The Support,antenna Horn, cataloged under National Stock Number 5985-01-087-5927, 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 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-087-5927 |
| Primary Part Number | 810AS257 |
| Item Name | Support,antenna Horn |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Mounting Facility Quantity | 3 |
| Mounting Method | UNTHREADED HOLE(S) AND THREADED HOLE(S) |
| Mounting Hole Diameter | 0.201 INCHES NOMINAL IN |
| Basic Shape Style | IRREGULAR |
| Distance Between Mounting Facility Centers | 0.640 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Surface Treatment | ANODIZE |
| Thread Class | 2B |
| Material | ALUMINUM ALLOY 2024 |
| Thread Size and Series/type Designator | 10-32 UNF |
| Mounting Hole Type | PLAIN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 810AS257 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 810AS257 | Raytheon Company (USA) |
| 810AS257 | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 810AS257 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5985-01-087-5927 is a Support,antenna Horn, 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 5985-01-087-5927 has 3 manufacturer part numbers on file: 810AS257 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 810AS257 (Raytheon Company), 810AS257 (Raytheon Company Dba Raytheon Co).
Key specifications for 810AS257: Overall Height: 0.585 INCHES NOMINAL IN; Mounting Facility Quantity: 3; Mounting Method: UNTHREADED HOLE(S) AND THREADED HOLE(S); Mounting Hole Diameter: 0.201 INCHES NOMINAL IN. 10 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 5985-01-087-5927 has DEMIL Code B. 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.