The Mast Section, cataloged under National Stock Number 5985-00-259-4906, 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 Amphenol Corp Div Amphenol Aerospace Operations. Government technical data includes 9 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-259-4906 |
| Primary Part Number | A161-787 |
| Item Name | Mast Section |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Amphenol Corp Div Amphenol Aerospace Operations |
| Status | ACTIVE |
| Maximum Height | 5.500 FEET FT |
| FSC Application Data | RADIO SET,COMMUNICATION EXCEPT AIRBORNE |
| Top Diameter | 1.350 INCHES NOMINAL IN |
| Mounting Method | KEY |
| Base Diameter | 1.625 INCHES NOMINAL IN |
| Surface Treatment | ENAMEL |
| Special Markings | AB-300/G |
| Material | ALUMINUM |
| Construction | ONE-PIECE |
| 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 |
|---|---|
| A161-787 PRIMARY | Amphenol Corp Div Amphenol Aerospace Operations (USA) |
| Reference | Meaning |
|---|---|
| SCDL180641 | 5/2 Secondary reference U.S. Government activity |
| A161-787 | 3/9 Design control — primary reference Amphenol Corp Spectra-Strip/itd |
| AB300G | 5/2 Secondary reference U.S. Government activity |
NSN 5985-00-259-4906 is a Mast Section, manufactured by Amphenol Corp Div Amphenol Aerospace Operations, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-259-4906 has 1 manufacturer part number on file: A161-787 (Amphenol Corp Div Amphenol Aerospace Operations).
Key specifications for A161-787: Maximum Height: 5.500 FEET FT; FSC Application Data: RADIO SET,COMMUNICATION EXCEPT AIRBORNE; Top Diameter: 1.350 INCHES NOMINAL IN; Mounting Method: KEY. 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 5985-00-259-4906 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.