The Waveguide Assembly, cataloged under National Stock Number 5985-01-282-3727, 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 Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc. Government technical data includes 8 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-282-3727 |
| Primary Part Number | AW1981-2 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc |
| Status | ACTIVE |
| Flange Quantity | 2 |
| Bend Angle in Deg | 90.0 SINGLE BEND E-PLANE |
| Style Designator | BEND TYPE |
| Waveguide Offset Distance | 1.438 INCHES NOMINAL IN |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Style | CONTACT, FOR SINGLE RIDGE WAVEGUIDE ALL FLANGES |
| Waveguide Longer Offset Distance | 6.380 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5985-01-282-3727 is a Waveguide Assembly, manufactured by Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-282-3727 has 3 manufacturer part numbers on file: 2131942-2 (Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div), AW1981-2 (Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc), 228580 (Microtech Inc Dba Microtech Inc).
Key specifications for AW1981-2: Flange Quantity: 2; Bend Angle in Deg: 90.0 SINGLE BEND E-PLANE; Style Designator: BEND TYPE; Waveguide Offset Distance: 1.438 INCHES NOMINAL IN. 8 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 5985-01-282-3727 has DEMIL Code Q. 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.