The Reducer,tube, cataloged under National Stock Number 4730-01-446-7884, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Foxfire Microwave Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-446-7884 |
| Primary Part Number | 229-2D-21 |
| Item Name | Reducer,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Foxfire Microwave Inc |
| Status | ACTIVE |
| Maximum Operating Temp | 150.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Surface Treatment | ANODIZE OVERALL |
| Material | COPPER ALLOY OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 229-2D-21 PRIMARY | Foxfire Microwave Inc (USA) |
| BG000088-007 | L3harris Technologies Integrated Systems L.p. Div Integrated Aerospace Systems (USA) |
| Reference | Meaning |
|---|---|
| BG000088 | 7/1 Vendor item drawing reference L3harris Technologies Integrated Systems L.p. Div Integrated Aerospace Systems |
NSN 4730-01-446-7884 is a Reducer,tube, manufactured by Foxfire Microwave Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-446-7884 has 2 manufacturer part numbers on file: 229-2D-21 (Foxfire Microwave Inc), BG000088-007 (L3harris Technologies Integrated Systems L.p. Div Integrated Aerospace Systems).
3 possible matches (shared part number, not a government interchangeability claim): 4730-01-447-0516, 4730-01-447-0519, 4730-01-448-1579. Verify interchangeability with system specifications before substitution.
Key specifications for 229-2D-21: Maximum Operating Temp: 150.0 FAHRENHEIT SINGLE RESPONSE DEGF; Special Features: NEXT ASSEMBLY ALQ172 GP A; Surface Treatment: ANODIZE OVERALL; End Item Identification: AIRCRAFT,AC-130A,AC-130H,MC-130H,EC-13 A. 3 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.