The Coupling,tube, cataloged under National Stock Number 4730-01-641-4602, 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 Precision Aircraft Machining Company, Inc. Dba Pamco Div Precision Aircraft Machining Co Dba Pamco. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Coupling,tube |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Precision Aircraft Machining Company, Inc. Dba Pamco Div Precision Aircraft Machining Co Dba Pamco (CAGE 66774); R.g.h. Associates, Inc. Dba Richards Screw Machine (CAGE 2Y283); Aerofit, Llc (CAGE 30974); Sps Technologies, Llc Dba Airdrome Precision Components (CAGE 01673) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-641-4602 |
| Primary Part Number | JSFF28W04A050 |
| Item Name | Coupling,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Precision Aircraft Machining Company, Inc. Dba Pamco Div Precision Aircraft Machining Co Dba Pamco |
| 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 |
|---|---|
| JSFF28W04A050 PRIMARY | Precision Aircraft Machining Company, Inc. Dba Pamco Div Precision Aircraft Machining Co Dba Pamco (USA) |
| JSFF28W04A050 PRIMARY | R.g.h. Associates, Inc. Dba Richards Screw Machine (USA) |
| JSFF28W04A050 PRIMARY | Aerofit, Llc (USA) |
| JSFF28W04A050 PRIMARY | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| Reference | Meaning |
|---|---|
| JSFF28W04A050 | 5/9 Secondary reference Faber Enterprises, Inc. Div Faber Enterprise Inc |
| JSFF28W04A050 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 4730-01-641-4602 is a Coupling,tube, manufactured by Precision Aircraft Machining Company, Inc. Dba Pamco Div Precision Aircraft Machining Co Dba Pamco, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-641-4602 has 4 manufacturer part numbers on file: JSFF28W04A050 (Precision Aircraft Machining Company, Inc. Dba Pamco Div Precision Aircraft Machining Co Dba Pamco), JSFF28W04A050 (R.g.h. Associates, Inc. Dba Richards Screw Machine), JSFF28W04A050 (Aerofit, Llc), JSFF28W04A050 (Sps Technologies, Llc Dba Airdrome Precision Components).
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.