The Mast Section, cataloged under National Stock Number 5985-01-064-2127, 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 Freehold Manufacturing Assembly Company, Inc. Dba Freehold Manufacturing Assembly Co Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-064-2127 |
| Primary Part Number | SM-D-551060 |
| Item Name | Mast Section |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Freehold Manufacturing Assembly Company, Inc. Dba Freehold Manufacturing Assembly Co Inc |
| Status | ACTIVE |
| Maximum Height | 2.550 FEET FT |
| Construction | ONE-PIECE |
| 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 |
|---|---|
| SM-D-551060 | Freehold Manufacturing Assembly Company, Inc. Dba Freehold Manufacturing Assembly Co Inc (USA) |
| SM-D-551060 | Century Metal Parts Corp (USA) |
| Reference | Meaning |
|---|---|
| SM-D-551060 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-01-064-2127 is a Mast Section, manufactured by Freehold Manufacturing Assembly Company, Inc. Dba Freehold Manufacturing Assembly Co Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-064-2127 has 2 manufacturer part numbers on file: SM-D-551060 (Freehold Manufacturing Assembly Company, Inc. Dba Freehold Manufacturing Assembly Co Inc), SM-D-551060 (Century Metal Parts Corp).
Key specifications for SM-D-551060: Maximum Height: 2.550 FEET FT; Special Features: TAB ON TOP END; End Item Identification: BEACON SET,RADIO AN/TRN-30/V/1; Construction: ONE-PIECE. 2 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 5985-01-064-2127 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.