The Waveguide Assembly, cataloged under National Stock Number 5985-01-107-0601, 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 Microtech Inc Dba Microtech Inc. Government technical data includes 30 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-107-0601 |
| Primary Part Number | MTPS187-502-N-5A |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microtech Inc Dba Microtech Inc |
| Status | ACTIVE |
| Tubing Wall Construction Style | INTERLOCKED SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.872 INCHES NOMINAL ALL FLANGES IN |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.08 |
| Style Designator | STRAIGHT TYPE |
| 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 |
| Waveguide Length | 5.000 INCHES NOMINAL IN |
| Nominal Thread Size | 0.190 INCHES ALL FLANGES ALL CONNECTION FACILITIES IN |
| Waveguide Outside Height | 1.000 INCHES NOMINAL IN |
| Waveguide Outside Width | 2.000 INCHES NOMINAL IN |
| Flange Depth | 0.938 INCHES NOMINAL ALL FLANGES IN |
| Tubing Twist Type | TWISTABLE SINGLE TUBING SEGMENT |
| Tubing Twist Angle in Deg | 105.0 SINGLE TUBING SEGMENT |
| Insertion Loss in Decibels | 0.06 |
| Surface Treatment | SILVER SINGLE TUBING SEGMENT ALL SURFACES |
| Surface Treatment | ANODIZE ALL FLANGE OUTSIDE SURFACES |
| Waveguide Inside Height | 0.872 INCHES NOMINAL IN |
| Thread Class | 2B ALL FLANGES ALL CONNECTION FACILITIES |
| Thread Quantity Per Inch | 32 ALL FLANGES ALL CONNECTION FACILITIES |
| Material | ALUMINUM ALL FLANGE |
| Material | RUBBER SYNTHETIC SINGLE TUBING JACKET |
| Material | COPPER ALLOY SINGLE TUBING SEGMENT |
| Flange Connecting Facility and Quantity | 8 THREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES |
| Flange Outside Diameter | 3.625 INCHES NOMINAL ALL FLANGES IN |
| Thread Series Designator | UNF ALL FLANGES ALL CONNECTION FACILITIES |
| Flange Style | CHOKE TYPE ALL FLANGES |
| 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 |
|---|---|
| MTPS187-502-N-5A PRIMARY | Microtech Inc Dba Microtech Inc (USA) |
| Reference | Meaning |
|---|---|
| TFT-78-6-A-5-N | 5/9 Secondary reference Keddeg Company Div Keggeg Company |
NSN 5985-01-107-0601 is a Waveguide Assembly, manufactured by Microtech Inc Dba Microtech Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-107-0601 has 1 manufacturer part number on file: MTPS187-502-N-5A (Microtech Inc Dba Microtech Inc).
Key specifications for MTPS187-502-N-5A: Tubing Wall Construction Style: INTERLOCKED SINGLE TUBING SEGMENT; Flange Inside Height: 0.872 INCHES NOMINAL ALL FLANGES IN; Flange Quantity: 2; Voltage Standing Wave Ratio: 1.08. 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 5985-01-107-0601 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.