The Flange,waveguide, cataloged under National Stock Number 5985-01-412-1085, 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 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-412-1085 |
| Primary Part Number | 1209AS923-1 |
| 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 Height | 0.311 INCHES NOMINAL ALL FLANGES IN |
| Flange Outside Height | 1.310 INCHES NOMINAL ALL FLANGES IN |
| Flange Connecting Hole Diameter | 0.169 INCHES MINIMUM AND 0.172 INCHES MAXIMUM SINGLE FLANGE SINGLE CONNECTION FACILITY IN |
| Flange Inside Width | 0.622 INCHES NOMINAL ALL FLANGES IN |
| Flange Depth | 0.125 INCHES NOMINAL ALL FLANGES IN |
| Flange Outside Width | 1.310 INCHES NOMINAL ALL FLANGES IN |
| Material | ALUMINUM ALL TUBING SEGMENT |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) SINGLE FLANGE SINGLE CONNECTION FACILITY |
| Flange Style | CONTACT 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 |
|---|---|
| 1209AS923-1 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| WS62-UG-125-A | Frontgrade Technologies Inc. (USA) |
NSN 5985-01-412-1085 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 5985-01-412-1085 has 2 manufacturer part numbers on file: 1209AS923-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), WS62-UG-125-A (Frontgrade Technologies Inc.).
Key specifications for 1209AS923-1: Flange Inside Height: 0.311 INCHES NOMINAL ALL FLANGES IN; Flange Outside Height: 1.310 INCHES NOMINAL ALL FLANGES IN; Flange Connecting Hole Diameter: 0.169 INCHES MINIMUM AND 0.172 INCHES MAXIMUM SINGLE FLANGE SINGLE CONNECTION FACILITY IN; Flange Inside Width: 0.622 INCHES NOMINAL ALL FLANGES IN. 9 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 5985-01-412-1085 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.