The Waveguide Assembly, cataloged under National Stock Number 5985-00-179-1098, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5985-00-179-1098 |
| Primary Part Number | MIL-DTL-287/4 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | CANCELLED |
| Voltage Standing Wave Ratio | 1.10 |
| Flange Inside Height | 0.503 INCHES MINIMUM AND 0.506 INCHES MAXIMUM ALL FLANGES IN |
| Flange Outside Width | 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM ALL FLANGES IN |
| Tubing Wall Construction Style | CONVOLUTE SINGLE TUBING SEGMENT |
| Insertion Loss in Decibels | 0.05 |
| FSC Application Data | ANTENNAS,WAVEGUIDES AND RELATED EQUIPMENT |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Quantity | 2 |
| Waveguide Outside Width | 0.996 INCHES MINIMUM AND 1.004 INCHES MAXIMUM IN |
| Flange Depth | 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM ALL FLANGES IN |
| Material | COPPER ALLOY ALL TUBING SEGMENT AND FLANGE |
| Flange Connecting Hole Diameter | 0.169 INCHES MINIMUM AND 0.172 INCHES MAXIMUM ALL FLANGES SINGLE CONNECTION FACILITY IN |
| Flexibility | FLEXIBLE SINGLE TUBING SEGMENT |
| Flange Inside Width | 1.003 INCHES MINIMUM AND 1.006 INCHES MAXIMUM ALL FLANGES IN |
| Flange Outside Height | 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM ALL FLANGES IN |
| Flange Style | COVER TYPE ALL FLANGES |
| Waveguide Inside Width | 0.896 INCHES MINIMUM AND 0.904 INCHES MAXIMUM IN |
| Specification/standard Data | 81349-MIL-W-287/4 GOVERNMENT SPECIFICATION |
| Waveguide Outside Height | 0.496 INCHES MINIMUM AND 0.504 INCHES MAXIMUM IN |
| Style Designator | STRAIGHT TYPE |
| Operating Pressure | 45.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY |
| Waveguide Length | 6.000 INCHES NOMINAL IN |
| Waveguide Inside Height | 0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MIL-DTL-287/4 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| CG179AU | Joint Electronics Type Designation System (USA) |
| MIL-W-287/4 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| CG179AU6IN | Joint Electronics Type Designation System (USA) |
| M287/4-45-0060 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| CC179AU61NL9 | Joint Electronics Type Designation System (USA) |
| P39200020 | Entron Industries Limited Partnership Dba Entron Industries Property Div (USA) |
| CG179A-U-6 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 26514 | Raytheon Company Dba Raytheon (USA) |
| FG090BDDB06 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| BN216-600 | Litton Systems Inc Airtron Div (USA) |
NSN 5985-00-179-1098 is a Waveguide Assembly, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5985 (No Item Name Available). Status: cancelled.
NSN 5985-00-179-1098 has 11 cross-referenced part numbers: MIL-DTL-287/4 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), CG179AU (Joint Electronics Type Designation System), MIL-W-287/4 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), CG179AU6IN (Joint Electronics Type Designation System), M287/4-45-0060 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 6 more.
There are 9 known substitutes for 5985-00-179-1098: 5985-00-263-0809, 4720-00-288-9878, 5985-00-295-8945 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for MIL-DTL-287/4: Voltage Standing Wave Ratio: 1.10; Flange Inside Height: 0.503 INCHES MINIMUM AND 0.506 INCHES MAXIMUM ALL FLANGES IN; Flange Outside Width: 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM ALL FLANGES IN; Tubing Wall Construction Style: CONVOLUTE SINGLE TUBING SEGMENT. 24 total characteristics are documented in the Federal Logistics Information System.
NSN 5985-00-179-1098 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.