flange Style | COVER TYPE SECOND 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 |
|---|---|
| 17-19093-1 PRIMARY | Space Machine & Engineering Corp. Dba Space Machine & Engineering Corp (USA) |
| 17-19093-1 | Omega Laboratories Inc (USA) |
| Reference | Meaning |
|---|---|
| 17-19093-1 | 3/9 Design control — primary reference U.S. Government activity |
| 17-19093-1 | C/1 Advisory reference — outside the item-of-supply concept Textron Systems Corporation Dba Textron Systems Corp |
NSN 5985-01-271-7250 is a Waveguide Assembly, manufactured by Space Machine & Engineering Corp. Dba Space Machine & Engineering Corp, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-271-7250 has 2 manufacturer part numbers on file: 17-19093-1 (Space Machine & Engineering Corp. Dba Space Machine & Engineering Corp), 17-19093-1 (Omega Laboratories Inc).
Key specifications for 17-19093-1: FSC Application Data: RADAR EQUIPMENT; Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.222 INCHES MINIMUM FIRST FLANGE IN; Flange Inside Height: 0.222 INCHES MINIMUM 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 5985-01-271-7250 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.