The Reducer,tube, cataloged under National Stock Number 4730-01-644-8331, 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 Sps Technologies, Llc Dba Airdrome Precision Components. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Reducer,tube |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Sps Technologies, Llc Dba Airdrome Precision Components (CAGE 01673); Faber Enterprises, Inc. Div Faber Enterprise Inc (CAGE 14397); Aerofit, Llc (CAGE 30974); Precision Aircraft Machining Company, Inc. Dba Pamco Div Precision Aircraft Machining Co Dba Pamco (CAGE 66774) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-644-8331 |
| Primary Part Number | JSFF49D0408 |
| Item Name | Reducer,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sps Technologies, Llc Dba Airdrome Precision Components |
| Status | ACTIVE |
| 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 |
|---|---|
| JSFF49D0408 PRIMARY | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| JSFF49D0408 PRIMARY | Faber Enterprises, Inc. Div Faber Enterprise Inc (USA) |
| JSFF49D0408 PRIMARY | Aerofit, Llc (USA) |
| JSFF49D0408 PRIMARY | Precision Aircraft Machining Company, Inc. Dba Pamco Div Precision Aircraft Machining Co Dba Pamco (USA) |
| Reference | Meaning |
|---|---|
| JSFF49D0408 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 4730-01-644-8331 is a Reducer,tube, manufactured by Sps Technologies, Llc Dba Airdrome Precision Components, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-644-8331 has 4 manufacturer part numbers on file: JSFF49D0408 (Sps Technologies, Llc Dba Airdrome Precision Components), JSFF49D0408 (Faber Enterprises, Inc. Div Faber Enterprise Inc), JSFF49D0408 (Aerofit, Llc), JSFF49D0408 (Precision Aircraft Machining Company, Inc. Dba Pamco Div Precision Aircraft Machining Co Dba Pamco).
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.