The Waveguide Assembly, cataloged under National Stock Number 5985-00-113-5025, 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 Ward Leonard Ct Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-00-113-5025 |
| Primary Part Number | TFT57-6B12N |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Ward Leonard Ct Llc |
| Status | ACTIVE |
| Tubing Wall Construction Style | INTERLOCKED SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.311 INCHES NOMINAL ALL FLANGES IN |
| Flange Quantity | 2 |
| Precious Material | SILVER |
| Voltage Standing Wave Ratio | 1.15 |
| Style Designator | STRAIGHT TYPE |
| Flexibility | FLEXIBLE SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 0.622 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Operating Pressure | 60.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Flange Outside Height | 1.312 INCHES NOMINAL ALL FLANGES IN |
| Flange Inside Width | 0.622 INCHES NOMINAL ALL FLANGES IN |
| Thread Direction | RIGHT-HAND ALL FLANGES SINGLE CONNECTION FACILITY |
| Waveguide Length | 1.000 FEET NOMINAL FT |
| Nominal Thread Size | 0.138 INCHES ALL FLANGES SINGLE CONNECTION FACILITY IN |
| Waveguide Outside Height | 0.391 INCHES NOMINAL IN |
| Waveguide Outside Width | 0.702 INCHES NOMINAL IN |
| Flange Depth | 0.375 INCHES NOMINAL ALL FLANGES IN |
| Flange Outside Width | 1.312 INCHES NOMINAL ALL FLANGES IN |
| Tubing Twist Type | TWISTABLE SINGLE TUBING SEGMENT |
| Tubing Twist Angle in Deg | 3000.0 SINGLE TUBING SEGMENT |
| Insertion Loss in Decibels | 0.20 |
| Surface Treatment | SILVER SINGLE TUBING SEGMENT ALL SURFACES |
| Surface Treatment | SILVER ALL FLANGE ALL SURFACES |
| Precious Material and Location | TUBING INTERIOR AND EXTERIOR,FLANGE INTERIOR AND EXTERIOR SILVER |
| Waveguide Inside Height | 0.311 INCHES NOMINAL IN |
| Material | RUBBER SINGLE TUBING JACKET |
| Material | COPPER ALLOY ALL FLANGE |
| Material | COPPER ALLOY SINGLE TUBING SEGMENT |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY |
| 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 |
|---|---|
| TFT57-6B12N PRIMARY | Ward Leonard Ct Llc (USA) |
| Reference | Meaning |
|---|---|
| TFT57-6B12N | 3/9 Design control — primary reference Ward Leonard Ct Llc |
NSN 5985-00-113-5025 is a Waveguide Assembly, manufactured by Ward Leonard Ct Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-113-5025 has 1 manufacturer part number on file: TFT57-6B12N (Ward Leonard Ct Llc).
Key specifications for TFT57-6B12N: Tubing Wall Construction Style: INTERLOCKED SINGLE TUBING SEGMENT; Flange Inside Height: 0.311 INCHES NOMINAL ALL FLANGES IN; Flange Quantity: 2; Precious Material: SILVER. 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.
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.