The Waveguide Assembly, cataloged under National Stock Number 5985-01-108-9203, is classified within Federal Supply Class 5985 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Frontgrade Technologies Inc.. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-108-9203 |
| Primary Part Number | 126701 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — No Item Name Available |
| Manufacturer | Frontgrade Technologies Inc. |
| Status | ACTIVE |
| Waveguide Length | 1.500 FEET NOMINAL FT |
| Flexibility | FLEXIBLE SINGLE TUBING SEGMENT |
| Flange Style | COVER TYPE ALL FLANGES |
| Waveguide Inside Height | 0.375 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY ALL TUBING SEGMENT AND FLANGE |
| Flange Inside Height | 0.479 INCHES NOMINAL ALL FLANGES IN |
| Waveguide Inside Width | 0.750 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC SINGLE TUBING JACKET |
| Surface Treatment | ANODIZE ALL FLANGE ALL SURFACES |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Voltage Standing Wave Ratio | 1.12 |
| Surface Treatment | SILVER SINGLE TUBING SEGMENT ALL SURFACES |
| Flange Quantity | 2 |
| Flange Inside Width | 0.854 INCHES NOMINAL ALL FLANGES IN |
| Flange Outside Width | 1.500 INCHES NOMINAL ALL FLANGES IN |
| Flange Depth | 0.391 INCHES NOMINAL ALL FLANGES IN |
| Flange Connecting Hole Diameter | 0.144 INCHES NOMINAL ALL FLANGES ALL CONNECTION FACILITIES IN |
| Flange Outside Height | 1.500 INCHES NOMINAL ALL FLANGES IN |
| Style Designator | STRAIGHT TYPE |
| Tubing Twist Type | TWISTABLE SINGLE TUBING SEGMENT |
| Tubing Twist Angle in Deg | 240.0 SINGLE TUBING SEGMENT |
| Waveguide Outside Height | 0.475 INCHES NOMINAL IN |
| Precious Material and Location | WAVEGUIDE OVERALL SURFACES SILVER |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Criticality Code Justification | FEAT |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES |
| Precious Material | SILVER |
| Waveguide Outside Width | 0.850 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 126701 PRIMARY | Frontgrade Technologies Inc. (USA) |
| TFT-60-2-A-18-N PRIMARY | Microwave Engineering Corporation (USA) |
| 654VE7190-23 | Systron-Donner Corp Microwave/instrument Div (USA) |
| 654VE7190-23 | Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA) |
| 654VE7190-23 | Microtech Inc Dba Microtech Inc (USA) |
| 126701 | Litton Systems Inc Airtron Div (USA) |
NSN 5985-01-108-9203 is a Waveguide Assembly, manufactured by Frontgrade Technologies Inc., classified under FSC 5985 (No Item Name Available). Status: active.
NSN 5985-01-108-9203 has 6 cross-referenced part numbers: 126701 (Frontgrade Technologies Inc.), TFT-60-2-A-18-N (Microwave Engineering Corporation), 654VE7190-23 (Systron-Donner Corp Microwave/instrument Div), 654VE7190-23 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), 654VE7190-23 (Microtech Inc Dba Microtech Inc) and 1 more.
There are 4 known substitutes for 5985-01-108-9203: 6650-01-122-9945, 5340-01-167-0720, 2540-01-495-2560 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 126701: Special Features: WEAPON SYSTEM ESSENTIAL; Waveguide Length: 1.500 FEET NOMINAL FT; Flexibility: FLEXIBLE SINGLE TUBING SEGMENT; Flange Style: COVER TYPE ALL FLANGES. 29 total characteristics are documented in the Federal Logistics Information System.