The Mast Section, cataloged under National Stock Number 5985-01-305-5441, 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 Northrop Grumman Systems Corporation. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-305-5441 |
| Primary Part Number | 12-117837-1 |
| Item Name | Mast Section |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIP. |
| Top Width | 3.000 INCHES NOMINAL IN |
| Base Depth | 2.000 INCHES NOMINAL IN |
| Supplementary Features | BASE PLATE 0.125 IN. THICK W/FOUR 0.213 TO 0.216 IN. DIA MTG HOLES W/CLINCH FASTENERS; TOP PLATE 0.090 IN. THICK W/FOUR 0.203 IN. DIA MTG HOLES; 1.500 IN. SQ TUBE BY 0.120 IN. THICK WALL IN |
| Criticality Code Justification | FEAT |
| Base Width | 2.500 INCHES NOMINAL IN |
| Nested Height | 7.380 INCHES IN |
| Material | ALUMINUM ALLOY |
| Construction | ONE-PIECE |
| Top Depth | 1.750 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 12-117837-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 5985-01-305-5441 is a Mast Section, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-305-5441 has 1 manufacturer part number on file: 12-117837-1 (Northrop Grumman Systems Corporation).
Key specifications for 12-117837-1: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIP.; Top Width: 3.000 INCHES NOMINAL IN; Base Depth: 2.000 INCHES NOMINAL IN; Supplementary Features: BASE PLATE 0.125 IN. THICK W/FOUR 0.213 TO 0.216 IN. DIA MTG HOLES W/CLINCH FASTENERS; TOP PLATE 0.090 IN. THICK W/FOUR 0.203 IN. DIA MTG HOLES; 1.500 IN. SQ TUBE BY 0.120 IN. THICK WALL 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.
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.