The Waveguide, cataloged under National Stock Number 5985-01-503-7248, 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 5 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5985-01-503-7248 |
| Primary Part Number | 90-925 |
| Item Name | Waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc |
| Status | ACTIVE |
| Style Designator | STRAIGHT TYPE |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Waveguide Length | 5.500 INCHES NOMINAL IN |
| Surface Treatment | PAINT SINGLE TUBING SEGMENT AND FLANGE ALL SURFACES |
| Material | ALUMINUM SINGLE TUBING SEGMENT AND FLANGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 28517-00574 | Leonardo Uk Ltd (GBR) |
| 90-925 PRIMARY | Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc (USA) |
| Reference | Meaning |
|---|---|
| 28517-00574 | 5/9 Secondary reference Leonardo Mw Ltd |
NSN 5985-01-503-7248 is a Waveguide, 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 5985-01-503-7248 has 2 manufacturer part numbers on file: 28517-00574 (Leonardo Uk Ltd), 90-925 (Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc).
4 possible matches (shared part number, not a government interchangeability claim): 6160-01-530-4727, 5310-01-556-2588, 6625-01-621-8667. Verify interchangeability with system specifications before substitution.
Key specifications for 90-925: Style Designator: STRAIGHT TYPE; Flexibility: RIGID SINGLE TUBING SEGMENT; Waveguide Length: 5.500 INCHES NOMINAL IN; Surface Treatment: PAINT SINGLE TUBING SEGMENT AND FLANGE ALL SURFACES. 5 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.
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.