The Restrictor,fluid Flow, cataloged under National Stock Number 4730-01-311-9559, 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 R & D Machine Rafael Anaya Div Defense Logistics Agency. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-311-9559 |
| Primary Part Number | 1103-1 |
| Item Name | Restrictor,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | R & D Machine Rafael Anaya Div Defense Logistics Agency |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 1103-1 PRIMARY | R & D Machine Rafael Anaya Div Defense Logistics Agency (USA) |
| 1100 ITEM 6 | R & D Machine Rafael Anaya Div Defense Logistics Agency (USA) |
NSN 4730-01-311-9559 is a Restrictor,fluid Flow, manufactured by R & D Machine Rafael Anaya Div Defense Logistics Agency, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-311-9559 has 2 manufacturer part numbers on file: 1103-1 (R & D Machine Rafael Anaya Div Defense Logistics Agency), 1100 ITEM 6 (R & D Machine Rafael Anaya Div Defense Logistics Agency).
Key specifications for 1103-1: Material: STEEL CORROSION RESISTING. 1 specification is 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.