The Mast, cataloged under National Stock Number 5985-01-540-0150, 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 Foster, Wilburt E Jr Dba Foster Trophy & Awards Co. 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 | 5985-01-540-0150 |
| Primary Part Number | 5-20-157 |
| Item Name | Mast |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Foster, Wilburt E Jr Dba Foster Trophy & Awards Co |
| Status | ACTIVE |
| Maximum Height | 20.000 FEET FT |
| Mast Construction | TELESCOPIC |
| Mounting Method | BASE AND UNTHREADED HOLE(S) |
| Outside Diameter | 10.250 INCHES NOMINAL IN |
| Section Quantity | 6 |
| Base Width | 8.000 INCHES NOMINAL IN |
| Accessory Components and Quantity | COLLARS 5; BUMPERS-INTERNAL 5; SEALS 5; WEAR RINGS 5; TOP TUBE STOP 1; 1/4 - 20 X 1/2 INCH SHCS SST 3; COLLAR BOLTS 28; LOCKWASHERS 28; IDENT PLATE 1; DRIVE SCREW 4 X 1/4 INCH SST 2; WARNING LABELS 6; CAUTION LABLE 1; HARDWARE BAG 1; DRAIN KIT 1; WARNING KIT 1; 3/8 INCH NPT HEX SOC PLUG SST 1; 1/4 NPT PIPE PLUG PLASTIC 1; MAST LUBRICANT 1; SHIPPING CRATE 1 IN |
| Surface Treatment | ANODIZE |
| Nested Height | 63.750 INCHES IN |
| Material | ALUMINUM |
| 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 |
|---|---|
| 5-20-157 PRIMARY | Foster, Wilburt E Jr Dba Foster Trophy & Awards Co (USA) |
NSN 5985-01-540-0150 is a Mast, manufactured by Foster, Wilburt E Jr Dba Foster Trophy & Awards Co, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-540-0150 has 1 manufacturer part number on file: 5-20-157 (Foster, Wilburt E Jr Dba Foster Trophy & Awards Co).
Key specifications for 5-20-157: Maximum Height: 20.000 FEET FT; Mast Construction: TELESCOPIC; Mounting Method: BASE AND UNTHREADED HOLE(S); Outside Diameter: 10.250 INCHES NOMINAL 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.
NSN 5985-01-540-0150 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.