The Waveguide Assembly, cataloged under National Stock Number 5985-00-821-2103, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Microwave Engineering Corporation. Government technical data includes 28 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-821-2103 |
| Primary Part Number | TS57130 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microwave Engineering Corporation |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.309 INCHES MINIMUM AND 0.313 INCHES MAXIMUM ALL FLANGES IN |
| Flange Quantity | 2 |
| Waveguide Outside Diameter | 0.950 INCHES NOMINAL IN |
| Voltage Standing Wave Ratio | 1.06 |
| Style Designator | OFFSET BEND TYPE |
| Flexibility | FLEXIBLE SINGLE TUBING SEGMENT |
| Flange Inside Diameter | 0.620 INCHES MINIMUM AND 0.624 INCHES MAXIMUM ALL FLANGES IN |
| Cross-Sectional Shape Style | INTERNAL, ROUND EXTERNAL, ROUND |
| Operating Pressure | 45.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Flange Outside Height | 1.312 INCHES NOMINAL ALL FLANGES IN |
| Waveguide Center to Center Distance | 0.475 INCHES NOMINAL IN |
| Flange Inside Width | 0.708 INCHES MINIMUM AND 0.712 INCHES MAXIMUM ALL FLANGES IN |
| Thread Direction | RIGHT-HAND ALL FLANGES SINGLE CONNECTION FACILITY |
| Waveguide Length | 4.375 INCHES NOMINAL IN |
| Nominal Thread Size | 0.138 INCHES ALL FLANGES SINGLE CONNECTION FACILITY IN |
| Flange Depth | 0.375 INCHES NOMINAL ALL FLANGES IN |
| Flange Outside Width | 1.312 INCHES NOMINAL ALL FLANGES IN |
| Tubing Twist Type | TWISTABLE SINGLE TUBING SEGMENT |
| Insertion Loss in Decibels | 0.15 |
| Surface Treatment | COPPER ALL FLANGE ALL SURFACES |
| Surface Treatment | COPPER SINGLE TUBING SEGMENT ALL SURFACES |
| Material | RUBBER SYNTHETIC SINGLE TUBING JACKET |
| Material | COPPER ALLOY ALL FLANGE |
| Material | COPPER ALLOY SINGLE TUBING SEGMENT |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) ALL FLANGES SINGLE CONNECTION FACILITY |
| Flange Style | CHOKE TYPE ALL FLANGES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 10044212 | Us Army Aviation and Missile Command (USA) |
| 45024 | Mega Industries Inc Mega Microwave Div (USA) |
| TS57130 PRIMARY | Microwave Engineering Corporation (USA) |
| MS62007 | Microtech Inc Dba Microtech Inc (USA) |
| Reference | Meaning |
|---|---|
| 45024 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-00-821-2103 is a Waveguide Assembly, manufactured by Microwave Engineering Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-821-2103 has 4 manufacturer part numbers on file: 10044212 (Us Army Aviation and Missile Command), 45024 (Mega Industries Inc Mega Microwave Div), TS57130 (Microwave Engineering Corporation), MS62007 (Microtech Inc Dba Microtech Inc).
9 possible matches (shared part number, not a government interchangeability claim): 4310-01-118-8027, 4320-01-198-9560, 4730-01-230-8875. Verify interchangeability with system specifications before substitution.
Key specifications for TS57130: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.309 INCHES MINIMUM AND 0.313 INCHES MAXIMUM ALL FLANGES IN; Flange Quantity: 2; Waveguide Outside Diameter: 0.950 INCHES NOMINAL IN. 28 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5985-00-821-2103 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.