The Mast, cataloged under National Stock Number 5985-00-507-6261, 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 Spencer Industries Inc. Government technical data includes 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-00-507-6261 |
| Primary Part Number | AB-155A/U |
| Item Name | Mast |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Spencer Industries Inc |
| Status | ACTIVE |
| Maximum Height | 40.000 FEET FT |
| Mast Construction | SECTIONALIZED |
| Mounting Method | BASE |
| Section Quantity | 8 |
| Accessory Components and Quantity | CARRYING DEVICE 1,COVER 1,GUYS 4,GUYS 4,GUYS 4,GUY FASTENERS 4,GUY PLATES 4,GUY STAKES 4,HALYARD 1,HAMMER 1,MAST BASE 1,MAST SECTIONS 8,PLATE MAST BASE 1,HICKORY GUY STAKES 4 |
| Base Diameter | 1.500 INCHES NOMINAL IN |
| Surface Treatment | PAINT |
| Material | ALUMINUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| AB-155A/U | Spencer Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| AB-155A/U | 3/2 Design control — primary reference U.S. Government activity |
| PPL-1270 | 5/2 Secondary reference U.S. Government activity |
| BM14368 | 5/9 Secondary reference Barker & Williamson |
NSN 5985-00-507-6261 is a Mast, manufactured by Spencer Industries Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-507-6261 has 1 manufacturer part number on file: AB-155A/U (Spencer Industries Inc).
Key specifications for AB-155A/U: Maximum Height: 40.000 FEET FT; Mast Construction: SECTIONALIZED; Mounting Method: BASE; Section Quantity: 8. 8 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.