The Waveguide, cataloged under National Stock Number 5985-01-137-3765, 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 Microtech Inc Dba Microtech Inc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-137-3765 |
| Primary Part Number | SM-D-973744-2 |
| Item Name | Waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microtech Inc Dba Microtech Inc |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS ALL TUBING SEGMENT |
| Style Designator | OFFSET BEND TYPE |
| Flexibility | FLEXIBLE SECOND TUBING SEGMENT |
| Flexibility | RIGID FIRST TUBING SEGMENT |
| Waveguide Inside Width | 1.122 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Waveguide Center to Center Distance | 1.010 FEET NOMINAL FT |
| Waveguide Length | 6.403 FEET NOMINAL FT |
| Waveguide Outside Height | 0.625 INCHES NOMINAL IN |
| Waveguide Outside Width | 1.250 INCHES NOMINAL IN |
| Waveguide Inside Height | 0.497 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY ALL TUBING SEGMENT |
| 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 |
|---|---|
| SM-D-973744-2 PRIMARY | Microtech Inc Dba Microtech Inc (USA) |
| SM-D-973744-2 | Microwave Engineering Corporation (USA) |
| 228265-2 | Microtech Inc Dba Microtech Inc (USA) |
| Reference | Meaning |
|---|---|
| SM-D-973744-2 | 5/9 Secondary reference U.S. Government activity |
| SM-D-973744 | 5/9 Secondary reference Microwave Engineering Corporation |
| SM-D-973744-2 | 1/2 Source control — Government-approved source U.S. Government activity |
| SM-D-973744 | 5/9 Secondary reference U.S. Government activity |
| SM-D-973744-2 | 5/9 Secondary reference Bright Lights Usa, Inc Dba Blusa Defense Manufacturing |
NSN 5985-01-137-3765 is a Waveguide, manufactured by Microtech Inc Dba Microtech Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-137-3765 has 3 manufacturer part numbers on file: SM-D-973744-2 (Microtech Inc Dba Microtech Inc), SM-D-973744-2 (Microwave Engineering Corporation), 228265-2 (Microtech Inc Dba Microtech Inc).
Key specifications for SM-D-973744-2: Tubing Wall Construction Style: SEAMLESS ALL TUBING SEGMENT; Style Designator: OFFSET BEND TYPE; Flexibility: FLEXIBLE SECOND TUBING SEGMENT; Flexibility: RIGID FIRST TUBING SEGMENT. 12 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 5985-01-137-3765 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.