The Mast Section, cataloged under National Stock Number 5985-00-001-6771, 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 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-00-001-6771 |
| Primary Part Number | 781-5083-001 |
| Item Name | Mast Section |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Accessory Components and Quantity | TERMINAL,POST 2,CONDUCTOR,OUTER-TOP ASSY 1,INSULATOR,TOP 1 |
| Construction | ONE-PIECE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 781-5083-001 | Victor Microwave, Inc (USA) |
| 781-5083-001 | Spencer Industries Inc (USA) |
| 781-5083-001 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| 781-5083-001 | J F C Electronics Inc (USA) |
| Reference | Meaning |
|---|---|
| 781-5083-001 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-00-001-6771 is a Mast Section, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-001-6771 has 4 manufacturer part numbers on file: 781-5083-001 (Victor Microwave, Inc), 781-5083-001 (Spencer Industries Inc), 781-5083-001 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 781-5083-001 (J F C Electronics Inc).
Key specifications for 781-5083-001: Criticality Code Justification: FEAT; Accessory Components and Quantity: TERMINAL,POST 2,CONDUCTOR,OUTER-TOP ASSY 1,INSULATOR,TOP 1; Special Features: WEAPON SYSTEM ESSENTIAL; End Item Identification: AN/MRC-138, AN/GRC-193 (A1815) RADIO SET. AIRBORNE MOBILE DIR SPT CTL (2ID)(02MJUL83)(AN/UYQ-3A). A. 3 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 5985-00-001-6771 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.