The Flange,waveguide, cataloged under National Stock Number 5985-01-278-9059, 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 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-278-9059 |
| Primary Part Number | 1611AS560-2 |
| Item Name | Flange,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Flange Inside Width | 0.750 INCHES MINIMUM AND 0.707 INCHES MINIMUM SINGLE FLANGE IN |
| Flange Depth | 0.313 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Outside Diameter | 1.000 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Style | COVER TYPE SINGLE FLANGE |
| 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 |
|---|---|
| 1611AS560-2 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 5985-01-278-9059 is a Flange,waveguide, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-278-9059 has 1 manufacturer part number on file: 1611AS560-2 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-438-4384. Verify interchangeability with system specifications before substitution.
Key specifications for 1611AS560-2: Flange Inside Width: 0.750 INCHES MINIMUM AND 0.707 INCHES MINIMUM SINGLE FLANGE IN; Flange Depth: 0.313 INCHES NOMINAL SINGLE FLANGE IN; Flange Outside Diameter: 1.000 INCHES NOMINAL SINGLE FLANGE IN; Flange Style: COVER TYPE SINGLE FLANGE. 4 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 5985-01-278-9059 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.