The Waveguide Assembly, cataloged under National Stock Number 5985-01-073-1406, 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 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-073-1406 |
| Primary Part Number | SM-D-777307 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — No Item Name Available |
| Manufacturer | Litton Systems Inc Airtron Div |
| Status | ACTIVE |
| Waveguide Outside Width | 1.496 INCHES MINIMUM AND 1.504 INCHES MAXIMUM IN |
| Material | COPPER ALLOY SINGLE TUBING SEGMENT |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Tubing Twist Type | TWISTABLE SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.618 INCHES MINIMUM AND 0.626 INCHES MAXIMUM ALL FLANGES IN |
| Thread Class | 2B ALL FLANGES ALL CONNECTION FACILITIES |
| Voltage Standing Wave Ratio | 1.10 |
| Surface Treatment | SILVER SINGLE TUBING SEGMENT INSIDE SURFACES |
| Flange Outside Diameter | 3.110 INCHES MINIMUM AND 3.140 INCHES MAXIMUM ALL FLANGES IN |
| Flange Inside Width | 1.368 INCHES MINIMUM AND 1.376 INCHES MAXIMUM ALL FLANGES IN |
| Flange Depth | 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM ALL FLANGES IN |
| Flange Quantity | 2 |
| Thread Direction | RIGHT-HAND ALL FLANGES ALL CONNECTION FACILITIES |
| Flange Style | CHOKE TYPE ALL FLANGES |
| Operating Pressure | 15.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Precious Material and Location | INTERNAL SURFACES WAVEGUIDE SILVER |
| Waveguide Center to Center Distance | 2.200 INCHES NOMINAL IN |
| Waveguide Inside Height | 0.618 INCHES MINIMUM AND 0.626 INCHES MAXIMUM IN |
| Waveguide Length | 5.250 INCHES NOMINAL IN |
| Waveguide Outside Height | 0.746 INCHES MINIMUM AND 0.754 INCHES MAXIMUM IN |
| Flange Connecting Facility and Quantity | 6 THREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES |
| Thread Series Designator | UNF ALL FLANGES ALL CONNECTION FACILITIES |
| Waveguide Inside Width | 1.368 INCHES MINIMUM AND 1.376 INCHES MAXIMUM IN |
| Style Designator | OFFSET BEND TYPE |
| Material | ALUMINUM ALLOY ALL FLANGE |
| Precious Material | SILVER |
| Surface Treatment | RUBBER ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES |
| Flexibility | FLEXIBLE SINGLE TUBING SEGMENT |
| Nominal Thread Size | 0.190 INCHES ALL FLANGES ALL CONNECTION FACILITIES IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| SM-D-777307 | Litton Systems Inc Airtron Div (USA) |
| 221318 | Microtech Inc Dba Microtech Inc (USA) |
| SM-D-777307 | Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA) |
| SM-D-777307 | Victor Microwave, Inc (USA) |
| SM-D-777307 | Microwave Engineering Corporation (USA) |
NSN 5985-01-073-1406 is a Waveguide Assembly, manufactured by Litton Systems Inc Airtron Div, classified under FSC 5985 (No Item Name Available). Status: active.
NSN 5985-01-073-1406 has 5 cross-referenced part numbers: SM-D-777307 (Litton Systems Inc Airtron Div), 221318 (Microtech Inc Dba Microtech Inc), SM-D-777307 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), SM-D-777307 (Victor Microwave, Inc), SM-D-777307 (Microwave Engineering Corporation).
There are 3 known substitutes for 5985-01-073-1406: 6510-01-219-3283, 4330-01-233-8921, 3040-01-668-6467. Verify interchangeability with system specifications before substitution.
Key specifications for SM-D-777307: Waveguide Outside Width: 1.496 INCHES MINIMUM AND 1.504 INCHES MAXIMUM IN; Material: COPPER ALLOY SINGLE TUBING SEGMENT; Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Tubing Twist Type: TWISTABLE SINGLE TUBING SEGMENT. 30 total characteristics are documented in the Federal Logistics Information System.