The Waveguide Assembly, cataloged under National Stock Number 5985-00-547-5687, 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 Litton Systems Inc Airtron Div. Government technical data includes 19 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-547-5687 |
| Primary Part Number | 66812 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — No Item Name Available |
| Manufacturer | Litton Systems Inc Airtron Div |
| Status | ACTIVE |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| FSC Application Data | ANTENNAS,WAVEGUIDES AND RELATED EQUIP. |
| Flange Quantity | 2 |
| Material | ALUMINUM ALLOY ALL TUBING SEGMENT AND FLANGE |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Waveguide Outside Width | 0.996 INCHES MINIMUM AND 1.004 INCHES MAXIMUM IN |
| Waveguide Outside Height | 0.496 INCHES MINIMUM AND 0.504 INCHES MAXIMUM IN |
| Flange Outside Height | 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM ALL FLANGES IN |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES |
| Style Designator | OFFSET BEND TYPE |
| Flange Style | COVER TYPE ALL FLANGES |
| Waveguide Inside Height | 0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM IN |
| Flange Inside Height | 0.503 INCHES MINIMUM AND 0.506 INCHES MAXIMUM ALL FLANGES IN |
| Waveguide Inside Width | 0.896 INCHES MINIMUM AND 0.904 INCHES MAXIMUM IN |
| Flange Connecting Hole Diameter | 0.169 INCHES MINIMUM AND 0.172 INCHES MAXIMUM ALL FLANGES ALL CONNECTION FACILITIES IN |
| Flange Outside Width | 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM ALL FLANGES IN |
| Flange Depth | 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM ALL FLANGES IN |
| Flange Inside Width | 1.003 INCHES MINIMUM AND 1.006 INCHES MAXIMUM ALL FLANGES IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5985-00-547-5687 is a Waveguide Assembly, manufactured by Litton Systems Inc Airtron Div, classified under FSC 5985 (No Item Name Available). Status: active.
NSN 5985-00-547-5687 has 3 cross-referenced part numbers: 66812 (Litton Systems Inc Airtron Div), 10-2736-6 (The Boeing Company Div Defense), 66812 (Frontgrade Technologies Inc.).
There are 4 known substitutes for 5985-00-547-5687: 5905-00-057-8356, 4030-00-273-3069, 5120-00-596-1263 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 66812: Flexibility: RIGID SINGLE TUBING SEGMENT; FSC Application Data: ANTENNAS,WAVEGUIDES AND RELATED EQUIP.; Flange Quantity: 2; Material: ALUMINUM ALLOY ALL TUBING SEGMENT AND FLANGE. 19 total characteristics are documented in the Federal Logistics Information System.