The Waveguide Assembly, cataloged under National Stock Number 5985-00-296-1748, 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 Frontgrade Technologies Inc.. Government technical data includes 25 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-00-296-1748 |
| Primary Part Number | BN515-3001 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Frontgrade Technologies Inc. |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.484 INCHES MINIMUM AND 0.490 INCHES MAXIMUM ALL FLANGES IN |
| Flange Quantity | 2 |
| Precious Material | SILVER |
| Voltage Standing Wave Ratio | 1.10 |
| Style Designator | STRAIGHT TYPE |
| Flexibility | FLEXIBLE SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 1.369 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 2.187 INCHES MINIMUM AND 2.217 INCHES MAXIMUM ALL FLANGES IN |
| Flange Connecting Hole Diameter | 0.204 INCHES MINIMUM AND 0.208 INCHES MAXIMUM ALL FLANGES ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 1.369 INCHES MINIMUM AND 1.372 INCHES MAXIMUM ALL FLANGES IN |
| Waveguide Length | 2.505 FEET NOMINAL FT |
| Waveguide Outside Height | 0.612 INCHES MINIMUM AND 0.618 INCHES MAXIMUM IN |
| Waveguide Outside Width | 1.497 INCHES MINIMUM AND 1.503 INCHES MAXIMUM IN |
| Flange Depth | 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM ALL FLANGES IN |
| Flange Outside Width | 2.907 INCHES MINIMUM AND 2.967 INCHES MAXIMUM ALL FLANGES IN |
| Surface Treatment | SILVER SINGLE TUBING SEGMENT ALL SURFACES |
| Precious Material and Location | TUBING AND FLANGE SURFACES SILVER |
| Waveguide Inside Height | 0.484 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN |
| Material | RUBBER SINGLE TUBING JACKET |
| Material | COPPER ALLOY SINGLE TUBING SEGMENT |
| Flange Connecting Facility and Quantity | 10 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES |
| Flange Style | CONTACT TYPE ALL FLANGES |
| 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 |
|---|---|
| BN515-3001 PRIMARY | Frontgrade Technologies Inc. (USA) |
| Reference | Meaning |
|---|---|
| 51-10A1 | 5/9 Secondary reference U.S. Government activity |
| BN515-3001 | 5/9 Secondary reference U.S. Government activity |
| CG-1126/U | 5/1 Secondary reference U.S. Government activity |
NSN 5985-00-296-1748 is a Waveguide Assembly, manufactured by Frontgrade Technologies Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-296-1748 has 1 manufacturer part number on file: BN515-3001 (Frontgrade Technologies Inc.).
Key specifications for BN515-3001: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.484 INCHES MINIMUM AND 0.490 INCHES MAXIMUM ALL FLANGES IN; Flange Quantity: 2. 25 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 5985-00-296-1748 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.