The Waveguide Assembly, cataloged under National Stock Number 5985-00-148-5978, 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 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-148-5978 |
| Primary Part Number | 116542 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — No Item Name Available |
| Manufacturer | Frontgrade Technologies Inc. |
| Status | ACTIVE |
| Thread Class | 2B ALL FLANGES ALL CONNECTION FACILITIES |
| Tubing Wall Construction Style | CONVOLUTE SINGLE TUBING SEGMENT |
| Flange Depth | 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM ALL FLANGES IN |
| Waveguide Outside Width | 0.699 INCHES MINIMUM AND 0.705 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 32 ALL FLANGES ALL CONNECTION FACILITIES |
| Flange Inside Width | 0.620 INCHES MINIMUM AND 0.624 INCHES MAXIMUM ALL FLANGES IN |
| Waveguide Inside Width | 0.6195 INCHES MINIMUM AND 0.6245 INCHES MAXIMUM IN |
| Flange Style | CHOKE TYPE ALL FLANGES |
| Material | COPPER ALLOY SINGLE TUBING SEGMENT |
| Style Designator | FOUR BEND TYPE |
| Flange Inside Height | 0.309 INCHES MINIMUM AND 0.313 INCHES MAXIMUM ALL FLANGES IN |
| Nominal Thread Size | 0.138 INCHES ALL FLANGES ALL CONNECTION FACILITIES IN |
| Flange Outside Height | 1.297 INCHES MINIMUM AND 1.327 INCHES MAXIMUM ALL FLANGES IN |
| Voltage Standing Wave Ratio | 1.30 |
| Tubing Twist Type | TWISTABLE SINGLE TUBING SEGMENT |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flexibility | FLEXIBLE SINGLE TUBING SEGMENT |
| Waveguide Outside Height | 0.388 INCHES MINIMUM AND 0.394 INCHES MAXIMUM IN |
| Operating Pressure | 60.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Flange Outside Width | 1.297 INCHES MINIMUM AND 1.327 INCHES MAXIMUM ALL FLANGES IN |
| Waveguide Inside Height | 0.3085 INCHES MINIMUM AND 0.3135 INCHES MAXIMUM IN |
| Flange Inside Diameter | 0.985 INCHES MINIMUM AND 1.015 INCHES MAXIMUM ALL FLANGES IN |
| Flange Quantity | 2 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 116542 | Litton Systems Inc Airtron Div (USA) |
| 218-27214-2 | Triumph Aerostructures, Llc Dba Triumph Aerostructures - Vought Integrated Programs Division (USA) |
| 116542 PRIMARY | Frontgrade Technologies Inc. (USA) |
NSN 5985-00-148-5978 is a Waveguide Assembly, manufactured by Frontgrade Technologies Inc., classified under FSC 5985 (No Item Name Available). Status: active.
NSN 5985-00-148-5978 has 3 cross-referenced part numbers: 116542 (Litton Systems Inc Airtron Div), 218-27214-2 (Triumph Aerostructures, Llc Dba Triumph Aerostructures - Vought Integrated Programs Division), 116542 (Frontgrade Technologies Inc.).
There are 5 known substitutes for 5985-00-148-5978: 2910-00-360-8023, 5307-00-514-9400, 6105-00-841-3341 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 116542: Thread Class: 2B ALL FLANGES ALL CONNECTION FACILITIES; Tubing Wall Construction Style: CONVOLUTE SINGLE TUBING SEGMENT; Flange Depth: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM ALL FLANGES IN; Waveguide Outside Width: 0.699 INCHES MINIMUM AND 0.705 INCHES MAXIMUM IN. 25 total characteristics are documented in the Federal Logistics Information System.