The Waveguide Assembly, cataloged under National Stock Number 5985-00-187-8985, 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 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-187-8985 |
| Primary Part Number | 116484 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — No Item Name Available |
| Manufacturer | Frontgrade Technologies Inc. |
| Status | ACTIVE |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Inside Height | 0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM ALL FLANGES IN |
| Thread Direction | RIGHT-HAND ALL FLANGES ALL CONNECTION FACILITIES |
| Voltage Standing Wave Ratio | 1.15 |
| Insertion Loss in Decibels | 0.10 |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Depth | 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM ALL FLANGES IN |
| Flange Inside Diameter | 1.406 INCHES MINIMUM AND 1.437 INCHES MAXIMUM ALL FLANGES IN |
| Flange Inside Width | 0.896 INCHES MINIMUM AND 0.904 INCHES MAXIMUM ALL FLANGES IN |
| Flange Outside Width | 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM ALL FLANGES IN |
| Nominal Thread Size | 0.164 INCHES ALL FLANGES ALL CONNECTION FACILITIES IN |
| Surface Treatment | SILVER SINGLE TUBING SEGMENT INSIDE SURFACES |
| Waveguide Inside Height | 0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 32 ALL FLANGES ALL CONNECTION FACILITIES |
| Flexibility | FLEXIBLE SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 0.896 INCHES MINIMUM AND 0.904 INCHES MAXIMUM IN |
| Waveguide Outside Width | 0.996 INCHES MINIMUM AND 1.004 INCHES MAXIMUM IN |
| Flange Style | CHOKE TYPE ALL FLANGES |
| Precious Material | SILVER |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) ALL FLANGES ALL CONNECTION FACILITIES |
| Flange Quantity | 2 |
| Waveguide Outside Height | 0.496 INCHES MINIMUM AND 0.504 INCHES MAXIMUM IN |
| Operating Pressure | 120.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Material | ALUMINUM ALLOY ALL FLANGE |
| Surface Treatment | ENAMEL ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES |
| Precious Material and Location | INTERNAL TUBING SURFACES SILVER |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES |
| Flange Outside Height | 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM ALL FLANGES IN |
| Thread Class | 2B ALL FLANGES ALL CONNECTION FACILITIES |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5985-00-187-8985 is a Waveguide Assembly, manufactured by Frontgrade Technologies Inc., classified under FSC 5985 (No Item Name Available). Status: active.
NSN 5985-00-187-8985 has 4 cross-referenced part numbers: 116484 (Frontgrade Technologies Inc.), 116484 (Litton Systems Inc Airtron Div), TS645462 (Microwave Engineering Corporation), 255562 (Raytheon Company Dba Raytheon).
There are 2 known substitutes for 5985-00-187-8985: 4140-00-726-9755, 5330-00-860-9956. Verify interchangeability with system specifications before substitution.
Key specifications for 116484: Cross-Sectional Shape Style: INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR; Flange Inside Height: 0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM ALL FLANGES IN; Thread Direction: RIGHT-HAND ALL FLANGES ALL CONNECTION FACILITIES; Voltage Standing Wave Ratio: 1.15. 30 total characteristics are documented in the Federal Logistics Information System.