The Waveguide Assembly, cataloged under National Stock Number 5985-01-374-4598, 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 Microwave Engineering Corporation. Government technical data includes 22 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-374-4598 |
| Primary Part Number | R10-997 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — No Item Name Available |
| Manufacturer | Microwave Engineering Corporation |
| Status | ACTIVE |
| Flange Inside Width | 0.798 INCHES NOMINAL ALL FLANGES IN |
| Style Designator | OFFSET BEND TYPE |
| Flange Style | CONTACT, DOUBLE RIDGE TYPE ALL FLANGES |
| Flange Connecting Facility and Quantity | 2 CAPTIVE SCREW(S) ALL FLANGES ALL CONNECTION FACILITIES |
| Bend Angle in Deg | 25.0 FOURTH BEND E-PLANE |
| Waveguide Inside Width | 0.691 INCHES NOMINAL IN |
| Flange Inside Height | 0.428 INCHES NOMINAL ALL FLANGES IN |
| Waveguide Length | 25.500 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) ALL FLANGES ALL CONNECTION FACILITIES |
| Flange Outside Width | 1.375 INCHES NOMINAL ALL FLANGES IN |
| Waveguide Outside Width | 1.375 INCHES NOMINAL IN |
| Waveguide Inside Height | 0.321 INCHES NOMINAL IN |
| Waveguide Outside Height | 0.216 INCHES NOMINAL IN |
| Bend Angle in Deg | 24.0 THIRD BEND E-PLANE |
| Flexibility | RIGID ALL TUBING SEGMENT |
| Flange Quantity | 2 |
| Flange Depth | 0.250 INCHES NOMINAL ALL FLANGES IN |
| Flange Outside Height | 1.375 INCHES NOMINAL ALL FLANGES IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR DOUBLE RIDGED EXTERNAL, RECTANGULAR DOUBLE INDENTED |
| Bend Angle in Deg | 24.0 FIRST BEND E-PLANE |
| Material | ALUMINUM ALLOY ALL TUBING SEGMENT AND FLANGE |
| Bend Angle in Deg | 26.0 SECOND BEND E-PLANE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| R10-997 PRIMARY | Microwave Engineering Corporation (USA) |
| 106439-15 PRIMARY | Frontgrade Technologies Inc. (USA) |
| A55A9026-15 | Northrop Grumman Systems Corporation (USA) |
NSN 5985-01-374-4598 is a Waveguide Assembly, manufactured by Microwave Engineering Corporation, classified under FSC 5985 (No Item Name Available). Status: active.
NSN 5985-01-374-4598 has 3 cross-referenced part numbers: R10-997 (Microwave Engineering Corporation), 106439-15 (Frontgrade Technologies Inc.), A55A9026-15 (Northrop Grumman Systems Corporation).
There is 1 known substitute for 5985-01-374-4598: 2520-00-163-2417. Verify interchangeability with system specifications before substitution.
Key specifications for R10-997: Flange Inside Width: 0.798 INCHES NOMINAL ALL FLANGES IN; Style Designator: OFFSET BEND TYPE; Flange Style: CONTACT, DOUBLE RIDGE TYPE ALL FLANGES; Flange Connecting Facility and Quantity: 2 CAPTIVE SCREW(S) ALL FLANGES ALL CONNECTION FACILITIES. 22 total characteristics are documented in the Federal Logistics Information System.